aesculetinesculetinn.

Brit.

/ˌɛskjᵿˈliːtɪn/,

/ˌiːskjᵿˈliːtɪn/, U.S.

/ˌɛskjəˈlid(ə)n/

Forms: 1800s– aesculetin, 1800s– aesculetine, 1800s– esculetin, 1800s esculetine.

Origin: A borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: Latin aesculus , -etin suffix.

Etymology: < classical Latin aesculus (see aesculin n.) + -etin suffix, after German Aesculetin (F. Rochleder & R. Schwartz 1853, in Jrnl. f. prakt. Chem. 59 196).

Chemistry.

A bitter crystalline substance formed by the hydrolysis of aesculin, of which it is the aglycone.Aesculetin is a bicyclic lactone. Systematic name: 6,7-dihydroxycoumarin; C₉H₆O₄.

ΘΚΠ

the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun] > crystallizable or crystalline

guaiacin1830

phlorizin1835

phillyrin1838

aesculetin1853

thiosinamine1853

taraxacin1858

olivite1866

taraxacerin1890

1853 Chem. Gaz. 15 Aug. 303 The crystals of this substance, to which the authors give the name of æsculetine, are very difficult of solution in water.

1908 Bot. Gaz. 45 91 Both esculin and esculetin have been found in plants, but little is known concerning their distribution.

1932 A. L. Winton & K. G. B. Winton Struct. & Composition Foods I. 347 Esculin..is a glucoside occurring in all parts of the plant [sc. horse-chestnut], particularly in the bark and shell. It splits up into esculetin..and d-glucose, due according to Sigmund to the action of an enzyme.

1934 C. C. Steele Introd. Plant Biochem. vi. xviii. 187 Æsculin from Horse Chestnut bark (Æsculus Hippocastanum)..is the 6-glycoside of 6,7-hydroxy-coumarin (æsculetin).

1999 S. Price & L. Price Aromatherapy for Health Professionals (ed. 2) iii. 52 Some other simple coumarin derivatives, such as umbelliferon, herniarin and aesculetin have a sunlight filter effect because they absorb ultraviolet light of 280–315 nm.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	aesculetin
释义	aesculetinesculetinn. Brit. /ˌɛskjᵿˈliːtɪn/, /ˌiːskjᵿˈliːtɪn/, U.S. /ˌɛskjəˈlid(ə)n/ Forms: 1800s– aesculetin, 1800s– aesculetine, 1800s– esculetin, 1800s esculetine. Origin: A borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: Latin aesculus , -etin suffix. Etymology: < classical Latin aesculus (see aesculin n.) + -etin suffix, after German Aesculetin (F. Rochleder & R. Schwartz 1853, in Jrnl. f. prakt. Chem. 59 196). Chemistry. A bitter crystalline substance formed by the hydrolysis of aesculin, of which it is the aglycone.Aesculetin is a bicyclic lactone. Systematic name: 6,7-dihydroxycoumarin; C₉H₆O₄. ΘΚΠ the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun] > crystallizable or crystalline guaiacin1830 phlorizin1835 phillyrin1838 aesculetin1853 thiosinamine1853 taraxacin1858 olivite1866 taraxacerin1890 1853 Chem. Gaz. 15 Aug. 303 The crystals of this substance, to which the authors give the name of æsculetine, are very difficult of solution in water. 1908 Bot. Gaz. 45 91 Both esculin and esculetin have been found in plants, but little is known concerning their distribution. 1932 A. L. Winton & K. G. B. Winton Struct. & Composition Foods I. 347 Esculin..is a glucoside occurring in all parts of the plant [sc. horse-chestnut], particularly in the bark and shell. It splits up into esculetin..and d-glucose, due according to Sigmund to the action of an enzyme. 1934 C. C. Steele Introd. Plant Biochem. vi. xviii. 187 Æsculin from Horse Chestnut bark (Æsculus Hippocastanum)..is the 6-glycoside of 6,7-hydroxy-coumarin (æsculetin). 1999 S. Price & L. Price Aromatherapy for Health Professionals (ed. 2) iii. 52 Some other simple coumarin derivatives, such as umbelliferon, herniarin and aesculetin have a sunlight filter effect because they absorb ultraviolet light of 280–315 nm. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.1853
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