quebrachitoln.

Brit.

/kᵻˈbrɑːtʃᵻtɒl/, U.S.

/keɪˈbrɑtʃəˌtɔl/,

/keɪˈbrɑtʃəˌtɑl/

Origin: A borrowing from French, combined with an English element. Etymons: French québrachite , -ol suffix.

Etymology: < quebrachite (see quot. 1890; < French québrachite: C. Tanret 1889, in Comptes rendus hebd. de l'Acad. des Sci. 109 909; < québracho quebracho n. + -ite -ite suffix¹) + -ol suffix.

Chemistry.

An alcohol present in the bark of the white quebracho, Aspidosperma quebracho-blanco, and obtained commercially from the latex of the rubber tree, Hevea brasiliensis, used in the synthesis of pharmaceuticals.Quebrachitol is a cyclic, pentahydric alcohol: 2-0-methyl-chiro-inositol, C₇H₁₄O₆.

ΚΠ

1890 Jrnl. Chem. Soc. 58 226 The bark of the quebracho..yields a sugar, quebrachite,..which crystallises from alcohol in anhydrous, rhomboidal prisms.]

1902 J. H. Long tr. H. Landolt Optical Rotating Power Org. Substances i. ii. 21 Hexahydric Alcohols... Quebrachitol [Ger. Quebrachit], C₇H₁₄O₆ (cyclic).

1906 Jrnl. Chem. Soc. 90 248 When the latex is coagulated in alcohol and the alcoholic solution so produced is evaporated, it deposits crystals of quebrachitol.

1950 L. E. Hawker Physiol. Fungi iii. 89 Certain isomers of i-inositol and other closely similar compounds (e.g. l-inositol, scyllitol, quebrachitol and quercitol) are inactive for strains of yeasts which require i-inositol.

1997 Phytochem. Anal. 8 49 Several uncommon polyols were identified, including bornesitol in D. floribunda and quebrachitol in S. rarak.

This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	quebrachitol
释义	quebrachitoln. Brit. /kᵻˈbrɑːtʃᵻtɒl/, U.S. /keɪˈbrɑtʃəˌtɔl/, /keɪˈbrɑtʃəˌtɑl/ Origin: A borrowing from French, combined with an English element. Etymons: French québrachite , -ol suffix. Etymology: < quebrachite (see quot. 1890; < French québrachite: C. Tanret 1889, in Comptes rendus hebd. de l'Acad. des Sci. 109 909; < québracho quebracho n. + -ite -ite suffix¹) + -ol suffix. Chemistry. An alcohol present in the bark of the white quebracho, Aspidosperma quebracho-blanco, and obtained commercially from the latex of the rubber tree, Hevea brasiliensis, used in the synthesis of pharmaceuticals.Quebrachitol is a cyclic, pentahydric alcohol: 2-0-methyl-chiro-inositol, C₇H₁₄O₆. ΚΠ 1890 Jrnl. Chem. Soc. 58 226 The bark of the quebracho..yields a sugar, quebrachite,..which crystallises from alcohol in anhydrous, rhomboidal prisms.] 1902 J. H. Long tr. H. Landolt Optical Rotating Power Org. Substances i. ii. 21 Hexahydric Alcohols... Quebrachitol [Ger. Quebrachit], C₇H₁₄O₆ (cyclic). 1906 Jrnl. Chem. Soc. 90 248 When the latex is coagulated in alcohol and the alcoholic solution so produced is evaporated, it deposits crystals of quebrachitol. 1950 L. E. Hawker Physiol. Fungi iii. 89 Certain isomers of i-inositol and other closely similar compounds (e.g. l-inositol, scyllitol, quebrachitol and quercitol) are inactive for strains of yeasts which require i-inositol. 1997 Phytochem. Anal. 8 49 Several uncommon polyols were identified, including bornesitol in D. floribunda and quebrachitol in S. rarak. This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1902
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