Sugar

Small quantities of sugar, especially speciality grades of sugar, are sold as 'fair trade' commodities; these products are produced and sold with the understanding that a larger-than-usual fraction of the revenue supports small farmers in the developing world. . In philosophy, theoreticism refers to the overuse of theory. The African, Caribbean, Pacific and Least developed country sugar exporters have reacted with dismay to the EU sugar proposals, arguing for a fairer reform of the EU regime which would be pro-development and meaningful towards the achievement of the Millennium Development Goals. . In the humanities, theory is often used as an abbreviation for critical theory or literary theory, referring to continental philosophy's aesthetics or its attempts to understand the structure of society and to conceptualize alternatives. In response, the European Commission proposed on 22 June 2005 to radically reform the EU sugar regime, cutting prices by 39% and eliminating all EU sugar exports. Theories exist not only in the so-called hard sciences; but in all fields of academic study, from philosophy to music to literature. In 2004, the WTO sided with a group of cane sugar exporting nations led by Brazil, and ruled that the EU sugar regime and the accompanying ACP-EU Sugar Protocol, whereby a group of African, Caribbean, and Pacific countries are given preferential access to the European sugar market, are illegal. This sets a fundamental limit to the applicability of any mathematical system.

While both the European Union and United States maintain trade agreements whereby certain developing and least-developed countries (LDCs) can sell certain quantities of sugar into their markets, free of the usual import tariffs, countries outside these preferred trade regimes have complained that these arrangements violate the "most favored nation" principle of international trade. . However, Gödel's incompleteness theorem shows that no consistent theory capable of defining the concept of natural numbers can derive all true statements about those numbers. In international trade bodies, especially the World Trade Organization, the "G20" countries led by Brazil have argued that because their cane sugar exports are essentially excluded from these sugar markets, they receive lower prices than they would under free trade. Obvious examples include arithmetic (abstracting the concept of number), geometry (the concept of space), and probability (the concept of randomness). . The resulting theorems often provide solutions to real-world problems which correspond to the original abstraction. In recent years, sugar prices in these countries have been three times the price on the international market. A typical theory will present certain axioms and rules, corresponding to a useful or interesting abstraction, and then derive non-obvious theorems from those axioms.

The European Union, the United States, and Japan all maintain elevated price floors for sugar through subsidizing domestic production and imposing high tariffs on imports. A theory in this sense is a set of statements closed under certain rules of inference. In many industrialized countries, sugar is among the most heavily subsidized agricultural products. The term "theory" also has a formal usage in mathematics, particularly in mathematical logic and model theory. On average Americans eat or drink 5 pounds of sugar a month, drastically higher than 10 years ago due to the fact that sugar is in many foods under many different names. . Examples include group theory, set theory, Lebesgue integration theory and field theory. Others believe that the hyperactive effects of sugar can be seen equally in children and adults. This knowledge consists of axioms, definitions, theorems and computational techniques, all related in some way by tradition or practice.

The belief in the possibility of a sugar-high among parents and teachers may cause them to perceive children being more energetic and excited after consumption of sweets and sugary beverages through observer bias. . In mathematics, the word theory is used informally to refer to certain distinct bodies of knowledge about mathematics. Recent studies have not shown a link between the consumption of sugar and hyperactivity levels, even when the researchers focused on children with a presumed "sugar-sensitivity" [4]. One can sum up all this by saying that the criterion of the scientific status of a theory is its falsifiability, or refutability, or testability."--end quote. There is common belief among the general public that eating too much sugar (not only sucrose, but other varieties such as glucose) will cause some children to become hyperactive—giving rise to the term "sugar high" or "sugar buzz". (I later described such a rescuing operation as a "conventionalist twist" or a "conventionalist stratagem."). As stated in the Diabetes in America, 2nd Edition [3] more and more children at younger ages are becoming victims of this deadly disease. . Such a procedure is always possible, but it rescues the theory from refutation only at the price of destroying, or at least lowering, its scientific status.

