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Indirect visible spectrophotometric oxidimetry of sorbic acid.

Sastry, C. S. P. and Venkateswara Rao, G. and Krishnamacharyulu, A. G. (1996) Indirect visible spectrophotometric oxidimetry of sorbic acid. Journal of Food Sceince and Technology, 33 (4). pp. 335-337.

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Abstract

Two methods (A and B), developed for the determination of sorbic acid in trace amounts (0.2-10 μg/m1), are applicable to a large variety of food samples. The analytical reactions in both the methods A and B are stoichiometric oxidations, with an excess of N-bromosuccinimide (method A) or potassium permanganate (method B). The excess oxidant is then measured colorimetrically by reaction with metol-sulphanilamide (method A) or fast green FCF, an oxidizable dye (method B).

Item Type: Article
Uncontrolled Keywords: Spectrophotometry, Sorbic acid, N-Bromosuccinimide, Potassium permanganate, Sulphanilamide, Fast green FCF.
Subjects: 600 Technology > 08 Food technology > 01 Analysis
Divisions: Flour Milling Bakery and Confectionary Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 25 Apr 2012 05:43
Last Modified: 25 Apr 2012 05:43
URI: http://ir.cftri.com/id/eprint/4384

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