英语词汇“rhamnoxanthin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

rhamnoxanthin n.

Brit.

/ˌramnə(ʊ)ˈzanθ(ᵻ)n/

U.S.

/ˌræmnoʊˈzænθ(ə)n/

[after German Rhamno-Xanthin (M. Binswanger 1850, in Repertorium f. die Pharm. 4 152)] now rare a bitter, yellow, crystalline compound isolated from the bark of alder buckthorn, Rhamnus frangula; cf. frangulin n.Rhamnoxanthin is now more usually known as frangulin A. Chemical name: emodin-3-rhamnoside; C₂₁H₂₀O₉.

ΚΠ

1850 M. Binswanger in Pharm. Jrnl. & Trans. 9 538 The results which I have obtained from the examination of the bark..of the Rhamnus frangula are:..Rhamno-xanthin, a yellow, crystallizable colouring substance, which can be sublimed.

1919 Med. Critic & Guide 22 304 Cascarin. The active principle of cascara sagrada. It is identical with rhamnoxanthine found in buckthorn bark (rhamnus frangula).

1957 R. H. Thomson Naturally Occurring Quinones iv. 194 The simplest product is the rhamnoside, frangulin (franguloside or rhamnoxanthin).

单词	rhamnoxanthin
释义	> as lemmas rhamnoxanthin rhamnoxanthin n. Brit. /ˌramnə(ʊ)ˈzanθ(ᵻ)n/ , U.S. /ˌræmnoʊˈzænθ(ə)n/ [after German Rhamno-Xanthin (M. Binswanger 1850, in Repertorium f. die Pharm. 4 152)] now rare a bitter, yellow, crystalline compound isolated from the bark of alder buckthorn, Rhamnus frangula; cf. frangulin n.Rhamnoxanthin is now more usually known as frangulin A. Chemical name: emodin-3-rhamnoside; C₂₁H₂₀O₉. ΚΠ 1850 M. Binswanger in Pharm. Jrnl. & Trans. 9 538 The results which I have obtained from the examination of the bark..of the Rhamnus frangula are:..Rhamno-xanthin, a yellow, crystallizable colouring substance, which can be sublimed. 1919 Med. Critic & Guide 22 304 Cascarin. The active principle of cascara sagrada. It is identical with rhamnoxanthine found in buckthorn bark (rhamnus frangula). 1957 R. H. Thomson Naturally Occurring Quinones iv. 194 The simplest product is the rhamnoside, frangulin (franguloside or rhamnoxanthin). extracted from rhamno-comb. form < as lemmas
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> as lemmas