In the United States sugar has also been attributed as a leading cause of diabetes and obesity. Some genuinely testable theories, when found to be false, are still upheld by their admirers — for example by introducing ad hoc some auxiliary assumption, or by reinterpreting the theory ad hoc in such a way that it escapes refutation. There is an on-going argument as to the value of extrinsic sugar (sugar added to food) compared to that of intrinsic sugar (sugar, seldom sucrose, naturally present in food). . 7. However, the Sugar Association[2] of the US insists that other evidence indicates that a quarter of our food and drink intake can safely consist of sugar. (I now speak in such cases of "corroborating evidence."). It stated that sugar should not account for more than 10% of a healthy diet. Confirming evidence should not count except when it is the result of a genuine test of the theory; and this means that it can be presented as a serious but unsuccessful attempt to falsify the theory.

agencies, the World Health Organization (WHO) and the Food and Agriculture Organization (FAO), compiled by a panel of 30 international experts. 6. In 2003, a report was commissioned by four U.N. Testability is falsifiability; but there are degrees of testability: some theories are more testable, more exposed to refutation, than others; they take, as it were, greater risks. The process of separating the sugar from the molasses also received mechanical attention: the centrifuge was first applied to this task by David Weston in Hawaii in 1852. . Every genuine test of a theory is an attempt to falsify it, or to refute it. Today, multiple-effect evaporators are employed widely in many industries for evaporating water. . 5.

The vapors from each pan were used to heat the next, and little heat wasted. Irrefutability is not a virtue of a theory (as people often think) but a vice. This system consisted of a series of vacuum pans, each held at a lower pressure than the previous. A theory which is not refutable by any conceivable event is non-scientific. Further gains in fuel efficiency were achieved through the multiple-effect evaporator, designed by the African-American engineer Norbert Rillieux perhaps as early as the 1820s, although the first working model was not built until 1845. 4. At reduced pressure, water boils at a lower temperature, and this development both saved fuel and reduced the amount of sugar lost through caramelization. The more a theory forbids, the better it is.

In 1813, the British chemist Edward Charles Howard invented a sugar refining method in which the cane juice was boiled not in an open kettle, but in a closed vessel heated by steam and held under partial vacuum. Every "good" scientific theory is a prohibition: it forbids certain things to happen. The steam engine was first used to power a sugar mill in Jamaica in 1768, and soon thereafter, steam replaced direct firing as the source of process heat. . 3. Beginning in the late 18th century, sugar production became increasingly mechanized. Confirmations should count only if they are the result of risky predictions; that is to say, if, unenlightened by the theory in question, we should have expected an event which was incompatible with the theory — an event which would have refuted the theory. A large beet refinery producing around 1,500 tonnes of sugar a day needs a permanent workforce of about 150 for 24 hour production. . 2.

In the developed countries, the sugar industry is machine reliant, with a low requirement for manpower. It is easy to obtain confirmations, or verifications, for nearly every theory — if we look for confirmations. Cuba was a large producer of sugar in the 20th century until the collapse of the Soviet Union took away their export market and the industry collapsed. . 1. While it is no longer grown by slaves, sugar growing in developing countries continues to this day to be associated with workers earning minimal wages and living in extreme poverty. Karl Popper described the characteristics of a scientific theory as:. The beet sugar industry that emerged in its place grew, and today, beet sugar enjoys approximately 30% of world sugar production. . The fewer which are matched, the less scientific it is; those that meet only several or none at all, cannot be said to be scientific in any meaningful sense of the word.

Napoleon, cut off from Caribbean imports by a British blockade and at any rate not wanting to fund British merchants, banned sugar imports in 1813. Theories considered scientific meet at least most, but ideally all, of the above criteria. While never profitable, this plant operated from 1801 until being destroyed during the Napoleonic Wars. . This is true of such established theories as special and general relativity, quantum mechanics, plate tectonics, evolution, etc. This discovery remained a mere curiosity for some time, but eventually his student Franz Achard built a sugarbeet processing factory at Cunern in Silesia, under the patronage of Frederick William III of Prussia. In science, a body of descriptions of knowledge is usually only called a theory once it has a firm empirical basis, i.e., it. In 1747 the German chemist Andreas Marggraf identified sucrose in beet root. This falsification, though, did not necessarily mean that only one alternative theory was necessarily the "correct" replacement — both the Copernican system and the Tychonic system predicted the phases of Venus.

