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Sodium Benzoate and Potassium Sorbate Preservatives in Food Stuffs in Iran Publisher Pubmed



Amirpour M1, 2 ; Arman A3 ; Yolmeh A4 ; Akbari Azam M2 ; Moradikhatoonabadi Z1
Authors
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Authors Affiliations
  1. 1. Food and Drug Administration, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Food Science and Technology Department, Savadkooh Branch, Islamic Azad University, Savadkooh, Iran
  3. 3. Veterinary School, Autonomous University of Barcelona, Bellaterra, Spain
  4. 4. Aq-qala Health Center, Golestan University of Medical Sciences, Gorgan, Iran

Source: Food Additives and Contaminants: Part B Surveillance Published:2015


Abstract

A high-performance liquid chromatography method was applied for the determination of the levels of benzoate and sorbate in 400 food samples, including pickled cucumbers, canned tomato pastes, sour cherry jams, soft drinks, fruit juices and dairy products (UF-Feta cheeses, Lighvan cheeses, lactic cheeses, yogurts and doogh). The results showed that 270 (67.5%) of all samples contained benzoate ranging from 11.9 to 288.5 mg kg−1 in lactic cheese and fruit juice, respectively. The levels of sorbate in 98 (24.5%) of the samples were 20.1 to 284.3 mg kg−1 in doogh and fruit juice, respectively. Moreover, benzoate was detected in all dairy products ranging from 11.9 mg kg−1 in lactic cheese to 91.2 mg kg−1 in UF-Feta cheese. A low concentration of benzoate could originate naturally, due to specific biochemical mechanisms during cheese, yogurt and doogh maturation. In conclusion, a minimum level for benzoate in dairy products should be defined in the legislation. © 2015 Taylor & Francis.