与对照相比抗羟自由基能力提高了39。
In compared with the control, the scavenging rate of · OH were increased by 39.
目的研究百合多糖对羟自由基的清除作用。
Objective To study the clearing of hydroxyl free base with lily polysaccharide.
龙井茶水提液对羟自由基具有较强的清除作用。
It was demonstrated that the water extractant of Longjing tea had powerful ability to clear off hydroxyl radicals.
羟自由基清除剂硫脲对该体系的抑制作用明显。
The specific scavenger of hydroxyl radical, thiourea, showed clear inhibitory effect on the system.
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。
ObjectiveTo study the extraction and identification of total flavonoids from Eriocaulon buergerianum Koern and its Scavenging activity on hydroxyl free radical.
建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。
A new method of determining the antioxidant activity of betulin from betula bark is established.
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。
There are close connection between the hydroxyl radical scavenging activity and flavonoids content or polyphenols content.
目的探讨左旋多巴治疗帕金森病诱发羟自由基增高的机制与防治的药物。
Objective To investigate the mechanism and prevention of increasing hydroxyl radical induced by L-DOPA treatment in Parkinson's disease.
比色法测定prl对羟自由基诱导红细胞溶血、脂质过氧化反应的影响。
Effect of PRL on red blood cell hemolysis and lipid peroxidation induced by hydroxyl free radical were analysed by colorimetric assay.
目的建立同时监测脑透析液中羟自由基和单胺类递质及其代谢产物水平的方法。
Aim To establish the method of simultaneous measurement of hydroxyl free radical and monoamines neurotransmitters and their metabolites from brain dialysates of rats.
目的:本实验旨在研究生脉饮能否通过抗氧化作用(清除羟自由基)保护红细胞膜。
Objective: the experiment is meant to investigate whether the Shengmai Drink has the function of protecting red blood cell membrane by way of anti - oxidation (clearing away the hydrogen radicals).
试验采用索氏提取法从生当归和酒当归中提取有效成分,测定抑制羟自由基的能力。
This experiment used the rope extraction process from the Chinese angelica and the liquor Chinese angelica withdraws the effective component, determination, the hydroxy free radical ability.
推测电离辐射的上述生物学效应正是由辐照细胞生成的超氧阴离子和羟自由基引起的。
It was suggested that those biological effects were caused by superoxide anions and hydroxyl radicals produced in irradiated cells.
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。
The scavenging effects of strawberry EDTA extract and water extracts from carambola, kidney, chilli, cauliflower on hydroxyl radical(·OH)were studied by spetrophotometry.
隐囊蕨的黄酮提取液对羟自由基、超氧自由基有良好清除作用,并能有效阻断猪油的氧化。
The flavonoids extract can scavenge Oxygen and Hydroxy free radicals, and can stop the oxidation of the lard effectively.
过氧化氢酶对羟自由基所致DNA损伤的抑制作用显著,而超氧化物歧化酶无明显抑制作用。
The DNA damage induced by hydroxyl radicals was completely prevented by catalase, whereas superoxide dismutase was much less effective.
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。
About activity of scavenging hydroxyl free radical, distilled liquid by using methanol is observably higher than that getting by using ethanol or ddH20.
与WPC相比,SWPC清除羟自由基的能力显著提高,但清除超氧阴离子自由基的能力有所下降。
Compared with WPC, the effect of SWPC on scavenging hydroxyl radicals had been improved a lot, while diminished on scavenging superoxide anion radicals.
结论在实验条件下,缬草醚酯提取物对DPPH自由基、羟自由基、超氧阴离子有较好的抑制作用。
ConclusionThe extract has good scavenging effect on DPPH ·, OH · and O2 - · under the condition of experiment.
实验结果表明,超声波法可以提高山苍子油的得率,山苍子粗油可以有效清除羟自由基、超氧自由基。
The results showed that the extracting rate of Litsea Cubeba oil was enhanced by ultrasonic, and Litsea Cubeba oil has a great effect on the elimination of free radical.
利用芬顿反应产生的羟自由基·oh处理或氧化水中有机污染物,已成为一种有前途的高级氧化法之一。
The organic pollutant is disposed or oxidized by hydroxyl radical · OH in Fenton, it is one of AoPs.
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。
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.
用超声波法对蚂蚁有效成分进行提取,研究了蚂蚁提取液中微量元素的含量,以及对羟自由基的清除作用。
Distilled the effective component from ant by ultrasonic. Studied the content of trace element of ant's distillation and its elimination of hydroxyl radicel.
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%。
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%.
应用高效液相色谱测定纹状体和海马羟自由基(OH· )、三磷酸腺苷(ATP)和多巴胺(DA )含量。
The striatum, hippocampus hydroxyl free radical(OH ·), ATP content and DA were determined by high performance liquid chromatography(HPLC).
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 effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
摘要:本文就富锌香菇菌丝体的不同溶剂提取物对氧自由基、羟自由基的抑制能力和T - SOD活力进行了测定。
Abstract: This paper researched the clearing ability of different extracts of zinc-rich mushroom mycelium on oxygen free radicals and hydroxyl radicals and on T-SOD activity.
方法:采用体外氧自由基生成系统和羟自由基诱导的小鼠肝匀浆脂质过氧化反应,评价炮制对桂枝抗氧化作用的影响。
Method: the oxygen free radicals generation system in vitro and mouse liver homogenate lipid peroxidation reaction induced by hydroxy free radicals were used to estimate the effects.
方法:采用体外氧自由基生成系统和羟自由基诱导的小鼠肝匀浆脂质过氧化反应,评价炮制对桂枝抗氧化作用的影响。
Method: the oxygen free radicals generation system in vitro and mouse liver homogenate lipid peroxidation reaction induced by hydroxy free radicals were used to estimate the effects.
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