Title

Development of an analytical method for 3-monochloropropane-1, 2-diol in soy sauce using 4-heptanone as derivatizing agent

Document Type

Article

Publication Date

2004

Abstract

3-Monochloro-1,2-propane diol is a suspected carcinogen found in hydrolysed vegetable protein products such as soy sauce. A method is described for the analysis of 3-monochloro-1,2-propane diol in soy sauce by gas chromatography-mass spectrometry at a concentration range of 1–5000 ng g−1 using 4-heptanone as the derivatizing ketone and 3-monochloro-1,2-propane diol-d5 as the internal standard. The limit of detection for the method in the soy sauce matrix was 0.48 ng g−1 and the limit of quantification was 1.2 ng g−1.

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