4FANG Y Z, YANG S, WU G Y. Free radicals, antioxidants, and nutrition [J]. Nutrition, 2002, 18 (10): 872-879.
5FERESIN G E, TAPIA A, GUTIIERREZ R A, et al. Free radical scavengers, anti-inflammatory and analgesic activity of Acaena magellanica[J]. Journal of Pharmacy and Pharmacology, 2002, 54(6): 835-844.
6SIDDHURAJU P, BECKER K. The antioxidant and free radical scavenging activities of processed cowpea (Vigna unguiculata (L.)Walp.) seed extracts[J]. Food Chemistry, 2007, 101: 10-19.
8TSUDA T, WATANABE M, OHSHIMA K, et al. Antioxidative activity of the anthocyanin pigments cyanidin 3-O-betad-glucoside and cyanidin[J]. Journal of Agricultural and Food Chemistry, 1994, 42(11): 2407-2410.