1.Results: The two extractives of Physalis alkekengi had a strong scavenging effect on DPPH free radical.
结果：锦灯笼乙醇和甲醇提取物对DPPH自由基的清除作用随浓度的增加而增大。
2.The antioxidant activities of each extract from two Juncaceae plants were determined by using DPPH free radical scavenging method.
采用DPPH法对两种灯心草属植物不同溶剂提取物进行抗氧化活性研究。
3.The scavenging capacities on DPPH radical and antioxidative activities to lard oil of the acidolysis products were improved obviously.
酸解产物清除DPPH自由基的能力和对猪油的抗氧化作用均有明显提高。
4.Moreover, this polysaccharide revealed strong scavenging activities against hydroxyl free radicals and DPPH free radicals.
抗氧化活性研究表明该酸性多糖具有显著的DPPH自由基和羟自由基清除活性。
5.Thus, it is efficient to improve scavenging DPPH radical activity of the hydrolysates of silver carp protein by maillard reaction.
鲢鱼鱼肉蛋白的碱性蛋白酶酶解物在一定条件下与葡萄糖反应可以提高其清除DPPH自由基能力。
6.DPPH method Blueberry extract of red beans in the DPPH radical inhibition with higher concentrations of samples increased.
DPPH方法中红豆越橘提取物对DPPH自由基的抑制作用随样品的浓度升高而升高。
7.Bamboo extract on the DPPH radical inhibition with higher concentrations of samples increased.
竹叶提取物对DPPH自由基的抑制作用随样品的浓度升高而升高。
8.The effects of iron level in diatomite and pH value of beer on antioxidative activity of beer is studied in this paper by DPPH-spectroscopy.
本文采用DPPH分光光度法，研究了硅藻土的铁离子含量和啤酒pH值在过滤阶段对啤酒抗氧化力的影响。
9.The main result is as follow: 1. Carried out the concentration of tea infusion clearance of DPPH free radical screening research.
主要结果如下：1。开展了茶汤清除DPPH自由基的浓度筛选研究。
10.The antioxidant activities in rapeseed oil and lard were determined with oven-storage.
OH和DPPH。均具有一定抗氧化作用，并且能很好地抑制菜籽油和猪油氧化。