The evaluation to DPPH.scavenging activityAs the double series shown in Fig.2, the higher thepigment’s concentration was, the better the DPPH.scavenging activity was, and the pigments of differentconcentration had a very significantly different antioxidantactivity (P<0.01). The synergism of the pigmentand Vc showed significantly higher DPPH.scavengingactivity than only the pigment of the same concentrationand the activity of the pigment in 0.5 mg mL-1 withVc was higher than that of 0.1 mL Vc in 0.1 mg mL-1,but, if only the pigment was used, the activity of thepigment in 5 mg mL-1 was more than that of Vc. Sosynergism of the pigment with Vc could significantlyheighten DPPH-scavenging activity
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