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羟自由基(·OH)是一种普遍参与到人体生命代谢活动中的毒性最强、危害最大的活性氧自由基,探索天然抗氧化剂是生命科学研究领域的重要课题[1]。茶叶中丰富的天然抗氧化基团可清除羟自由基,延缓人体衰老[2]。花茶作为茶类的一种,具有良好的食用保健功效和抗氧化性能,许多花卉更是中药材食品和保健品的原料。目前羟自由基清除法是体外测定物质总抗氧化能力的常用方法,如化学发光法、荧光分
Hydroxyl radical (· OH) is a kind of active oxygen free radical that is generally the most toxic and damaging to human life metabolic activity. Exploring natural antioxidants is an important topic in the field of life science research [1]. Rich natural antioxidants in tea can eliminate hydroxyl radicals, delay human aging [2]. Flower tea as a kind of tea, has good edible health effects and antioxidant properties, many flowers are more Chinese herbal medicines and health products raw materials. At present, hydroxyl radical scavenging assay is a commonly used method to determine total antioxidant capacity in vitro, such as chemiluminescence, fluorescence