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Cell survival rate (%) after 24 h was measured by CCK-8 assay in HFDPC treated with Platycarya strobilacea S. et Z. extract (4.9 ppm, 9.8 ppm, 19.5 ppm, 39.1 ppm, 156.3 ppm, 625.0 ppm, 2,500.0 ppm, and 10,000.0 ppm). Values are expressed as the mean±SE of triplicate measurements.
