Fig. 3From: Optimization of Eugenia punicifolia (Kunth) D. C. leaf extraction using a simplex centroid design focused on extracting phenolics with antioxidant and antiproliferative activitiesContour and three-dimensional for the analysis of the model’s response surface predicted for EC50 (a), HEp-2 (b) and mononuclear cell viability (c)Back to article page