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Xylitol occurs naturally in small amounts in plums, strawberries, cauliflower, and pumpkin; humans and many other animals make trace amounts during metabolism of carbohydrates. [10] Unlike most sugar alcohols, xylitol is achiral. [12] Most other isomers of pentane-1,2,3,4,5-pentol are chiral, but xylitol has a plane of symmetry.
Sucrose (table sugar) is the prototypical example of a sweet substance. Sucrose in solution has a sweetness perception rating of 1, and other substances are rated relative to this. [ 13 ] For example, another sugar, fructose , is somewhat sweeter, being rated at 1.7 times the sweetness of sucrose. [ 13 ]
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The etymology of sugar reflects the commodity's spread. From Sanskrit śarkarā, meaning "ground or candied sugar", came Persian shakar and Arabic sukkar. The Arabic word was borrowed in Medieval Latin as succarum, whence came the 12th century French sucre and the English sugar. Sugar was introduced into Europe by the Arabs in Sicily and Spain. [4]
Sugar alcohols can be, and often are, produced from renewable resources.Particular feedstocks are starch, cellulose and hemicellulose; the main conversion technologies use H 2 as the reagent: hydrogenolysis, i.e. the cleavage of C−O single bonds, converting polymers to smaller molecules, and hydrogenation of C=O double bonds, converting sugars to sugar alcohols.
Sugarcane and bowl of sugar. This is a list of sugars and sugar products. Sugar is the generalized name for sweet, short-chain, soluble carbohydrates, many of which are used in food. They are composed of carbon, hydrogen, and oxygen. There are various types of sugar derived from different sources.
is the conjunctive form "ruin of" (خربة) of the Arabic word for "ruin" (خرب, khirba, kharab ("ruined")) All pages with titles containing Khirbet; All pages with titles containing Khirbat; All pages with titles containing Khurbet; All pages with titles containing Kharab; Ksar, qsar, plural: ksour, qsour Maghrebi Arabic; See "Qasr"
Xylitol is a naturally occurring sugar alcohol that is used in different products as an alternative to sucrose (table sugar). As of 2015 the evidence concerning the use of xylitol in chewing gum was insufficient to determine if it is effective at preventing caries. [117] [118] [119]