英语词汇“dextran”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	dextran
释义	dex·tran \ˈdekˌstran, -_strən\ noun (-s) Etymology: International Scientific Vocabulary dextr- + -an : any of numerous polysaccharides (C₆H₁₀O₅)_n that yield only glucose on hydrolysis but differ otherwise from starch and glycogen (as in molecular structure): as a. : any such polysaccharide of very high molecular weight usually obtained by fermentation of sugar with bacteria of the genus Leuconostoc (as L. mesenteroides) — called also native dextran b. : any such polysaccharide of reduced molecular weight obtained by controlled acid hydrolysis of native dextran as a white amorphous powder and used especially in physiological saline as a plasma substitute — called also clinical dextran
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