convolvulinn.

Etymology: < convolvulus n. + -in suffix¹.Previous versions of the OED give the stress as: conˈvolvulin.

Chemistry.

A glucoside, a colourless transparent resin, C₃₁H₅₀O₁₆, obtained from the rhizome of Convolvulus Schiedanus, the officinal jalap-root.

ΚΠ

1850 J. Pereira Elem. Materia Med. 1455 Convolvulin, a substance supposed by Maquart to be a vegetable alkali.

Derivatives

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convolvuˈlinic acid n. C₃₁H₅₄O₁₈, a product of the action of fixed alkalis upon convolvulin.

conˈvolvulinol n. a crystallizable substance, obtained from convolvulinic acid.

ΚΠ

1877Convolvulinol [see convolvulinolic acid n.].

convolvuliˈnolic acid n. an acid formed by the action of alkaline solutions on convolvulinol.

ΚΠ

1877 H. Watts Fownes's Man. Elem. Chem. II. 605 Convolvulin..is a gummy mass having a strong purgative action; resolved by acids and by emulsion into dextrose and convolvulinol, which is converted by alkalis into convolvulinolic acid.

This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2019).

单词	convolvulin
释义	convolvulinn. Etymology: < convolvulus n. + -in suffix¹.Previous versions of the OED give the stress as: conˈvolvulin. Chemistry. A glucoside, a colourless transparent resin, C₃₁H₅₀O₁₆, obtained from the rhizome of Convolvulus Schiedanus, the officinal jalap-root. ΚΠ 1850 J. Pereira Elem. Materia Med. 1455 Convolvulin, a substance supposed by Maquart to be a vegetable alkali. Derivatives Categories » convolvuˈlinic acid n. C₃₁H₅₄O₁₈, a product of the action of fixed alkalis upon convolvulin. conˈvolvulinol n. a crystallizable substance, obtained from convolvulinic acid. ΚΠ 1877Convolvulinol [see convolvulinolic acid n.]. convolvuliˈnolic acid n. an acid formed by the action of alkaline solutions on convolvulinol. ΚΠ 1877 H. Watts Fownes's Man. Elem. Chem. II. 605 Convolvulin..is a gummy mass having a strong purgative action; resolved by acids and by emulsion into dextrose and convolvulinol, which is converted by alkalis into convolvulinolic acid. This entry has not yet been fully updated (first published 1893; most recently modified version published online June 2019). < n.1850
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