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Figure 1: Inhibitory effect of quercetin on cell viability of human colon cancer cells. (a) Chemical structure of quercetin; (b) human colon cancer CACO-2 and SW-620 cells were treated with quercetin with designated concentrations, and cells viability were detected using Cell Counting Kit-8 assay at 6 h (diamond) and 24 h (triangle) |
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