Then the antioxidant effects of the low-molecular-weight Tremella fuciformis polysaccharides (LTPs) obtained were investigated via the determination of DPPH radical scavenging activity in vitro.
通过对DPPH 自由基清除作用，表征低分子水溶性银耳多糖抗氧化活性的变化。
参考来源 - 酸降解水溶性银耳多糖及抗氧化作用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Effects of ethanol concentration and reaction time were compared on DPPH free radical scavenging activity of egg white protein hydrolysates in this paper.
对比分析乙醇浓度和反应时间对四种蛋清蛋白酶解物清除DPPH自由基活性的影响情况。
The results show that all the extracts of Magnolia Officinal obtained with different extraction solvents have scavenging effects on DPPH radical and ethanol extracts show the highest activity.
结果表明：不同溶剂厚朴提取物对DPPH自由基均有清除作用，其中以乙醇提取物清除能力最强。
Hydrolysable tannins and myricetin derivatives possessed potent DPPH free radical scavenging activities, and only myricitrin showed weak tyrosinase- inhibiting activity.
结果显示水解单宁和杨梅素衍生物具有较强的自由基清除活性，杨梅苷显示出微弱的酪氨酸酶抑制活性。
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