“hypericin”的英文意思_释义_用法

单词

hypericin

释义

hypericin, n. Chem.
Brit. |hʌɪˈpɛrɪsɪn|, U.S. |haɪˈpɛrəs(ə)n|
[‹ German Hypericin (C. Černý 1911, in Zeitschr. f. physiol. Chem. 73 377) > n.) + German -in -in suffix¹.]
A red crystalline compound that is an active principle of St John's wort, Hypericum perforatum, and is used as a mild antidepressant.
Hypericin is an anthraquinone derivative. Formula: C₃₀H₁₄O₈.
1912Chem. Abstr. 6 381 (heading) Hypericin (hypericum red).1957R. H. Thomson Naturally Occurring Quinones vi. 279 A number of such photodynamic substances occur naturally in plants, notably the quinone pigment hypericin.1998R. A. Ricker Smart Guide Vitamins & Healing Suppl. vi. 120 Another theory is that hypericin produced feelings of well-being by inhibiting serotonin reuptake in the cells.2003P. Thomas What works, what Doesn't x. 123 A daily oral dose of 500 to 900 mg St John's wort extract, corresponding to 1.0 to 2.7 mg total hypericin, is typically recommended.

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