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Note that, in this nomenclature, mirror-image isomers differ only in the ' D '/' L ' prefix, even though all their hydroxyls are reversed. The following tables shows the Fischer projections of selected monosaccharides (in open-chain form), with their conventional names. The table shows all aldoses with 3 to 6 carbon atoms, and a few ketoses.
Monosaccharides are the simplest units of carbohydrates and the simplest form of sugar. If the carbonyl is at position 1 (that is, n or m is zero), the molecule begins with a formyl group H(C=O)− and is technically an aldehyde. In that case, the compound is termed an aldose.
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Monosaccharide color code in the Symbol Nomenclature For Glycans (SNFG) The Symbol Nomenclature For Glycans ( SNFG ) [ 1 ] is a community-curated standard for the depiction of simple monosaccharides and complex carbohydrates ( glycans ) using various colored-coded, geometric shapes, along with defined text additions.
monosaccharide Any of a class of organic compounds which are the simplest forms of carbohydrates and the most basic structural subunits or monomers from which larger carbohydrate polymers such as disaccharides, oligosaccharides, and polysaccharides are built. With few exceptions, all monosaccharides are variations on the empirical formula (CH 2 O)
Glyceraldehyde (glyceral) is a triose monosaccharide with chemical formula C 3 H 6 O 3. It is the simplest of all common aldoses . It is a sweet , colorless, crystalline solid that is an intermediate compound in carbohydrate metabolism .
Monosaccharides are carbohydrates in the form of simple sugars. Like disaccharides , they are sweet, water soluble and crystalline . The main article for this category is Monosaccharides .
An oligosaccharide has both a reducing and a non-reducing end. The reducing end of an oligosaccharide is the monosaccharide residue with hemiacetal functionality, thereby capable of reducing the Tollens’ reagent, while the non-reducing end is the monosaccharide residue in acetal form, thus incapable of reducing the Tollens’ reagent. [2]