2011•Food Science and Technology InternationalRequires access

Simultaneous determination of food preservatives by multivariate calibration-UV spectrophotometry

Mao Li-ha

Abstract

Objective:The paper developed a method for simultaneous determination for salicylic acid,sorbic acid and benzoic acid in food.Methods:The absorption data of 210～300 nm internal 1 nm about the three compounds were obtained.Results:The result shows that that Beer's law is obeyed in 5～20 μg/mL for salicylic acid,20～80 μg/mL for sorbic acid and in 10～30 μg/mL for benzoic acid.The average recovery is 100.4% for salicylic acid,98.1% for sorbic acid and 96.9% for benzoic acid.Conclusion:This method is reliable and good reproducibility for determination of salicylic acid sorbic acid,and benzoic acid in food.

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Available abstract

Key concepts: Sorbic acid, Benzoic acid, Salicylic acid, Preservative, Chemistry, Food Preservatives, Chromatography, Food additive