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Prevention by lactic acid bacteria of the oxidation of human LDL
M Terahara1, S Kurama, N Takemoto
1Food Functionality Research Institute, Meiji Milk Products Co., Ltd., Higashimurayama, Tokyo, Japan.
Bioscience, Biotechnology, and Biochemistry
|October 2, 2001
Abstract:
Ether extracts of lactic acid bacteria were analyzed for prevention of the oxidation of erythrocyte membrane and human low-density lipoprotein in vivo. Streptococcus thermophilus 1131 and Lactobacillus delbrueckii subsp. bulgaricus 2038, yogurt starters, were chosen as test-strains, and ether extracts of these cultures were used as samples. Both strain 1131 and strain 2038 produced radical scavengers and inhibited oxidation of erythrocyte membranes and low-density lipoproteins. The antioxidative activity of strain 2038 was higher than that of strain 1131.