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Pentose |
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pentose [′pen‚tōs]
(biochemistry) Any one of a class of carbohydrates containing five atoms of carbon. Pentose a monosaccharide that contains five carbon atoms per molecule. In nature, pentoses do not occur in the free state but are present in various glycosides and polysaccharides that are commonly found in plants; these include arabinose and xylose. The pentoses ribose and 2-deoxyribose are constituents of nucleic acids. Nucleoside-diphosphate sugars participate in the insertion of arabinose and xylose into complex carbohydrates. Ribose in the form of ribose-5-phosphate, which takes part in the biosynthesis of nucleotides, is formed as an intermediate product in photosynthesis and in the pentose-phosphate cycle. Pentoses are converted by mineral acids into furfurol, a valuable raw material in the chemical industry. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | 6% protein and 44% sugars, comprising mostly pentoses as well as glucose and smaller amounts of galactose, mannose and fructose (Iizuka, 1986; Sugano et al. Successful utilization of cellulosic materials as a renewable carbon source is dependent on the development of economically feasible process technologies for cellulose production and for enzymatic hydrolysis of cellulosic material to low molecular weight products such as hexoses and pentoses. albicans Substrate SL407 (ATCC90028) Pentoses L-arabinose - - D-xylose - + Hexoses D-glucose + + D-galactose + + [alpha]-methyl-D-glucoside - + Disaccharides D-cellobiose - - D-lactose - - D-maltose + + D-saccharose + + D-trehalose ([dagger]) - + Trisaccharides D-melezitose - - D-raffinose - - Alcohols Glycerol + - Adonitol + + Xylitol + + Inositol - - D-sorbitol + + Organic acids 2-keto-gluconate + + Amino acids N-acetylglucosamine + + Identification C. |
Pentoses |
pentosan pentosan Pentosan polysulfate Pentosan polysulfate sodium Pentosan polysulphate pentosans pentosans pentosans pentose pentose pentose Pentose and glucuronate interconversions Pentose and glucuronate interconversions Pentose and glucuronate interconversions pentose cycle pentose cycle pentose cycle Pentose interconversion Pentose interconversion Pentose interconversion Pentose interconversions Pentose interconversions Pentose interconversions Pentose Phosphate Metabolizing Enzyme pentose phosphate pathway pentose phosphate pathway pentose phosphate pathway pentose phosphate pathway pentose phosphate pathway Pentose-Phosphate Cycle Pentoses pentosidePentostatin pentosuria pentosuria Pentothal Pentothal Pentothal Pentothal sodium Pentothal sodium Pentothal sodium pentoxide pentoxide pentoxides pentoxides pentoxifylline pentoxifylline Pentoxil Pentoxil PENTOXSD Pentoxyverine PENTR PENTRAN Pentremite Pentremites Pentrite Pentritre Pentroof Pentrough Pentru Cultura Ta Generala Pentstemon | |||||||
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