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They include short-chain oligosaccharide polymers of fructose and galactooligosaccharides (GOS, stachyose, raffinose), disaccharides , monosaccharides , and sugar alcohols , such as sorbitol, mannitol, xylitol, and maltitol.
Maltitol is a sugar alcohol (a polyol) used as a sugar substitute and laxative. It has 75–90% of the sweetness of sucrose (table sugar) and nearly identical properties, except for browning . It is used to replace table sugar because it is half as calorific , does not promote tooth decay, and has a somewhat lesser effect on blood glucose .
Two monosaccharides with equivalent molecular graphs (same chain length and same carbonyl position) may still be distinct stereoisomers, whose molecules differ in spatial orientation. This happens only if the molecule contains a stereogenic center , specifically a carbon atom that is chiral (connected to four distinct molecular sub-structures).
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.
There are two functionally different classes of disaccharides: Reducing disaccharides, in which one monosaccharide, the reducing sugar of the pair, still has a free hemiacetal unit that can perform as a reducing aldehyde group; lactose, maltose and cellobiose are examples of reducing disaccharides, each with one hemiacetal unit, the other occupied by the glycosidic bond, which prevents it from ...
The White House said the president wants to end a carried interest tax break prized by Wall Street hedge funds and private equity firms.
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