All degraded carboxymethyl chitosans show certain hydroxyl radical scavenging activity, but the antioxidant activity is stronger at lower molecular weight.
经降解得到的羧甲基壳聚糖均具有一定的羟基自由基清除活性，且分子量越小，其抗氧化性能越强。
Hazelnut shell brown pigment oxidation in vitro experiments showed that the pigment had scavenging effects on hydroxyl radical, superoxide anion radical and aliphatic radicals on lipid-per oxidation.
榛子壳棕色素的体外抗氧化性实验表明：其对羟基自由基、超氧阴离子自由基有很好的清除效果，对脂质体过氧化也具有一定的抑制作用。
The scavenging effects of strawberry EDTA extract and water extracts from carambola, kidney, chilli, cauliflower on hydroxyl radical(·OH)were studied by spetrophotometry.
本文研究了草莓、杨桃、豆角、辣椒、菜花等的提取物对羟自由基（·OH）的清除作用。
There are close connection between the hydroxyl radical scavenging activity and flavonoids content or polyphenols content.
提取物中总黄酮和多酚类物质的含量与清除羟自由基能力有密切关系。
About activity of scavenging hydroxyl free radical, distilled liquid by using methanol is observably higher than that getting by using ethanol or ddH20.
在清除羟自由基的活性上，类黄酮化合物甲醇提取液要明显的高于乙醇和水提取液的清除活性。
ObjectiveTo study the extraction and identification of total flavonoids from Eriocaulon buergerianum Koern and its Scavenging activity on hydroxyl free radical.
目的探讨谷精草总黄酮的提取、鉴别及对羟自由基的清除作用。
The scavenging capacities of the hydrolysates of WPI catalysted by papain and trypsin on DPPH free radical, superoxide and hydroxyl free radical are stronger than those of the hydrolysates of chymo…
超氧阴离子自由基、羟基自由基的清除能力和还原能力强于胰凝乳蛋白酶酶解物和胃蛋白酶酶解物。
Glycoprotein on the organic free radical (DPPH) and hydroxyl radical scavenging effect significantly, and with the increase of concentration of PDGP, scavenging ability increased.
玉竹糖蛋白对有机自由基(DPPH)和羟基自由基有明显的清除作用，并且随着PDGP质量浓度的增加，清除能力增强。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
研究2-乙基-3-羟基-6-苯硫基-4（1H）-吡啶酮（HPP）对羟自由基和超氧阴离子自由基的影响。
The effect of selenonic protein were studied on the hydroxyl radical scavenging with ESR, compared with SOD and polyhends of tea.
用ESR技术研究含硒蛋白抗羟基自由基作用的活性。
The results of antioxidation experiment showed that MLE was strong scavenging hydroxyl-radical agent, which was capable of scavenging hydroxyl-radical effectively and putting off its attack.
抗氧化实验结果表明，桑叶提取物能有效地清除羟自由基和延迟羟自由基攻击，是强的羟自由基清除剂。
And the scavenging effects of extracts on hydroxyl radical-mediated 2-deoxyribose degradation were studied.
同时评价了其对羟基自由基介导的2-脱氧核糖裂解的保护作用。
And the scavenging effects of extracts on hydroxyl radical-mediated 2-deoxyribose degradation were studied.
同时评价了其对羟基自由基介导的2-脱氧核糖裂解的保护作用。
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