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单词 hypoglycin
释义

hypoglycinn.

Brit. /ˌhʌɪpə(ʊ)ˈɡlʌɪsɪn/, U.S. /ˌhaɪpoʊˈɡlaɪs(ə)n/
Forms: 1900s– hypoglycin, 1900s– hypoglycine.
Origin: Formed within English, by derivation. Etymons: hypoglycaemia n. at hypo- prefix 2, -in suffix1.
Etymology: < hypoglyc- (in hypoglycaemia n. at hypo- prefix 2) + -in suffix1.With the form hypoglycine compare -ine suffix5.
Either of two related toxins occurring naturally in the unripe fruit of the ackee, Blighia sapida, typically causing severe vomiting if ingested. More fully hypoglycin A, hypoglycin B.The hypoglycins are amino acids related to lysine and containing a cyclopropane ring. Formulae: (hypoglycin A) C7H11NO2; (hypoglycin B) C12H18N2O5.
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the world > physical sensation > use of drugs and poison > poison > [noun] > poisons from plants
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hypoglycin1954
1954 C. H. Hassall et al. in Nature 20 Feb. 356/2 There is evidence..that the fruit of Blighia sapida (known in Jamaica as ackee and in Nigeria as isin), a very common article of diet in Jamaica, may contain toxic components... We have found that the seed of the fruit contains two toxic polypeptides which we have named hypoglycin A and hypoglycin B.
1976 Environmental Health Perspectives 14 194/2 Riboflavin protected against the teratogenic effects of both hypoglycine A and boric acid.
1987 N.Y. Times 11 Jan. (Travel section) 32/3 Unripe ackee contains a poison—hypoglycin-a—which disappears when the ripe fruit pops open.
1995 L. Gunst Born Fi' Dead (1996) i. 17 The slave ships brought the first ackee, the bright orange pod that holds its tender yellow fruit in a tight, poisonous embrace until the pod opens and releases the deadly hypoglycin, making the ackee safe to eat.
2006 Record (Bergen County, New Jersey) (Nexis) 15 Nov. (Food section) 1 Hypoglycin occurs naturally in ackee but falls down to safe levels if the pod is allowed to ripen and open without human interference.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).
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n.1954
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