“ursone”的英文意思

单词

ursone

释义

ursone Chem.|ˈɜːsəʊn|
[f. L. (ūva) urs-i (see uva) + -one.]
A crystalline principle obtained esp. from the leaves of the bearberry.
1866Watts tr. Gmelin's Handbk. Chem. XVII. 361 Ursone burns with a yellow smoky flame.1885Buck's Handbk. Med. Sci. I. 482/1 Ericolin..is an amorphous, yellowish glucoside, yielding with diluted acids sugar, and an essential oil—ursone.1892C. E. A. Semple Mat. Med. 318 Two crystallisable principles, Ursone (C₂₀H₃₂O₂) and Arbutin (C₁₂H₁₆O₇).

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