1) hydroxyl radical scavenger
清除自由基物质
1.
Extracellular hydroxyl radical scavengers produced by white-rot fungus;
99 g/L,其清除羟自由基的单位能力同天最大提升7%,说明木质纤维素白腐菌降解与清除自由基物质的产生及白腐菌自身防御机制有一定的关联。
2) free radical scavenging
自由基清除
1.
The abilities of genistein and quercetin and their derivatives in free radical scavenging of ·OH and·O2-and DPPH were exploited by using Fenton reaction with O-phenanthroline chromogenic reaction,pyrogallol autoxidation method and UV-vis spectrophotometry,respectively.
因此,染料木素铬和槲皮素铬配合物是一类高活性、高稳定性自由基清除剂或与自由基相关疾病新药的候选物,值得进一步研究。
2.
Wei in free radical scavenging of ·DPPH,O2-·and ·OH was investigated.
丰城鸡血藤不同提取物黄酮组成和含量存在差异,其自由基清除活性也有所不同,提示它们的自由基清除作用机制和生物活性可能存在差异。
3.
OH free radical scavengingability as evaluating index and screening model and exploiting orthogonal experiment design to optimize the formula.
选用核桃仁、莲子、芦荟全叶冻干粉、蔬果提取物(桂圆、胡萝卜、红枣、银耳)、珍珠粉为原料 ,强化VE、VC,以产品羟基自由基清除能力为评价指标和筛选模型,采用正交试验方法对产品配方进行优化,研制一种具有祛黄褐斑功能的蔬果胶囊产品。
3) radical scavenging
清除自由基
1.
Extraction and radical scavenging activities of resveratrol from peanut root;
花生根中白藜芦醇的醇提工艺及清除自由基研究
2.
The free oxygen radical scavenging effects of agar oligomers were studied by the method for determination of Luminesecence and DPPH assay.
对不同的聚合度、含硫量和摩尔浓度的琼胶低聚糖的清除O2·-的活性进行比较,实验发现含硫量高、分子量大的低聚糖在清除自由基过程中发挥主要作用。
3.
The antioxidative properties and radical scavenging activity of γ oryzanol were attributed to its ferulic acid residue.
γ 谷维醇的抗氧化及清除自由基的能力 ,主要来自于阿魏酸基团 。
4) free radical scavenging
清除自由基
1.
In vitro studies on the free radical scavenging capacity of extract from perilla frutescens.;
紫苏提取物体外清除自由基能力的研究
2.
Antioxidant and free radical scavenging activities of extracts from Daphne odora var. marginata
金边瑞香提取物抗氧化及清除自由基活性研究
3.
Study on antioxidant and free radical scavenging activities of genistein acetylferulic acid esters
染料木素乙酰阿魏酸酯抗氧化及清除自由基活性研究
6) scavenging free radical
清除自由基
1.
Study on purification and scavenging free radical effects of Polysaccharides from Litchi
荔枝多糖的分离纯化及清除自由基作用研究
2.
The effects of the sort and initial concentration of nitrogen source,carboo source,metal ion and fat acid on submerged fermentation of Ganoderma lucidum for production of bioactive metabolites scavenging free radical were studied.
lucidum)为实验菌株,对其液体发酵活性产物清除自由基的发酵条件进行了研究。
3.
Objective To study the component, structure of seaweed sulfated polysaccharides iron complex (SPIC) and its activity of scavenging free radicals.
二者都有清除自由基的作用,但SPIC对超氧自由基的清除作用更强,而对羟自由基清除作用减弱。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条