Spectrophotometric estimation of benzoic and sorbic acids

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1975 English Publisher:WileyJournal:Journal of the Science of Food and Agriculture, volume 26, pages 879-885 (issn: 0022-5142, eissn: 1097-0010,

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Authors: H, Zonneveld;

doi: 10.1002/jsfa.2740260702

pmid: 1186133

Spectrophotometric estimation of benzoic and sorbic acids

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Abstract

AbstractA spectrophotometric method is described for estimations of benzoic and sorbic acids in materials with background absorption in the ultraviolet region. The estimation can be done when both preservatives are present in equal or nonequal ratios. The coefficients of variation (average standard deviation) are 0.23–1.98% for benzoic acid and 0.40–1.58% for sorbic acid. The recovery factors are 95.5–103% for benzoic acid and 81.5–89% for sorbic acid.

Keywords

Fruit, Vegetables, Fatty Acids, Unsaturated, Food Preservatives, Benzoates, Sorbic Acid

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