天然抗氧化剂

目的：研究天然抗氧化剂与DNA的相互作用。

AIM : To study the interaction between natural antioxidants and DNA .

天然抗氧化剂与DNA的相互作用的研究

Studies on the Interaction between Natural Antioxidants and DNA

它属于维生素B类化合物，是一种天然抗氧化剂。

It belongs to vitamin B compounds , is a natural anti-oxidants .

几种天然抗氧化剂对DNA氧化损伤的保护作用

Protection of Several Nature Antioxidants to Oxidative DNA Damage

维生素E是一种极好的天然抗氧化剂。

V-E is a kind of good natural anti-oxidoreductase .

天然抗氧化剂控制草莓加工中VC损失效应研究

Study on Natural Antioxidant Control of VC Loss in Strawberry Processing

天然抗氧化剂丹参酮Ⅱ&A对肝细胞脂质过氧化产物与DNA相互作用的影响

Effect of natural antioxidant tanshinone ⅱ - a on interaction of lipid peroxidation products and DNA in liver cells

研究证明天然抗氧化剂阿魏酸（Ferulicacid）能够清除体内过多自由基，治疗由自由基引发的多种疾病。

Natural antioxidant ferulic acid can scavenge free radicals and remedy the diseases caused by free radicals .

火参果富含维生素A、C、天然抗氧化剂和丰富有机化合物，是能让人由内而外保持年轻的好东西。

Between vitamin A , C , natural antioxidants , and abundant organic compounds , kiwano is wonderful for staying young , both inside and out .

维生素E是脂溶性天然抗氧化剂，还能提高免疫力、抗癌、预防心血管疾病。

Vitamin E is natural lipophilic antioxidant . It can enhance immunity , has anti-cancer function , prevent heart and blood vessel diseases .

抗坏血酸（维生素C）作为众所周知的天然抗氧化剂，在光诱导电子转移反应中被成功地运用到α-苯磺酰基苯乙酮衍生物磺酰基基团的移除反应中。

Ascorbic acid ( vitamin C ), a well-known natural antioxidant , was successfully used to remove the sulfonyl group of α - phenylsulfonyl acetophenone derivatives by photochemical method .

实验结果表明所测海参多肽组分表现出的抗氧化活性均强于天然抗氧化剂Vc，并呈现量效关系。

The results showed that all fractions showed higher antioxidant activities than Vc and a good correlation existed between the amount of peptides and antioxidant activity .

基于氧化/抗氧化失衡在支气管哮喘发病中的作用，对近年来天然抗氧化剂茶色素（TP）治疗支气管哮喘的国内外文献作了回顾分析。

This paper retrospectively analyzes the role of the tea pigment ( TP ), an antioxidant , in the treatment of bronchial asthma .

天然抗氧化剂&葡萄及红葡萄酒提取物，主要是原花青素类化合物对乙醇引起的氧化性DNA损伤具有显著的保护作用，提示这些抗氧化物质可以应用到预防和治疗乙醇滥用相关性的中毒性疾病中。

Natural antioxidants , grape and red wine procyanidins , showed protective effects on ethanol-induced genotoxicity , which could be used in prevention and treatment of the ailments in central nervous system induced by ethanol abuse .

确定了以光度计比色法测定天然抗氧化剂清除二苯基苦基苯肼（DPPH）自由基能力的条件。

A spectrophotometric method for determining 1,1-diphenyl-2-picryl-hydrazyl ( DPPH ) free radical scavenging activity of natural antioxidants was put forward .

初步分离的PeGs抗氧化活性略低于维生素C，PeGs是一种极具开发潜力的天然抗氧化剂。

Antioxidant activity of PeGs extracted from C. deserticola was slightly lower than that of Vitamin C and PeGs is an attractive resource of natural antioxidant .

结果：此天然抗氧化剂经小鼠急性毒性试验，最大耐受剂量大于8g/kg·BW，属无毒物质；

Results : BSB extract was a substance with no toxicity according to the acute toxicity test ( MTD > 8g / kg · BW ) .

辅酶Q10是细胞线粒体呼吸链重要成员之一，是细胞自身产生的天然抗氧化剂和细胞代谢的激活剂。

Coenzyme Q_10 is an important member of cell mitochondrial respiratory chain . It is a natural antioxidant and cell metabolism activator .

