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We investigated in vitro and in vivo antioxidant activity of Lactobacillus paracasei ssp. paracasei YBJ01 (LPSP-YBJ01) isolated and identified from fermented yogurt. Strain LPSP-YBJ01 had stress tolerance against acidity, bile salt, and osmotic pressure. Five in vitro antioxidant assays were used to evaluate antioxidant activity of LPSP-YBJ01, which could scavenge free radicals (2,2-diphenyl-1-picrylhydrazyl and hydroxyl) and superoxide anion in vitro. In addition, strain LPSP-YBJ01 had stronger antilipid peroxidation activity and weak reducing power in vitro. We measured in vivo antioxidant activity of LPSP-YBJ01 in an oxidation mouse model induced by d-galactose injection. Strain LPSP-YBJ01 significantly increased serum superoxide dismutase (SOD), glutathione peroxidase, and total-antioxidant capability, and inhibited generation of malondialdehyde in a dose-dependent manner. In addition, strain LPSP-YBJ01 also increased the hepatic and splenic protein expressions of some antioxidant enzymes such as catalase, Cu/Zn-SOD, and Mn-SOD in mice treated with d-galactose. Thus, LPSP-YBJ01 had antioxidant activity in vitro and in vivo and may be a useful probiotic.
This article was published in the following journal.
Name: Journal of dairy science
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A species of Lactobacillus that occurs in the GUT MICROBIOTA of healthy humans as well as FERMENTED DAIRY PRODUCTS and fermented vegetables. It is used as a PROBIOTIC.
D-Galactose:NAD(P)+ 1-oxidoreductases. Catalyzes the oxidation of D-galactose in the presence of NAD+ or NADP+ to D-galactono-gamma-lactone and NADH or NADPH. Includes EC 22.214.171.124 and EC 126.96.36.199.
An aldohexose that occurs naturally in the D-form in lactose, cerebrosides, gangliosides, and mucoproteins. Deficiency of galactosyl-1-phosphate uridyltransferase (GALACTOSE-1-PHOSPHATE URIDYL-TRANSFERASE DEFICIENCY DISEASE) causes an error in galactose metabolism called GALACTOSEMIA, resulting in elevations of galactose in the blood.
A species of Lactobacillus that occurs in the human GASTROINTESTINAL TRACT and ORAL MUCOSA. It produces BACTERIOCINS and is used as a PROBIOTIC.
A species of Lactobacillus that occurs in fermented meat and fish. It produces the BACTERIOCIN Sakacin P and is used for FOOD PRESERVATION and as a PROBIOTIC.
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