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pp.431-439
This study was conducted to examine the antioxidant activities and physiological activities of mixture extracts (Liriope platyphylla, Schizandra chinensis and Panax ginseng C.A. Meyer) with different extraction mixing ratios (MEC, 2:1:1; ME1, 1:2:1; ME2, 1:1:2; ME3, 1.34:1.33:1.33). The yield of extracts ranged from 25.33 to 33.87%. The total polyphenol and total flavonoid contents of ME1 extracts were 1.01 g/100 g, 0.07 g/100 g, respectively. The total sugar contents of MEC extract was 22.83 g/100 g, respectively. The DPPH and ABTS radical scavenging activities of ME1 extracts at 1,000 μg/mL were 26.79% and 21.08%. The superoxide radical scavenging and ferric-reducing antioxidant power of ME1 extracts at 1,000 μg/mL were 67.83% and 295.47 μM, respectively. The functionalities of extracts were investigated with L-132 and RAW264.7 cell lines. The extracts on different mixing ratios did not show the toxicity on L-132 and RAW264.7 cell line in 100-2,500 μg/mL. The ME1 extract of 1,000 μg/mL performed better than other extracts protective effects against oxidative stess in L-132 cells (81.22%) and the ME2 extract at 1,000 μg/mL decreased nitric oxide production by 7.48 μM which was more potent than other extracts. There results suggest that the ME1 extracts may be a useful functional food material in the food industry.
