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Evaluation of Whey Protein Coating Containing Free and Pickering Emulsion Forms of Trachyspermum Copticum L. Essential Oil on Quality of Refrigerated Beef Publisher



Saghari V1 ; Jalali H1 ; Shariatifar N2, 3 ; Ziaolhagh S4
Authors
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Authors Affiliations
  1. 1. Department of Food Science and Technology, Damghan Branch, Islamic Azad University, Damghan, Iran
  2. 2. Department of Environmental Health, Food Safety Division, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Drug Design and Development Research Center, the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Agricultural Engineering Research Department, Agricultural and Natural Resources Research Center of Semnan Province (Shahrood), AREEO, Shahrood, Iran

Source: Food Science and Nutrition Published:2024


Abstract

The purpose of the present research was to prepare a novel biodegradable coating of whey protein (whey) and essential oil of Trachyspermum copticum L. (forms of free (EO) and Pickering emulsion (NEO)) to improve the shelf life of beef. In this study, various microbiological, chemical, and sensory analyses were performed. The results showed that after 18 days, the highest and lowest microbiological counts were related to control samples and whey-NEO treatments, respectively. The total viable count (TVC) was 8.2 and 6.8 log CFU/g, the total psychrotrophic count (TPC) was 8.5 and 6.7 log CFU/g, and the lactic acid bacteria (LAB) count was 7.7 and 6.5 log CFU/g for control and whey-NEO treatments, respectively. Chemical analysis of whey-NEO treatment and control sample were 6.3 and 7.5 for pH, 9.8 and 13.9 meq/kg for PV (peroxide value), 5.45 and 8.85 mg/kg for TBARS (thiobarbituric acid reactive substances), and 25.1 and 39.4 mgN/100 g for TVB-N (total volatile basic nitrogen), respectively. The best result was associated with the whey-NEO treatment; consequently, coatings with whey and EO Pickering emulsion should be considered as a potential active coating in the meat industry. © 2024 The Author(s). Food Science & Nutrition published by Wiley Periodicals LLC.
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