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Comparative Study of Eight Strains of Lactic Acid Bacteria In Vitro Antioxidant Activity

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Abstract:

In order to achieve lactic acid bacteria (LAB) with high antioxidant activity and provide a theoretical reference for the development of natural antioxidants, 8 stains of LAB were studied by hydroxyl radical scavenging experiments, DPPH and hydroxyl radical assays, anti-lipid peroxidation assays and reducing powder evaluation experiments. The results showed that the antioxidant capabilities of the 8 strains of LAB were quite different and the fermentation supernatant had better antioxidant activity than the intact cell and the intracellular extracts. Moreover, Lb,Lr and Lm1 strains demonstrated better capacity on antioxidant activity than others, which could be considered as potential antioxidant strains to be applied in functional foods.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

Pages:

183-188

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1073-1076.183

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Online since:

December 2014

Authors:

Yue Qi Wang, Yan Yan Wu, Lai Hao Li*, Xi Chang Wang, Qiu Xing Cai, Xian Qing Yang

Keywords:

Antioxidant Activity, Free Radical, Lactic Acid Bacteria

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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