phloretinn.

Brit.

/ˈflɔːrətɪn/, U.S.

/ˈflɔrətɪn/,

/ˈflɔrəˌtin/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: phloro- comb. form, -etin suffix.

Etymology: < phloro- comb. form + -etin suffix, after French phlorétine (J.-S. Stas 1838, in Ann. de chim. et de physique 69 380). Compare German Phloretin (1839).

Chemistry.

A crystalline phenolic compound with a bicyclic molecular structure, the aglycone of phlorizin; 3-(4-hydroxyphenyl)-1-(2,4,6-trihydroxyphenyl)-1-propanone, C₁₅H₁₄O₅.

ΚΠ

1840 Penny Cycl. XVIII. 98/2 Phlorizin is by various processes, described by M. Stass, converted into phlorizein, phloretin, and phloretic acid.

1876 H. E. Armstrong Introd. Study Org. Chem. 183 Phloroglucin is obtained on fusion of phloretin, catechin, kino, dragon's blood, quercitin, and a number of similar substances with potassic hydrate.

1942 Science 1 May 461/1 The capacity of cartilage to calcify well, even in the presence of phlorizin or phloretin.

2004 Chemico-biol. Interactions 148 57 We have investigated phloretin, isoliquiritigenin, and 10 other hydroxylated chalcones for their cytotoxic mechanisms towards isolated rat hepatocytes.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	phloretin
释义	phloretinn. Brit. /ˈflɔːrətɪn/, U.S. /ˈflɔrətɪn/, /ˈflɔrəˌtin/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: phloro- comb. form, -etin suffix. Etymology: < phloro- comb. form + -etin suffix, after French phlorétine (J.-S. Stas 1838, in Ann. de chim. et de physique 69 380). Compare German Phloretin (1839). Chemistry. A crystalline phenolic compound with a bicyclic molecular structure, the aglycone of phlorizin; 3-(4-hydroxyphenyl)-1-(2,4,6-trihydroxyphenyl)-1-propanone, C₁₅H₁₄O₅. ΚΠ 1840 Penny Cycl. XVIII. 98/2 Phlorizin is by various processes, described by M. Stass, converted into phlorizein, phloretin, and phloretic acid. 1876 H. E. Armstrong Introd. Study Org. Chem. 183 Phloroglucin is obtained on fusion of phloretin, catechin, kino, dragon's blood, quercitin, and a number of similar substances with potassic hydrate. 1942 Science 1 May 461/1 The capacity of cartilage to calcify well, even in the presence of phlorizin or phloretin. 2004 Chemico-biol. Interactions 148 57 We have investigated phloretin, isoliquiritigenin, and 10 other hydroxylated chalcones for their cytotoxic mechanisms towards isolated rat hepatocytes. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1840
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