Abstract
This study examined the extraction yields, total phenolic compounds content and the antioxidant activities on V79-4 cells of white ginseng extracts prepared by enzyme treatment. Yields of crude extract were 29.5-76%, and total phenolic compounds content showed 0.45-2.2% according to enzyme treatments. Pectinase treatment group showed the highest values of extraction yields and total phenolic compounds content. Pectinase and a-amylase treatment groups protected V79-4 cell viability(above 50%) against -induced oxidative damage. In the result of antioxidant enzyme activity evaluation in cells, enzyme treatments did not show the significant difference of SOD activity (p>0.05). However, pectinase treatment group exhibited increased CAT and GPx activities (p>0.05). Also, pectinase and protease treatment group inhibited MDA formation (>50%) in the lipid peroxidation protection experiment.
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