用1,1 二苯基 2 苦基肼(DPPH)自由基捕获、亚硝基R盐 Co3+褪色、连苯三酚红等3种分光光度法对3种野生植物抗氧化剂的对自由基的作用进行了分析检测及方法比较研究。3种分光光度法对自由基的分析检测及抗氧化剂的抗自由基性能检测方法,对于普通实验室检测自由基或相关的研究工作具有很好的实用性。没食子酸丙酯及葡萄籽提取物的抗氧化性要优于灯盏花素提取物。对自由基的清除率可以达到40%～80%,具有很好的抗氧化能力及氧自由基清除作用。 The effects of antioxidants on the free radicals of three species of wild plants were determined by three spectrophotometric methods: 1,1-diphenyl-2-picrylhydrazide (DPPH) free radical catalysis, nitroso-R salt Co3 + fading and pyrogallol red Analysis and testing methods and comparative study. The three spectrophotometric methods for the determination of free radicals and the anti-free radical performance of antioxidants are very useful for the routine laboratory detection of free radicals or related research work. Propyl gallate and grape seed extract antioxidant better than breviscapin extract. Free radical scavenging rate can reach 40% to 80%, with good antioxidant capacity and oxygen free radical scavenging effect.