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Korean J Food Sci Anim Resour. 2016;36(4):476-86. doi: 10.5851/kosfa.2016.36.4.476. Epub 2016 Aug 30.

Effects of Annatto (Bixa orellana L.) Seeds Powder on Physicochemical Properties, Antioxidant and Antimicrobial Activities of Pork Patties during Refrigerated Storage.

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1
Department of Animal Science and Functional Food Research Center, Chonnam National University, Gwangju 500-757, Korea; Department of Food and Agricultural Products Processing and Precervation, Faculty of Agriculture and Forestry, Tay Nguyen University, Dak Lak Province, Vietnam.
2
Department of Animal Science and Functional Food Research Center, Chonnam National University, Gwangju 500-757, Korea.

Abstract

This study investigated the effect of the powder produced by ball-milling the outer layer of annatto (Bixa orellana L.) seeds on the physicochemical properties as well as the antioxidant and antimicrobial activities of pork patties over 14 d of refrigerated storage (4±1℃). Five pork patty treatments were produced containing three different concentrations of annatto seeds, 0.1, 0.25 and 0.5% (ANT0.1, ANT0.25, ANT0.5), 0.1% ascorbic acid (AA0.1), and a control (CTL). Based on the results, annatto seed powder appeared to show antioxidant activity. The Hunter color values of pork patties were affected by the addition of annatto seed powder, which increased the redness and yellowness values, but decreased the lightness of the patties (p<0.05). To evaluate the antioxidative effects of annatto on pork patties, thiobarbituric acid reactive substances (TBARS) and peroxide values (POV) were analyzed over 14 d of refrigerated storage. Treatments containing annatto seed showed lower TBARS and POV than control (CTL) samples (p<0.05). The volatile basic nitrogen (VBN) of the pork patties containing annatto seeds were lower than that of CTL at the end of storage (p<0.05). Although no differences in total bacterial counts were observed between control and treated patties, those containing annatto seeds had lower microbial counts for Enterobacteriacease than CTL or AA 0.1%. Therefore, annatto seed powder might be a good source of natural antioxidants for the production of meat products.

KEYWORDS:

Annatto seeds; antioxidant activity; lipid oxidation; pork patties

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