Production spread to South America as well as to new European colonies in Africa and the Pacific. . Evidence, in the form of Galileo's observation of the phases of Venus in 1610, was produced which was completely incompatible with the predictions set forth by the theory. After the world's only successful slave revolution established the independent nation of Haiti, sugar production in that country declined and Cuba replaced Saint-Domingue as the world's largest producer. A canonical example of a disproved theory is the geocentric model of the universe proposed by Ptolemy. All these things increased their production and production rate. . A law is a general statement based on observations. They had been introduced to modern milling methods such as water mills, enclosed furnaces, steam engines, and vacuum pans. Theories and laws are not rungs in a ladder of truth, but different sets of data.

Cuba also prospered above other islands because they used better methods when harvesting the sugar crops. This, however, rests on a mistaken assumption of what theories and laws are. Instead, nearly three-quarters of its land formed a rolling plain which was ideal for planting crops. Some scientific theories (such as the theory of gravity) are so widely accepted that they are often seen as laws. For example, it was in this century that Cuba rose as the richest land in the Caribbean (with sugar being its dominant crop) because it was the only major island that was free of mountainous terrain. In scientific theories, this then leads to research, in combination with auxiliary and other hypotheses (see scientific method), which may then eventually lead to a theory. Sugar cane quickly exhausts the soil and larger islands with fresher soil were pressed into production in the nineteenth century. Theories start out with empirical observations such as "sometimes water turns into ice." At some point, there is a need or curiosity to find out why this is, which leads to a theoretical/scientific phase.

. Instead, theories remain standing until they are disproved, at which point they are thrown out altogether or modified to fit the additional data. Sugar was commonly sold in solid cones and required a sugar nip, a pliers-like tool, to break off pieces. In science, a theory is not considered fact or infallible, because we can never assume we know all there is to know. At first most sugar in Britain was used in tea, but later candies and chocolates became extremely popular. A theory is an established paradigm that explains all or much of the data we have and offers valid predictions that can be tested. What had previously been a luxury good began, by the eighteenth century, to be commonly consumed by all levels of society. But in science and generally in academic usage, a theory is much more than that.

As Europeans established sugar plantations on these larger Caribbean islands, prices fell, especially in Britain. As noted above, in common usage a theory is defined as little more than a guess or a hypothesis. Sugar was a highly desired product, and the islands knew exactly how to take advantage of the situation. . The process of accepting theories, or of extending existing theory, is part of the scientific method. Despite these and other improvements, the prices of sugar reached soaring heights, especially during events such as the revolt against the Dutch and the Napoleonic wars. Theories are more likely to be accepted if they connect a wide range of phenomena. They also developed more advanced mills and began using better types of sugar cane. Theories which are simpler, and more mathematically elegant, tend to be accepted over theories which are complex.

For example, they began using more animal manure when growing their crops. Theories can become accepted if they are able to make correct predictions and avoid incorrect ones. Planters later began developing ways to boost production even more. A theory is also different from a physical law in that the latter is a model of reality, whereas the former is an explanatory statement of what has been observed, explaining the why and how of the observed physical law. For instance, Barbados and the British Leewards can be said to have been the most successful in the production of sugar because it counted for ninety-three and ninety-seven percent of the island’s exports, respectively. . The latter is a statement of mathematical fact which logically follows from a set of axioms. Of course some islands were more successful than others when it came to producing the product. The former is a model of physical events and cannot be proved from basic axioms.

In fact, they produced up to ninety percent of the sugar that the western Europeans consumed. A theory is different from a theorem. Reacting to this increasing craze, the islands took advantage of the situation and began harvesting sugar in extreme amounts. Most theory evolves from hypotheses, but the reverse is not true: many hypotheses turn out to be false and so do not evolve into theory. For example, they began consuming jams, candy, tea, coffee, cocoa, processed foods, and other sweet victuals in much greater numbers. There are two uses of the word theory; a supposition which is not backed by observation is known as a conjecture, and if backed by observation it is a hypothesis. The main reason for the heightened demand and production of sugar was a great change in the eating habits of many Europeans. In engineering practise, to avoid confusion with a physical model (e.g., the winged rockets built by Convair to test the Whitcomb area rule for the F-106 supersonic aircraft), the above are called "mathematical models".

