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为了研究姜、蒜对活性氧（O2）的抑制作用，测定了不同浓度及不同温度下姜汁和蒜计对黄嘌呤氧化酶系统所产生O2的抑制率；测定了姜汁、蒜汁对小鼠离体血清和肝匀浆超氧化物歧化酶（SOD）活力和丙二醛（MDA）含量的影响。表明：姜汁和蒜汁可以使离体血清和肝匀浆SOD活力显著增加，血清MDA含量明显降低。姜汁、蒜汁虽能使肝匀浆MDA含量降低，但无统计学意义。说明姜和蒜对O2有抑制作用，可以做为一种自由基清除剂。
In order to study the inhibitory effect of ginger and garlic on reactive oxygen species (O2), the inhibitory rates of O2 produced by xanthine oxidase system in ginger juice and garlic were determined at different concentrations and temperatures; the ginger juice and garlic juice were tested Effects of Isolated Serum and Liver Homogenate Superoxide Dismutase (SOD) Activity and Malondialdehyde (MDA) Content. The results showed that ginger juice and garlic juice can significantly increase SOD activity in serum and liver homogenate, and the serum MDA content decreased significantly. Although ginger juice and garlic juice can reduce the content of MDA in liver homogenate, it was not statistically significant. This shows that ginger and garlic have inhibitory effects on O2 and can be used as a free radical scavenger.