Fig. 3From: Optimization protocol for the extraction of 6-gingerol and 6-shogaol from Zingiber officinale var. rubrum Theilade and improving antioxidant and anticancer activity using response surface methodologyResponse surface plot showing the effect of extraction temperature and time on antioxidant activity (DPPH) in Z.officinale var. rubrum Theilade rhizome extractsBack to article page