During the eighteenth century, sugar became enormously popular and went through a series of booms. So one can see how a theory is a model of reality that explains certain scientific facts yet may not be a true picture of reality and another more accurate theory can later replace the previous model. Jamaica was another major producer in the 1700s. . Mathematical calculations could be made for the prediction of where the planets would be to a great degree of accuracy, so that this model of the planetary system survived over 1500 years until the time of Copernicus. The largest sugar producer in the world, by 1750, was the French colony known as Saint-Domingue, which is today the independent country of Haiti. This could actually be built into a literal model and illustrated as a model. Thus the economies of entire islands such as Guadaloupe and Barbados were based on sugar production. Retrograde motion of the planets was explained by smaller circular orbits of individual planets.

Sugar cane could be grown on these islands using slave labour at vastly lower prices than cane sugar imported from the East. In Ptolemy's planetary model, the earth was at the center, the planets and the sun made circular orbits around the earth, and the stars were on a sphere outside of the orbits of the planet and the earth. With the European colonization of the Americas, the Caribbean became the world's largest source of sugar. The Greeks formulated theories that were recorded by the astronomer Ptolemy. Local Native Americans had been reduced by European diseases like smallpox. . An example of how theories are models can be seen from theories on the planetary system. European indentured servants were in shorter supply, susceptible to disease and a less economic investment. Therefore, the model created in his theory is based on the assumption that light maintains a constant velocity (or more precisely the speed of light is a constant).

African slaves became the dominant plantation worker as they were resistant to the diseases of malaria and yellow fever. He assumed that both of these were correct and formulated his theory based on these assumptions by simply altering the Galilean transformation to accommodate the lack of addition of velocities with regard to the speed of light. Sugar production also increased in the American Colonies, Cuba, and Brazil. that the "addition of velocities" is valid (Galilean transformation) and that light did not appear to have an "addition of velocities" (Michelson-Morley experiment). Price declined slowly as production became multi-sourced especially through British colonial policy. He took two phenomena that had been observed i.e. In the years 1625 to 1750, sugar was worth its weight in gold. An example of using assumptions to formulate a theory is when Albert Einstein put forth his Special Theory of Relativity.

After 1625, the Dutch carried sugarcane from South America to the Caribbean islands from Barbados to the Virgin Islands. Since we must start somewhere, we must have assumptions, but at least let us have as few assumptions as possible." (See Ockham's razor). Sugar mill construction is the missing link of the technological skills needed for the Industrial Revolution that is recognized as beginning in the first part of the 1600s. . On the other hand, it seems obvious that assumptions are the weak points in any argument, as they have to be accepted on faith in a philosophy of science that prides itself on its rationalism. Specialist trades in mold making and iron casting were inevitably created in Europe by the expansion of sugar. (If there were, it would no longer be an assumption.) It is better to consider assumptions as either useful or useless, depending on whether deductions made from them corresponded to reality. Approximately 3000 small mills built before 1550 in the New World created an unprecedented demand for cast iron gears, levers, axles and other implements. An assumption according to Asimov is "something accepted without proof, and it is incorrect to speak of an assumption as either true or false, since there is no way of proving it to be either.

Hans Staden, published in 1555, writes that by 1540 there were 800 sugar mills on Santa Catalina Island and another 2000 up the north coast of Brazil, Demarara and Surinam. Arguments or theories always begin with some premises - "arbitrary elements" as Hawking calls them (see above), which are here described as "assumptions". The Portuguese took sugar to Brazil. In Understanding Physics, Asimov spoke of theories as "arguments" where one deduces a "scheme" or model. When he finally sailed she gave him cuttings of sugarcane, the first to reach the New World. . This is a view shared by Isaac Asimov. He stayed a month. On the other hand, you can disprove a theory by finding even a single repeatable observation that disagrees with the predictions of the theory.".

Columbus became romantically involved with the Governor of the Island, Beatrice. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory. In 1493, Christopher Columbus stopped, intending to stay only four days, at Gomera in the Canary Islands, for wine and water. According to Stephen Hawking in A Brief History of Time, "a theory is a good theory if it satisfies two requirements: It must accurately describe a large class of observations on the basis of a model that contains only a few arbitrary elements, and it must make definite predictions about the results of future observations." He goes on to state, "any physical theory is always provisional, in the sense that it is only a hypothesis; you can never prove it. . A theory makes generalizations about observations and consists of an interrelated, coherent set of ideas and models. In the 1420s, sugar was carried to the Canary Islands, Madeira and the Azores. In many instances, this is seen to be the construction of models of reality.

