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. 2020 Feb 18;9(2):166. doi: 10.3390/antiox9020166

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Intracellular ATP content, cell number (PI) and total protein levels of 3T3 and HaCaT cells with dose-response fitting: (a,b) cytotoxic effects of A. vulnearia on 3T3 and HaCaT cells; (c, d) cytotoxic effects of F. magellanica on 3T3 and HaCaT cells; (e,f) cytotoxic effects of F. triphylla on 3T3 and HaCaT cells; (g,h) cytotoxic effects of L. nummularia on 3T3 and HaCaT cells. Data are expressed in % of the control. Mean ± SD of 5 independent experiments, n = 5 × 8 replicates for each concentration. Dose-response curves were created by log10 transformation and nonlinear curve fitting. Correlation coefficients (R²) were calculated for each treatment.