quillaicadj.

Brit.

/kwᵻˈleɪɪk/, U.S.

/kwəˈleɪɪk/

Forms: 1800s– quillaic, 1800s– quillajic (rare).

Origin: Formed within English, by derivation; probably modelled on a German lexical item. Etymons: quillaia n., -ic suffix.

Etymology: < quilla- (in quillaia n.) + -ic suffix, probably after German Quillajasäure (1887 or earlier).

Chemistry.

quillaic acid n. a steroidal sapogenin present in quillaja bark.Formula: C₃₀H₄₅O₅.

ΚΠ

1887 R. T. Edes Text-bk Therapeutics & Materia Medica 177 The active principle of senega is the glucoside saponin, found also in many other plants. It is said to consist of two glucosides, quillaic acid and sapotoxin.

1889 Jrnl. Chem. Soc. 56 55 The saponin of commerce..is an almost inactive, non-poisonous modification of quillajic acid.

1890 W. Martindale Extra Pharmacopœia (ed. 6) 386 The bark..contains quillaic acid and sapotoxin.

1924 C. T. Kingzett Chem. Encycl. 486 Saponins from quillaya bark..are stated to consist of one-third quillajic acid and two-thirds of a body named sapotoxin.

1980 Biogr. Mem. Fellows Royal Soc. 26 459 Both the latter acid and hederagenin could be transformed into the diol,..thus proving that quillaic acid is a 16-hydroxy derivative of gypsogenin.

2000 Phytochemistry 55 419/1 Several of the major saponins have been..identified. All these identified structures have in common the triterpene quillaic acid.

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

单词	quillaic
释义	quillaicadj. Brit. /kwᵻˈleɪɪk/, U.S. /kwəˈleɪɪk/ Forms: 1800s– quillaic, 1800s– quillajic (rare). Origin: Formed within English, by derivation; probably modelled on a German lexical item. Etymons: quillaia n., -ic suffix. Etymology: < quilla- (in quillaia n.) + -ic suffix, probably after German Quillajasäure (1887 or earlier). Chemistry. quillaic acid n. a steroidal sapogenin present in quillaja bark.Formula: C₃₀H₄₅O₅. ΚΠ 1887 R. T. Edes Text-bk Therapeutics & Materia Medica 177 The active principle of senega is the glucoside saponin, found also in many other plants. It is said to consist of two glucosides, quillaic acid and sapotoxin. 1889 Jrnl. Chem. Soc. 56 55 The saponin of commerce..is an almost inactive, non-poisonous modification of quillajic acid. 1890 W. Martindale Extra Pharmacopœia (ed. 6) 386 The bark..contains quillaic acid and sapotoxin. 1924 C. T. Kingzett Chem. Encycl. 486 Saponins from quillaya bark..are stated to consist of one-third quillajic acid and two-thirds of a body named sapotoxin. 1980 Biogr. Mem. Fellows Royal Soc. 26 459 Both the latter acid and hederagenin could be transformed into the diol,..thus proving that quillaic acid is a 16-hydroxy derivative of gypsogenin. 2000 Phytochemistry 55 419/1 Several of the major saponins have been..identified. All these identified structures have in common the triterpene quillaic acid. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1887
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