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Effects of ARF, related fractions and representative flavonoids on the proliferation of (A and C) HCT-116 and (B and D) HT-26 human colorectal cancer cells. Cells were treated with (A and B) ARF, BF, SbE, or (C and D) flavonoids for 48 h and then assayed using the MTS method. Data are presented as the means ± SE of triplicate experiments. *P<0.05, **P<0.01, vs. control.
