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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: J Food Biochem. 2018 Jan 18;42(3):e12496. doi: 10.1111/jfbc.12496

Fig. 2. Concentration range impact of tea polyphenols on A549 cell viability.

Fig. 2

A549 cells were exposed to tea polyphenols (0 to 100 μg/mL) for 24 hours and viability assessed using the CCK-8 assay. The percent viability is graphed and each bar represents the mean ± SD with n = 6 samples per condition. The asterisks indicate statistically significant differences between exposed and control cells (*) P< 0.05.