quercitrinn.

Brit.

/ˈkwəːsᵻtrɪn/, U.S.

/ˈkwərsətrᵻn/

Forms: 1800s quercitrine, 1800s– quercitrin.

Origin: A borrowing from French. Etymons: French quercitrin, quercitrine.

Etymology: < French quercitrin, quercitrine ( M. E. Chevreul Leçons de chimie appliquée à la teinture II. (1830) xxx. xv. 162) < quercitr- (in quercitron quercitron n.) + -in -in suffix¹.

Chemistry.

A pale yellow crystalline glycoside obtained from quercitron bark, which yields quercetin and rhamnose on hydrolysis and is used as a dye.Quercitrin is quercetin-3-rhamnoside; C₂₁H₂₀O₁₁.

ΘΚΠ

the world > life > biology > substance > pigment > [noun] > plant pigments > yellow

quercitrin1833

anthoxanthin1836

xanthein1857

xanthin1857

phycoxanthin1873

phytochrome1893

zeaxanthin1929

violaxanthin1931

xanthophyll1931

the world > matter > colour > named colours > yellow or yellowness > colouring matter > [noun] > of natural bodies

polychroite1815

quercitrin1833

anthoxanthin1836

xanthophyll1838

xanthein1857

xanthin1857

phylloxanthin1858

safranine1868

phycoxanthin1873

ooxanthine1875

phytochrome1893

1833 Encycl. Brit. VIII. 320/2 To this colouring matter Chevreul has given the name of quercitrin.

1841 Penny Cycl. XIX. 211/1 The tannin which quercitrin contains..gives a green colour with peroxide of iron.

1934 C. C. Steele Introd. Plant Biochem. vi. xix. 210 Quercitrin, a 3-rhamnoside of quercetin, occurs in the inner bark (‘quercitron bark’) of the Bark Oak (Quercus discolor or tinctoria), a native of America.

1950 Thorpe's Dict. Appl. Chem. (ed. 4) X. 344/2 Quercitrin dyes mordanted fabrics shades which are distinct from those given by quercetin.

1993 Planta Medica 59 2333 A flavonoid, quercitrin, with antidiarrhoeic activity was isolated from this crude drug.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	quercitrin
释义	quercitrinn. Brit. /ˈkwəːsᵻtrɪn/, U.S. /ˈkwərsətrᵻn/ Forms: 1800s quercitrine, 1800s– quercitrin. Origin: A borrowing from French. Etymons: French quercitrin, quercitrine. Etymology: < French quercitrin, quercitrine ( M. E. Chevreul Leçons de chimie appliquée à la teinture II. (1830) xxx. xv. 162) < quercitr- (in quercitron quercitron n.) + -in -in suffix¹. Chemistry. A pale yellow crystalline glycoside obtained from quercitron bark, which yields quercetin and rhamnose on hydrolysis and is used as a dye.Quercitrin is quercetin-3-rhamnoside; C₂₁H₂₀O₁₁. ΘΚΠ the world > life > biology > substance > pigment > [noun] > plant pigments > yellow quercitrin1833 anthoxanthin1836 xanthein1857 xanthin1857 phycoxanthin1873 phytochrome1893 zeaxanthin1929 violaxanthin1931 xanthophyll1931 the world > matter > colour > named colours > yellow or yellowness > colouring matter > [noun] > of natural bodies polychroite1815 quercitrin1833 anthoxanthin1836 xanthophyll1838 xanthein1857 xanthin1857 phylloxanthin1858 safranine1868 phycoxanthin1873 ooxanthine1875 phytochrome1893 1833 Encycl. Brit. VIII. 320/2 To this colouring matter Chevreul has given the name of quercitrin. 1841 Penny Cycl. XIX. 211/1 The tannin which quercitrin contains..gives a green colour with peroxide of iron. 1934 C. C. Steele Introd. Plant Biochem. vi. xix. 210 Quercitrin, a 3-rhamnoside of quercetin, occurs in the inner bark (‘quercitron bark’) of the Bark Oak (Quercus discolor or tinctoria), a native of America. 1950 Thorpe's Dict. Appl. Chem. (ed. 4) X. 344/2 Quercitrin dyes mordanted fabrics shades which are distinct from those given by quercetin. 1993 Planta Medica 59 2333 A flavonoid, quercitrin, with antidiarrhoeic activity was isolated from this crude drug. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1833
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