This permitted economic expansion of sugar plantations to Andalusia and the Algarve. inanimate things, events, or the behaviour of animals). In the 1390s, a better press, which doubled the juice obtained from the cane, was developed. Humans construct theories in order to explain, predict and master phenomena (e.g. While sugar cane could not be grown in northern Europe, sugar could be extracted from certain beets and these began to be widely cultivated around 1801, after the British control of the seas during the Napoleonic wars isolated mainland Europe from the Caribbean. . Yet a California Academy of Sciences exhibit on fossils included this line: "Scientists have a number of theories about why ammonites develop spines on their shells" (emphasis added; from Morrison, 2005). Crusaders also brought sugar home with them after their campaigns in the Holy Land, as there they encountered caravans carrying this "sweet salt" as it was called. Even scientists tend to use the now common definition in everyday speech and writing, being more careful in published material.

It arrived in Europe with the arrival of the Moors. 39):. Later sugar spread to other areas of the world through trade. In everyday English, a theory is (Morrison, 2005, p. Similarly, the Chinese term for table sugar is "gravel sugar" (Traditional Chinese:砂糖)。 . This change can be seen in modern dictionaries which now list theory as a "guess or hunch" in preference to the former scientific definition that used to be the dominant one. The Sanskrit word for sugar (sharkara), also means gravel. Most troublesome for the scientific community is the fact that, in common speech, theory has almost the opposite meaning from its use in the sciences.

In early refining methods, the cane was ground or pounded to extract the juice, and the juice then boiled down or dried in the sun to yield sugary solids that resembled gravel. A hypothesis, however, is still vastly more reliable than a conjecture, which is at best an untested guess consistent with selected data and often simply a belief based on non-repeatable experiments, anecdotes, popular opinion, "wisdom of the ancients," commercial motivation, or mysticism. Sugar refining was developed in the Middle East, India and China, where it became a staple of cooking and desserts. Unfortunately, usage of the term theory is muddled by scientists in such examples as string theory and various theories of everything, which are more correctly characterized at present as a bundle of competing hypotheses or a protoscience. Originally, the cane was chewed raw to extract its sweetness. For a given body of theory to be considered part of established scientific knowledge, it is usually necessary for it to characterize a critical experiment, namely an experimental result not predicted by any existing established theory. Nearchos, one of Alexander the Great's commanders, described it as "a reed that gives honey without bees." . Conversely, at any time in the study of physics there can also be confirmed experimental results that are not yet explained by theory.

Westerners discovered sugarcane in the course of military expeditions into India. It is not uncommon in the history of physics for theory to produce predictions that are later confirmed by experiment; failed predictions, however, also occur, and sometimes work to falsify a theory. By 200 B.C., it was being grown in China as well. For example, until recently, black holes were considered theoretical. In the course of prehistory, its culture spread throughout the Pacific Islands and into India. The term theoretical is used in science to describe a result that is predicted by theory but has not yet been observed. Sugarcane is a tropical grass, probably native to New Guinea. This theory is usually taken to be synonymous with classical electromagnetism.

Making sugar by evaporating cane juice was developed in India about 500 BC. A good example is electromagnetic theory, which encompasses the results that can be derived from Maxwell's equations. This resulting syrup is sweeter than the original sucrose, and is useful for making confections sweeter and softer in texture. . In physics, the term theory is generally used for a mathematical framework derived from a small set of basic principles, capable of producing experimental predictions for a given category of physical systems. Sucrose can be converted by hydrolysis into a syrup of fructose and glucose, producing what is called invert sugar. In this sense, a theory is a systematic and formalized expression of all previous observations made that is predictive, logical, testable, and has never been falsified. The formula of these disaccharides is C₁₂H₂₂O₁₁. . In various sciences, a theory is a logically self-consistent model or framework for describing the behavior of a certain natural or social phenomenon, thus either originating from or supported by experimental evidence (see scientific method).

