Fig. 3
From: Synthetic and natural antioxidants attenuate cisplatin-induced vomiting
DPPH free radical scavenging assay in vitro showing absorbance of N-(2-mercaptopropionyl) glycine (MPG), vitamin C (Vit-C), grape seed proanthocyanidin (GP), B. monnieri n-butanolic fraction (BM-ButFr) or standard (butylated hydroxytoluene: BHT) against their respective concentrations. Data are presented as mean ± SD of three separate experiments