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单词 lotaustralin
释义

lotaustralinn.

Brit. /lɒtˈɔːstr(ə)lɪn/, /lɒtˈɒstr(ə)lɪn/, U.S. /lɑdˈɔstrəlɪn/, /lɑdˈɑstrəlɪn/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Lotus australis , -in suffix1.
Etymology: < scientific Latin Lotus australis, taxonomic name of the Austral trefoil (1810 or earlier; < classical Latin lōtus lotus n. (compare lotus n. 4b) + australis southern: see Australian n.) + -in suffix1; so called because it was first isolated from this plant.
Chemistry.
A crystalline, toxic (cyanogenic) compound present in Austral trefoil ( Lotus australis), white clover, cassava, and some other plants.Lotaustralin is the glucoside of methyl ethyl ketone cyanohydrin; C11H19NO6.
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the world > matter > chemistry > organic chemistry > crystalline substances > [noun] > others
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lepton1921
leuco-taxin1937
lotaustralin1938
ionophore1955
1938 H. Finnemore & J. M. Cooper in Jrnl. Soc. Chem. Industry May 165/1 The cyanogenetic constituent is in the main composed of the glucoside of the cyanohydrin of methyl ethyl ketone. This is new and it is proposed to call it lotaustralin.
1973 Daily Colonist (Victoria, Brit. Columbia) 18 July 18/4 Cassava's toxicity..is caused by a substance called linamarin..together with small amounts of a closely related substance, lotaustralin.
2010 Plant Cell 22 1607/1 Of the cyanogenic glucosides, lotaustralin is predominant, occurring at ~10-fold higher levels in leaves than linamarin.
This entry has been updated (OED Third Edition, September 2015; most recently modified version published online March 2022).
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n.1938
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