Activity of SOD was detected by xanthine oxidase technique .

采用黄嘌呤氧化酶法测定SOD活性；

Xanthine oxidase is an enzyme involved in the production of uric acid.

黄嘌呤氧化酶是一种与尿酸生成相关的酶.

Objective: To study the inhibitory effect of rosmarinic acid on xanthine oxidase .

目的：研究迷迭香酸对黄嘌呤氧化酶的抑制作用。

METHODS: Reduction of chemiluminescence worked as an index of activity with xanthine-xanthine oxidase-luminol system as superoxide radicals generating system.

方法：以黄嘌呤-黄喋呤氧化酶-鲁米诺体系作为超氧阴离子的产生体系，以化学发光的降低作为检测活力的指标。