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根据近期的日本有关文献,就某些中药方剂对机体氧游离基(OFR)生成系统的抑制和清除作用,试简要综述如下。一、氧游离基的病理生理作用氧游离基又称氧自由基或活性氧,包括超氧阴离子(O_2~-)、过氧化氢(H_2O_2)、羟自由基(·OH)等类不稳定活性物质,长期以来,已经公认OFR是机体衰老的原因之一。近年逐步发现,OFR主要自中性粒细胞产生,并且
According to the recent Japanese literature, the inhibition and scavenging effects of certain Chinese herbal formulas on the body’s oxygen free radical (OFR) production system are summarized briefly below. First, the pathophysiology of oxygen free radicals Oxygen radicals, also known as oxygen radicals or reactive oxygen species, including superoxide anion (O_2 ~-), hydrogen peroxide (H_2O_2), hydroxyl radical (· OH) and other unstable activities Substances have long been recognized as one of the causes of body aging. In recent years, gradually found that OFR mainly from neutrophils, and