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These specific monosaccharide names have conventional three-letter abbreviations, like "Glu" for glucose and "Thr" for threose. Generally, a monosaccharide with n asymmetrical carbons has 2 n stereoisomers. The number of open chain stereoisomers for an aldose monosaccharide is larger by one than that of a ketose monosaccharide of the same length.
The monosaccharides can be divided into two groups: the aldoses, which have an aldehyde group, and the ketoses, which have a ketone group. Ketoses must first tautomerize to aldoses before they can act as reducing sugars. The common dietary monosaccharides galactose, glucose and fructose are all reducing sugars.
A diose is a monosaccharide containing two carbon atoms. Because the general chemical formula of an unmodified monosaccharide is (C·H 2 O) n, where n is three or greater, it does not meet the formal definition of a monosaccharide. [1] However, since it does fit the formula (C·H 2 O) n, it is sometimes thought of as the most basic sugar. [2]
Monosaccharides are also called "simple sugars", the most important being glucose. Most monosaccharides have a formula that conforms to C n H 2n O n with n between 3 and 7 (deoxyribose being an exception). Glucose has the molecular formula C 6 H 12 O 6. The names of typical sugars end with -ose, as in "glucose" and "fructose".
The glycoside bond is represented by the central oxygen atom, which holds the two monosaccharide units together. Monosaccharides can be linked together by glycosidic bonds, which can be cleaved by hydrolysis. Two, three, several or many monosaccharides thus linked form disaccharides, trisaccharides, oligosaccharides, or polysaccharides ...
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A heteropolysaccharide is a polymer containing more than one kind of monosaccharide residue. [3] The parent chain contains only one type of monosaccharide and should be listed last with the ending “-an”, and the other types of monosaccharides listed in alphabetical order as “glyco-” prefixes. [3]
At best, it looks like a bunch of students who don’t know each other who are asked to hang out and drink water together for an hour,” he explained. The “groundbreaking findings,” Kilmer ...