Effect of Novel Zein Coating Combined with Different Antioxidants (Thymol and Carvacrol) on the Aflatoxin Production of Peanut

Document Type : Research Paper

Authors

1 Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

2 2Department of Food Hygiene and Aquaculture, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran

3 Department of Food Hygiene and Aquaculture, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran

4 3Department of Clinical Sciences. Faculty of Veterinary Medicine. Ferdowsi University Of Mashhad, Mashhad, Iran

5 department of nutrition sciences, varastegan institute for medical sciences, Mashhad, Iran

Abstract

Introduction: Aflatoxin contamination of agricultural crops leads to health hazards and detrimental to the economy. Despite enhanced processing, handling and storage, it remains an issue in the peanut industry. An effort was made to investigate the efficacy of corn zein coating combined with thymol and carvacrol as the edible coating may extend aflatoxinproduction. Methods: Analysis of aflatoxins B1, B2 and total were performed for 11 treatments on coated and uncoated peanuts stored at room temperature for 90 days. Treatments were included zein, thymol (500, 1000, 1500 ppm), carvacrol (5000, 10000, 15000 ppm), incorporating thymol and carvacrol at three different concentrations and control. Results: Significant differences between coated and uncoated treatments were observed (p<0.05). The mean of aflatoxins B1, B2 and total in treatments with the highest concentration of antioxidant had increased between baseline and 90th day. While in other treatments the trend was decreasing compared to the control. Conclusion: Coating containing zein showed the best results in terms of preventing aflatoxin formation. So it can be recommended as a suitable coating for peanut, promoting their health benefits.

Keywords

References

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History

  • Receive Date: 18 August 2018
  • Revise Date: 24 September 2018
  • Accept Date: 10 October 2018

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