1) DPPH free radical scavenging assay
DPPH自由基清除法
1.
The antioxidant activities of compounds were evaluated by DPPH free radical scavenging assay.
综合运用现代色谱学和光谱学方法对金钗石斛60%乙醇提取物中的化学成分进行分离鉴定,采用DPPH自由基清除法评价化合物的抗氧化活性。
2) DPPH scavenging activity
DPPH自由基清除活性
1.
Changes of the amount of total phenolic compounds,total flavones and percent of DPPH scavenging activity in different kinds of vinegar were analyzed.
测定了不同品种食醋中酚类、黄酮类化合物含量及DPPH自由基清除活性,并分析了总酚、总黄酮含量与DPPH自由基清除活性的相关性。
2.
Changes of amount of total phenolic compounds, total flavones and percent of DPPH scavenging activity during vinegar production were studied in this paper.
文中研究了镇江香醋生产过程中抗氧化性成分酚类、黄酮类化合物含量及DPPH自由基清除活性的变化,并分析了总酚、总黄酮与DPPH自由基清除活性的相关性。
3) scavenging DPPH· effect
清除DPPH.自由基能力
4) DPPH radical
DPPH自由基
1.
Purification of DDMP saponin βg from soybean hypocotyl and its scavenging capacity against DPPH radical;
大豆胚轴中DDMP皂甙βg的纯化及其清除DPPH自由基能力
2.
The NaNO_2 and DPPH radical scavenging activity of the essential oil were determineted.
对水蒸气蒸馏得到的香菜挥发油的功能性进行了研究,测定了香菜挥发油清除NaNO2和DPPH自由基的能力,研究结果显示,香菜精油具有很强的清除NaNO2和DPPH自由基能力。
3.
DPPH radical scavenging activities of different polar extracts in vinegar were studied,and total phenolic content was determined.
研究了镇江香醋中不同极性组分对DPPH自由基的清除活性,并测定了各极性组分中的总酚含量。
5) DPPH
DPPH自由基
1.
Study on DPPH radical scavenging capacity of Hengshun aromatic vinegar;
恒顺香醋DPPH自由基清除活性成分研究
2.
DPPH RADICAL SCAVENGING CAPACITY OF ACETACETIC ESTER EXTRACTS FROM HENGSHUN AROMATIC VINEGAR;
恒顺香醋乙酸乙酯萃取物DPPH自由基清除活性的研究
3.
Furthermore, the antioxidant capacity based on the ability to scavenge the 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical of ESFs was investigated.
进一步采用清除DPPH自由基能力的方法测定红花提取物的抗氧化能力。
6) DPPH free radical
DPPH自由基
1.
Research on the scavenging effect of extracts from the pollen of Populus euphratica Oliv on DPPH free radical;
胡杨花粉提取物清除DPPH自由基作用的研究
2.
Comparative research on ginkgo extracts scavenging DPPH free radical by different preparation methods;
不同预处理方法对银杏提取液清除DPPH自由基的比较研究
3.
Scavenging effect of Physalis alkekengi extractive on DPPH free radicals;
锦灯笼提取物对DPPH自由基清除作用的探讨
补充资料：N,N-二苯基N′-苦味基肼基自由基
分子式：
CAS号：
性质：一种稳定的自由基。紫色晶形固体。熔点130℃。室温下可长期稳定保存。DPPH可作为自由基检测试剂。当其与反应中产生的简单自由基结合时，可观察到紫色消失。
CAS号：
性质：一种稳定的自由基。紫色晶形固体。熔点130℃。室温下可长期稳定保存。DPPH可作为自由基检测试剂。当其与反应中产生的简单自由基结合时，可观察到紫色消失。
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参考词条