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Antioxidant activity of ZEF, ZBF, ZWF, BHT, and EGCG and inhibition of 4T1 cell growth by ZEF, ZBF, and EGCG
(a) DPPH scavenging activity; (b) ABTS scavenging capacity; (c) FRAP. ZEF, ZBF, and ZWF are extracted from Zhangping Narcissus tea cake by ethyl acetate, n-butanol, and water, respectively. BHT and EGCG are the positive controls. Error bars indicate the standard deviations (n=3)
