Abstract
Determined the content of sorbic acid in food with UV spectrophotometer. Firstly ,determined the sorbic acid’s largest single absorption peak, then the sorbic acid was extracted with ether. The results show that all the samples are qualified. Then discussing the conditions and other additive’s the impact. The improved method for the serious food’s determination was list. The method is simple, easy to operate.
Keywords:UV spectrophotometer Sorbic acid Anhydrous ether Food additive Benzoic Acid