目的观察天然抗氧化剂茶多酚（Teapolyphenols，TP）对模拟飞行低压吸纯氧引起的小鼠心肌自由基代谢异常的保护作用。

Objective To observe the protective effects of natural antioxidant tea polyphenols ( TP ) on myocardial free radical metabolic disorder in mice induced by inhalation of hypobaric pure oxygen under 5500 m hypobaric condition .

方法：在香烟中分别添加了天然抗氧化剂、纳米材料、硅藻土、活性碳及抗氧化剂组合物，并用电子顺磁共振仪（ESR）对香烟烟气自由基的含量进行测定。

Methods : Free radical content in cigarette smoke , in which were added natural antioxidant , nanometer material , diatomite , activated carbone and antioxidant-activated carbone , were determined by ESR .

第二章：主要研究了不同添加量原蜂花粉、不同添加量破壁蜂花粉对南京香肠的抗氧化作用，并与人工合成抗氧化剂BHT、天然抗氧化剂竹叶提取物做了对比。

The effects of bee-pollen and wall-broken bee-pollen on the antioxidant capability of chinese-style sausage , comparing to BHT and ( AOB ) antioxidant of bamboo .

应用自旋捕集方法和化学发光方法研究天然抗氧化剂丹参酮（Tanshinone）对心肌肌质网膜脂质过氧化过程中产生的脂类自由基的清除作用。

The scavenging effect of natural antioxidant Salviol on lipid free radicals generated from lipid peroxidation of cardiac Sarcoplasmic Reticulum was investigated by the use of spin trapping technique and chemiluminescence methods .

在添加量相同的情况下，复合天然抗氧化剂的抗氧化性高于BHT和茶多酚，但比TBHQ低。

With the same addition , the antioxidant activity of the CNA was higher than that of BHT and catechin , but lower than that of TBHQ .

考察茶多酚、番茄红素、维生素E三种天然抗氧化剂不同添加量对DG抗氧化效果，建议添加量为200ppm。

The effect of different dosage of three natural antioxidants on the induction time of DG product was investigated . The suggested dosage of the three natural antioxidants is 200 ppm .

因此，本课题选用柿子皮作为研究材料，通过测定柿子皮提取物（persimmonpeelextracts，PPE）中主要有效成分及抗氧化活性，为柿子皮作为天然抗氧化剂原料的开发和利用提供实验依据。

The objectives of this investigation was to provide experimental basis for development and utilization of PP as raw materials of natural antioxidants by determining the main effective components and antioxidant activity of persimmon peel extracts ( PPE ) .

结果表明，该提取物具有很强的抗氧化活性，其抗氧化活性优于人工合成抗氧化剂BHT，是一种值得进一步开发利用的天然抗氧化剂。

It was found that the total flavones in Momordica grosvenori leaf extracts were much better radical scavenger than BHT , which indicated that it would be a good natural antioxidant for food additives .

0.05%茶叶提取物和0.05%诃子提取物中，添加0.05%柠檬酸，PV值为26.2。结论：茶叶提取物和诃子提取物均为优良的天然抗氧化剂，其复配产品的抗氧化效果更好。

An addition of 0.05 % citric acid to 0.05 % tea extracts and 0.05 % myrobalan extracts produced a PV of 26.2 . Conculsion : Both tea extracts and myrobalan extracts have excellent antioxidative effects , and the synergism product of them is even better .

对油茶籽油进行不同组别的天然抗氧化剂抑制油酸氧化的试验，并进行了采用不同有机膜材料脱胶提高油酸含量的L9（34）正交试验。

Experiment of oleic acid oxidation-restraining in camellia oil by various groups of natural antioxidants and L_9 ( 3 ~ 4 ) orthogonal experiment on enhancing oleic acid content by different organic membranes were carried out .

辅酶Q10是一种很好的生化药物，具有重要的生理作用，是细胞自身产生的天然抗氧化剂和激活细胞呼吸的细胞代谢激活剂。

Coenzyme Q10 is a very good biochemicals , which has important physiological function . And it is also natural oxidation and cell metabolism activating agent of activated cellular breathing , which is produced by cell oneself .

本论文报道了一种利用天然抗氧化剂对大环镍配合物催化的Briggs-Rauscher振荡体系的抑制作用来评估抗氧化活性的研究。

A study to evaluate the antioxidant capacity based on the inhibitory effects on a macrocyclic Ni (ⅱ) complex-catalyzed Briggs-Rauscher reaction was reported in this paper .