Determination of ionization constant (pK(a)) and octanol-water partition coefficient (Log P) of cyclopiazonic acid

Sobolev, V.S.

Determination of ionization constant (pK(a)) and octanol-water partition coefficient (Log P) of cyclopiazonic acid

2005

Sobolev, V.S.

The ionization constant (pK(a)) and the octanol-water partition coefficient (log P) of the important mycotoxin cyclopiazonic acid (CPA) were determined by means of potentiometric titration, and the lipophilicity profile (log D) was calculated. Under the experimental conditions, pK(a) of CPA = 2.97 +/- 0.09, log P = 3.83 +/- 0.10, and log D at pH 7.4 = -0.58.

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AGROVOC Keywords

absorption chemical structure chemistry chromatography food contamination fungi hydrophobicity indoles ionization ions metabolites methods mycotoxins mycotoxins potentiometry quantitative analysis titration water

Bibliographic information

Published in

Journal of AOAC International

Volume 88 Issue 5 Pagination 1367 - 1370 ISSN 1060-3271

Publisher

Oxford University Press

Other Subjects

Octanols; Food contamination and toxicology; Ionic strength; Food contamination and toxicology - field crop products; Potentiometers; Cyclopiazonic

Language

French

Type

Journal Article; Text

In AGRIS since: 2024-02-28

Format: MODS

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Determination of ionization constant (pK(a)) and octanol-water partition coefficient (Log P) of cyclopiazonic acid

2005

AGROVOC Keywords

Bibliographic information