Antioxidant capacity of extract from Jiangtang Xiaozhi recipe in vitro.

2020 
OBJECTIVE To evaluate the antioxidant capacity of the extract from Jiangtang Xiaozhi recipe (JXR) of in vitro. METHODS JXR extract was prepared according to previously reported method. In vitro antioxidant assays were used in this experiment, including 1,1-Diphenyl-2-picrylhydrazyl free radical (DPPH) radical scavenging ability, 2-2'-Azinobis-(3-ethylbenzthiazoline-6-sul phonate (ABTS) radical scavenging ability, reducing power assay, fluorescence recovery after photo bleaching assay, β-carotene bleaching assay, ferric thiocyanate assay, and thiobarbituric acid method. RESULTS DPPH, ABTS assay showed that JXR extract had distinct effect on scavenging free radicals; reducing power and ferricreducing-antioxidant power assay showed that JXR extract possessed redox ability; β-Carotene bleaching assay and antioxidant activity in a linoleic acid system using ferric thiocyanate method, thiobarbituric acid assay indicated that JXR extract could effectively inhibit lipid peroxidation, and the effect was better than that of Vitamin C. CONCLUSION JXR extract has significant antioxidant capacity in vitro.
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