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单词 glucan
释义

glucann.

/ˈɡluːkan/
Etymology: < gluc- (in gluco- comb. form) + -an suffix.
Biochemistry.
A polysaccharide consisting entirely or chiefly of glucose residues, such as cellulose and starch; = glucosan n. 2.
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the world > matter > chemistry > organic chemistry > carbohydrates > sugars > polysaccharides > [noun] > other polysaccharides
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callose1890
floridean starch1902
levan1902
leucosin1914
arabinogalactan1928
laminarin1934
glucan1943
zymosan1943
agarose1953
laminaran1961
1943 V. C. Barry & T. Dillon in Proc. Royal Irish Acad. 1943–4 (1944) B. 49 177 In 1894 Salkowski isolated from yeast a polysaccharide which he called ‘yeast cellulose’... Zechmeister and Tóth..refer to the substance as ‘yeast polyose’. In this paper it will be called yeast glucan—a more definite term.
1950 Jrnl. Chem. Soc. 2 1944 Barry and Dillon..deduced a chain-length of 28 glucose radicals for the yeast glucan.
1978 Sci. Amer. Jan. 89 Glucosyltransferase..polymerizes the glucose into a long polysaccharide called a glucan.
1986 M. Kogut tr. H. G. Schlegel Gen. Microbiol. xiv. 412 Plant starch is composed of two glucans: amylose and amylopectin.
This entry has not yet been fully updated (first published 1997; most recently modified version published online June 2018).
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n.1943
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