氧自由基与激活肿瘤发生及促进肿瘤初始细胞启动有关。氧自由基清除剂可抑制人和动物体内癌的发生。作者研究了具有免疫调节作用的南非醉茄对二甲基苯并蒽(DM-BA)致癌作用的抑制。粉碎的该植物根用70%甲醇提取24h,离心后取上清液,减压蒸干并悬浮于含1%阿拉伯树胶的磷酸缓冲液(pH 7.2)中备用。Swiss 小鼠分为2组,每组12只。第1组每次腹腔注射20 mg 的提取物,连续5 Oxygen free radicals are involved in activating tumorigenesis and promoting initiation of tumor cells. Oxygen radical scavengers inhibit the occurrence of cancer in humans and animals. The authors studied the immunomodulatory effect of Ashwagandha on the carcinogenic effects of dimethylbenzopyrene (DM-BA). The crushed plant root was extracted with 70% methanol for 24 hours, centrifuged, and the supernatant was removed, evaporated to dryness under reduced pressure and suspended in a phosphate buffer (pH 7.2) containing 1% gum arabic for use. Swiss mice were divided into 2 groups of 12 in each group. Each group was injected with 20 mg of the extracts in a continuous manner.