英语词汇“pentosan”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pentosan
释义	pentosan Biochem.\|ˈpɛntəʊsæn\| Also † -ane. [a. G. pentosan (Schulze & Tollens 1892, in Ann. d. Chem. CCLXIX. 55), after glucosan, hexosan, etc.: see pentose.] Any of the class of polysaccharides, occurring widely in plants, of which the constituent monosaccharides are pentoses. 1892Jrnl. Chem. Soc. LXII. 1420 (heading) The pentosans of woody vegetable fibre.1913Haas & Hill Introd. Chem. Plant Products ii. 51 Gums: (a) Natural gums and pentosanes (C₅H₈O₄)n. (b) Mucilages and pectic bodies.1931E. C. Miller Plant Physiol. viii. 420 The pentosans have the general formula (C₅H₈O₄)_n and occur, for the most part, in the cell walls of various plant parts.1938[see araban].1963R. R. A. Higham Handbk. Papermaking ii. 34 The presence of pentosans in wood pulps helps to produce increased fibre bonding in paper.1973R. W. Bailey in Butler & Bailey Chem. & Biochem. Herbage I. iv. 165 Hemicelluloses may be divided into two broad classes; pentosans, based largely on pentoses and non-cellulose hexosans which are pentose-free.
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