As far as disaccharides are concerned, the most common are sucrose (cane or beet sugar - made from one glucose and one fructose), lactose (milk sugar - made from one glucose and one galactose) and maltose (made of two glucoses). The "theory of global warming" refers instead to scientific work that attempts to explain how and why this could be happening. Simple sugars include sucrose, fructose, glucose, galactose, maltose, lactose and mannose. For example, "global warming" refers to the observation that worldwide temperatures seem to be increasing. The term "glyco-" indicates the presence of a sugar in an otherwise non-carbohydrate substance: for example, a glycoprotein is a protein to which one or more sugars are connected. . Theories are typically ways of explaining why things happen, often, but not always after their occurrence is no longer in scientific dispute. After digestion and absorption the principal monosaccharides present in the blood and internal tissues are: glucose, fructose, and galactose. . A theory is in this context a set of hypotheses that are logically bound together (See also hypothetico-deductive method).

Glycosidic bonds must be hydrolysed or otherwise broken by enzymes before such compounds can be used in metabolism. All scientific understanding takes the form of hypotheses, or conjectures. Monosaccharides in a closed-chain form can form glycosidic bonds with other monosaccharides, creating disaccharides, such as sucrose, and polysaccharides such as starch. Scientific theories are never proven to be true, but can be disproven. Glucose in solution exists mostly in the ring form at equilibrium, with less than 0.1% of the molecules in the open-chain form. . In scientific usage, a theory does not mean an unsubstantiated guess or hunch, as it often does in other contexts. In these closed-chain forms the aldehyde or ketone group is not free, so many of the reactions typical of these groups cannot occur. The term ‘theoria’ (a noun) was already used by the scholars of ancient Greeks.

Many pentoses and hexoses are capable of forming ring structures. According to some sources, it was used frequently in terms of ‘looking at’ a theatre stage, which may explain why sometimes the word ‘theory’ is used as something provisional or not completely resembling real. Through photosynthesis plants produce glucose which is then converted for storage as an energy reserve in the form of other carbohydrates such as starch, or as in cane and beet as sucrose. . The word ‘theory’ derives from the Greek ‘theorein’, which means ‘to look at’. Hexoses (6 carbon sugars) include glucose which is a universal substrate for the production of energy in the form of ATP. . Ribose is also a component of several chemicals that are important to the metabolic process, including NADH and ATP. Theory has a number of distinct meanings in different fields of knowledge, depending on the context and their methodologies.

Pentoses ( 5 carbon sugars) include ribose and deoxyribose, which are present in nucleic acids. Other: Obsolete scientific theories - Phlogiston theory. Derivatives of trioses (C₃H₆O₃) are intermediates in glycolysis. Statistics : Extreme value theory. As well as being classified by their reactive group, sugars are also classified by the number of carbons they contain. Sociology: Social theory - Critical social theory - Value theory. A notable exception is deoxyribose, which as the name suggests is "missing" an oxygen. Planetary science: Giant impact theory.

Most sugars conform to (CH₂O)_n where n is between 3 and 7. Physics: Theory of relativity - Special relativity - General relativity - Quantum field theory - Acoustic theory - Antenna theory. Sugars contain either aldehyde groups (-CHO) or ketone groups (C=O), where there are carbon-oxygen double bonds, making the sugars reactive. Philosophy: Speculative reason. These include monosaccharides and disaccharides, trisaccharides and the oligosaccharides; these being sugars composed of 1, 2, 3 or more units. Music: Music theory. In biochemistry, a sugar is the simplest molecule that can be identified as a carbohydrate. Mathematics: Axiomatic set theory - Catastrophe theory - Chaos theory - Graph theory - Number theory - Probability theory.

They are also prone to hardening if exposed to the atmosphere although this is reversible. . Literature: Literary theory. Their color and taste become stronger with increasing molasses content, as does their moisture retaining properties. Humanities: Critical theory. Brown sugars are obtained in the late stages of sugar refining, when sugar forms fine crystals with significant molasses content, or by coating white refined sugar with a cane molasses syrup. Geology: Continental drift - Plate tectonics. There are also sugar cubes for convenient consumption of a normal amount. . Games: Rational choice theory - Game theory.

