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J Food Sci Technol. 2015 Mar;52(3):1272-82. doi: 10.1007/s13197-013-1080-1. Epub 2013 Jul 06.

Application and stability of natural antioxidants in edible oils in order to substitute synthetic additives.

Journal of food science and technology

Mostafa Taghvaei, Seid Mahdi Jafari

Affiliations

  1. Department of Food Materials and Process Design Engineering, University of Agricultural Sciences and Natural Resources, Gorgan, Iran.

PMID: 25745196 PMCID: PMC4348291 DOI: 10.1007/s13197-013-1080-1

Abstract

Antioxidants are components which prevent auto-oxidation of oils and fats by giving their hydrogen to free radicals formed in the initiation and propagation stages of autoxidation. During the past two decades, a lot of researches using natural plants extract in edible oils have been carried out due to the trend to minimize or avoid the use of synthetic food additives. According to the most studies, there are various natural antioxidants which can be extracted from low cost resources, such as most parts of olive plant, green tea, sesame, medicinal plants, etc. One of the most important requirements for a suitable antioxidant in oils and fats is the thermal stability during heat processing. It has been shown that most of natural additives have more antioxidants activity and thermal stability than synthetic ones in different edible oils. In this review, recent advances in the application of natural antioxidants in the food industry will be covered.

Keywords: Edible oils; Natural antioxidants; Plant extracts; Stability; Synthetic antioxidants

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