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单词 squalene
释义

squalenen.

/ˈskweɪliːn/
Etymology: < squal- (in squalus n.) + -ene comb. form.
Chemistry.
A colourless, oily, liquid, triterpenoid hydrocarbon, C30H50, which in animals is an intermediate in the biosynthesis of cholesterol and occurs esp. in the liver oils of sharks and other elasmobranch fishes.
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squalene1916
1916 M. Tsujimoto in Jrnl. Industr. & Engin. Chem. 8 896/2 From..the fact that the author has discovered the hydrocarbon first in the liver oils of the squaloid sharks, he proposes the name ‘Squalene’ for the hydro~carbon.
1938 Ann. Reg. 1937 348 Oestrin, styryl blue, the acenaphthene derivatives and squalene can act as efficient evocators in embryological induction.
1964 New Scientist 22 Oct. 221/1 These rearrangements occur as part of a marvellously complicated, concerted enzymic process by which the long molecule of squalene is folded and formed into rings.
1978 Sci. Amer. Sept. 94/1 Sterols, such as cholesterol and the steroid hormones, are flat, platelike molecules derived from the compound squalene.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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