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。
Taurine possesses protective activity against cadmium-induced DNA damage and hydroxy radical scavenging activity in vitro.
牛磺酸在体外对氯化镉引起的DNA损伤有预防作用。
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。
Changes of the amount of total phenolic compounds, total flavones and percent of DPPH scavenging activity in different kinds of vinegar were analyzed.
总酚含量、总黄酮含量可作为评价食醋抗氧化性的指标，总酚含量、总黄酮含量、DPPH自由基清除率可作为鉴别不同品种食醋的指标。
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。
For the active ingredient of Corydalis, active ingredients with DPPH free radicals scavenging activity and tyrosinase inhibitory activity were studied.
本实验对延胡索成分对DPPH自由基清除活性与酪氨酸酶抑制活性做了初步研究。
Radical-scavenging activity composition in traditional Chinese medicine and marine medicine had many pharmacology effects and wild clinical application.
中药、海洋药物中含有的具有清除自由基能力的活性成分，具有广泛的药理作用和临床应用。
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。
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。
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。
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。
An ethyl acetate extract of Hengshun aromatic vinegar (he) exerted a weak radical scavenging activity, and the main components were phenolic and acidic compounds.
恒顺香醋乙酸乙酯萃取物具有弱自由基清除活性，主要清除活性成分为酚性和酸性化合物。
The different DH of walnuts peptides has different ability to scavenge hydroxyl radicals. The results showed that when DH is 5% the scavenging activity is 50.90%.
不同水解度的蛋白多肽清除羟自由基能力不同，结果表明水解度5%时，自由基清除率最高可达50.90%。
Scavenging activity of four natural flavonoids to 2,2-diphenyl-1-picrylhydrzyl free radical(DPPH) was studied by cyclic voltammetry and differential pulse voltammetry.
采用循环伏安法、示差脉冲伏安法对四种天然黄酮类化合物清除二苯代苦味肼自由基（DPPH）的能力进行了探讨。
These results suggest that sulfation can improve the free radical scavenging activity of Ziziphus jujube fruit polysaccharide and lead to the generation of new activity.
因此对红枣多糖进行硫酸化修饰，可以提高其自由基清除活性并产生新的活性。
The antioxidant activities of extracts from vinegar pickled garlic were determined by two methods: inhibition of lipid peroxidation and scavenging activity against DPPH.
采用DPPH法和抑制脂质过氧化法考察了醋蒜提取物的抗氧化活性。
They were exploring ways to help keep strawberries fresh during storage. Treating the berries with alcohol increased in antioxidant capacity and free radical scavenging activity, they found.
他们本来在寻找让草莓保持新鲜的储存方法。他们发现，给浆果加一点酒精能增加抗氧化能力并且清除自由基。
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。
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。
The phenolic hydroxyl compounds usually have activity scavenging O -· 2.
酚羟基化合物往往具有清除O-·2 作用。
Conclusion Edaravone has brain protective effects on intracerebral hemorrhage rats by scavenging MDA, increasing the SOD activity and inhibiting brain edema.
结论依达拉奉能降低实验性脑出血大鼠脑组织MDA含量、提高SOD活力、减轻脑水肿，对实验性脑出血大鼠有脑保护效应。
The results indicated that cherry fruit wine had a strong antioxidation activity and total phenol content was positively related to free radicals scavenging effects of cherry fruit wine.
结果表明，樱桃酒具有较强的抗氧化性，樱桃酒清除自由基能力与总酚的含量呈正比。
The results indicated that cherry fruit wine had a strong antioxidation activity and total phenol content was positively related to free radicals scavenging effects of cherry fruit wine.
结果表明，樱桃酒具有较强的抗氧化性，樱桃酒清除自由基能力与总酚的含量呈正比。
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