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单词 physalin
释义

physalinn.

Brit. /ˈfʌɪsəlɪn/, /ˈfɪsəlɪn/, U.S. /ˈfaɪsələn/, /ˈfɪsələn/
Forms: 1800s physaline, 1900s– physalin.
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Physalis , -in suffix1.
Etymology: < scientific Latin Physalis Physalis n. + -in suffix1.
Biochemistry.
A red carotenoid pigment, C72H116O4, that is the bitter principle of the Chinese lantern plant, Physalis alkekengi; zeaxanthin dipalmitate. Also: any of various compounds related to or derived from this, many of which occur naturally in plants of the genus Physalis or other genera of the family Solanaceae.
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the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun]
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1863 Year-bk. Med. 1862 (New Sydenham Soc.) 457 All parts of the plant [sc. Physalis alkekengi] possess a strong bitter taste which is probably due to a crystalline principle, named physaline.
1930 Times Educ. Suppl. 18 Oct. 431/2 There is in it a bitter principle, called physalin.
1981 Jrnl. Nat. Products 44 579 Physalin B has demonstrated moderate activity against the 3PS mouse leukemia.
1998 Daily Yomiuri (Tokyo) (Nexis) 18 July 10 The leaves, stem and roots, which contain a chemical compound called physalin, are sun-dried and used to make an infusion prescribed for severe coughs, sore throats and fevers.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1863
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