Granulated sugar is available in various crystal sizes, for home and industrial use depending on the application: . Engineering: Circuit theory - Control theory - Signal theory - Systems theory. . Computer science: Algorithmic information theory - Computation theory. White refined sugar is typically sold as granulated sugar, which has been dried to prevent clumping. Climatology: Global warming. Beet sugar refineries produce refined white sugar directly without an intermediate raw stage. Chemistry: Atomic theory - Kinetic theory of gases.

It is then further decolorized by filtration through a bed of activated carbon or bone char depending on where the processing takes place. Biology: Evolution by natural selection - Cell theory. Refined sugar can be made by dissolving raw sugar and purifying it with a phosphoric acid method similar to that used for blanco directo, a carbonatation process involving calcium hydroxide and carbon dioxide, or by various filtration strategies. is the most parsimonious explanation, sparing in proposed entities or explanations, commonly referred to as passing Ockham's razor. White refined sugar is the most common form of sugar in North America and Europe. is tentative, correctable and dynamic, in allowing for changes to be made as new data is discovered, rather than asserting certainty, and. In terms of sucrose purity, blanco directo is more pure than mill white, but less pure than white refined sugar. . makes predictions that might someday be used to disprove the theory,.

In producing blanco directo, many impurities are precipitated out of the cane juice by using phosphatation a treatment with phosphoric acid and calcium hydroxide similar to the carbonatation technique used in beet sugar refining. is supported by many strands of evidence rather than a single foundation, ensuring that it probably is a good approximation if not totally correct,. Blanco directo is a white sugar common in India and other south Asian countries. is consistent with pre-existing theory to the extent that the pre-existing theory was experimentally verified, though it will often show pre-existing theory to be wrong in an exact sense,. This is the most common form of sugar in sugarcane growing areas, but does not store or ship well; after a few weeks, its impurities tend to promote discoloration and clumping. . Mill white sugar, also called plantation white, crystal sugar, or superior sugar, is raw sugar whose colored impurities have not been removed, but rather bleached white by exposure to sulfur dioxide.

The resulting sugar cakes or loaves are called jaggery or gur in India, pingbian tong in China, and panela, panocha, pile, and piloncillo in various parts of Latin America. . Raw sugar is sometimes prepared as loaves rather than as a crystalline powder: in this technique, sugar and molasses are poured together into molds and allowed to dry. Mauritius and Malawi are significant exporters of such specialty sugars. Types of raw sugar available as a specialty item outside the tropics include demerara, muscovado, and turbinado.

Raw sugars are produced in the processing of sugar beet juice but only as intermediates en route to white sugar. Raw sugars are yellow to brown sugars made from clarified cane juice boiled down to a crystalline solid with minimal chemical processing. Cane and beet pulp can be burnt for fuel, but beet pulp is generally dried, pelleted and used as an animal feedstuff. . While cane molasses can be used as an ingredient, molasses from sugar beet is unpalatable and generally used for industrial fermentation or as animal feedstuff.

The residues of sugar production differ substantially and from place to place. Testing for impurities can distinguish the two, and these have been developed to reduce fraudulent abuse of EU subsidies, and also aid detection of adulteration of fruit juice. . There is little perceptible difference between sugar produced from beet and that from cane. The white sugar produced is sieved into different grades for selling. .

Liquid from which no more sugar can be economically removed is lost from the process as molasses and used in cattle food. . The sugar crystals are removed by a centrifuge and the liquid recycled in the crystalliser stages. The sugar is extracted by controlled crystallisation. After filtration the juice is concentrated by evaporation to a content of about 70% solids.

Impurities are precipitated with an alkaline solution "milk of lime" and carbon dioxide from the lime kiln. The washed beet is sliced, and the sugar extracted with hot water in a 'diffuser'. This processing may be carried out in another factory in another country. . The resultant sugar is then either sold as is for use or processed further to produce lighter grades.

It is usual to remove the uncrystallised syrup with a centrifuge. The heat is removed and the liquid crystallises, usually while being stirred, to produce sugar crystals. The juice is then boiled, sediment settles to the bottom and can be dredged out, scum rises to the surface and this is skimmed off. The liquid is then treated (often with lime) to remove impurities, this is then neutralized with sulfur dioxide.

