采用 Na2S2O 4-Na H-Luminol 发光体系, 应用智能化学发光法对 16 种伞形科药用植物提取物的自由基清除能力和对酪氨酸酶的抑制能力进行筛选。 实验结果表明这些伞形科药用植物大都具有清除自由基的作用, 其中羌活(Notopterygium forbessiide Boiss.)的“ SOD 样作用” 达到29.67 U/ mg(原生药量), 提示这些植物具有稳定的非酶类清除自由基物质, 并且“ SOD 样作用” 强弱与其对酪氨酸酶的抑制能力呈明显正相关。
 

The effect of free radical (O^·2)in human body has been well known  in damaging the membrane causing diseases. Luminol-Na2S2O4-NaOH was used by CAD-Chemiluminescence to determine the scavenging of free radical (O·2)by sixteen species of commonly used Umbelliferae medicinal plants .The results indicated that these plants have significant scavenging effect on free radical (O^·2), the efficacy of scavenging (SOD-like activity)has close correlation with the tyrosinase inhibition .