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 article studied the extracting method of fucoidin from kelp and influences of factors on its free radical scavenging activity.
以海带为原料提取褐藻糖胶，并初步研究了一些因素对褐藻糖胶的自由基清除能力的影响。
However, almost non free radical-scavenging activity was observed on parts extracted with water and its sub- fractions extracted by several organic solvents.
但热水浸提的茶花产物及其有机溶剂萃取层并没有显示自由基清除能力。
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