The harvested vegetable material is crushed, and the juice is collected and filtered. In combination with artificial sweeteners, drink manufacturers can produce very low cost products. . The sugar market is also under attack from the cheap prices of glucose syrups produced from wheat and corn (maize). .

sets high sugar prices to support its producers with the effect that many sugar consumers have switched to corn syrup (beverage manufacturers) or moved out of the country (candy makers). The U.S. These subsidies and a high import tariff make it difficult for other countries to export to the EU states, or compete with it on world markets. Part of this is "quota" sugar which is subsidised from industry levies, the remainder (approx half) is "C quota" sugar which is sold at market price without subsidy.

Excess production quota is exported (approx 5 million tonnes in 2003). The Common Agricultural Policy of the EU sets maximum quotas for members production to match supply and demand, and a price. The world's second largest sugar exporter is the EU. The duration of harvesting and processing is influenced by the availability of processing plant capacity, and weather - harvested beet can be laid up until processed but frost damaged beet becomes effectively unprocessable. .

Harvesting and processing continues until March in some cases. The beet growing season ends with the start of harvesting around September. The sugar beet regions are in cooler climates: North West and Eastern Europe, Northern Japan, plus some areas in the United States including California. The greatest quantity of sugar is produced in Latin America, the United States and the Caribbean nations, and in the Far East. .

In 2001/2002 there was over twice as much sugar produced in developing countries as in developed countries. The major cane sugar producing countries are countries with warm climates, such as Brazil, India, China and Australia (in descending order). In the financial year 2001/2002, 134.1 million tonnes of sugar were produced worldwide. . Some minor commercial sugar crops include the date palm (Phoenix dactylifera), sorghum (Sorghum vulgare), and the sugar maple (Acer saccharum).

The most important two sugar crops are sugarcane (Saccharum spp.) and sugar beets (Beta vulgaris), in which sugar can account for 12%–20% of the plant's dry weight. Table sugar or sucrose is extracted from plant sources. [1] . It was first cultivated in Brazil 1532 by the Portuguese.

The Spanish began cultivating sugar cane in the West Indies in 1506, and in Cuba in 1523. Only after the Crusades did it begin to rival honey as the sweetener in Europe. Alexander the Great's companions reported seeing "honey produced without the intervention of bees" and it remained exotic in Europe until the Arabs started cultivating it in Sicily and Spain. Sugar was first produced in India.

. In precise culinary terms, sugar is a type of food associated with one of the primary taste sensations, that of sweetness. . For information on the other sugars, see monosaccharide and disaccharide. . A sugar is denoted by any word on the ingredient list that ends with "ose". .

The "simple" sugars, or monosaccharides, such as glucose, are a store of energy which is used by biological cells. The word sugar originates from the Sanskrit word sharkara (शर्करा) which means "sugar" or "pebble." . Table sugar is commercially extracted from either sugar cane or sugar beet. It is the most commonly used sugar for altering the flavor and properties (such as mouthfeel, preservation, and texture) of beverages and food.

In general use, "sugar" is taken to mean sucrose, also called "table sugar" or saccharose, a disaccharide which is a white crystalline solid. "The Myth of the Sugar Buzz" article from Skepticism.Net . "Sugar Buzz, Fiber Know-How" article from WebMD . Sugar statistics .

US Sugar Import Program . WTO ruling on EU sugar regime . European Union sugar regime proposals . Sugar Traders Association of the UK .

African, Caribbean and Pacific sugar exporters . Least Developed Countries sugar site . Wide range of information about sugars, from the Canadian Sugar Institute, a non-profit trade association of Canada's refined sugar manufacturers. . Sugar Accelerates Aging .

Expert Report on diet and chronic disease (WHO/FAO) . Cook's Thesaurus: Sugar (www.foodsubs.com) . The word "sugar" in more than 220 languages. . Plant Cultures: botany, history and uses of sugar cane .

A C Hannah, The International Sugar Trade, ISBN 1855730693 . sugar plantations in the Caribbean . golden syrup . Sugar substitute .

glycomics . holing cane . Stevia Herb many times sweeter than pure sugar . caramel .

A small amount of anti-caking agent to prevent clumping may be added, this is either cornstarch (1%-3%) or tri-calcium phosphate. . Powdered sugar, confectioner's sugar (0.060 mm), or icing sugar (0.024 mm), are produced by grinding sugar to a fine powder. Finest grades