The rate of antioxidant degradation is affected by extrusion temperature, holding time, heating methods and the activation energy of the antioxidants.
挤压稳定化温度、保温时间、加热方法和抗氧化组分的活性能影响抗氧化组分的分解速率。
ObjectiveTo compare the effect of different extraction methods on the content of flavonoids and antioxidant activity from Glycyrrhiza.
目的比较不同提取方法对甘草黄酮含量和抗氧化活性的影响。
METHODS: the mouse liver homogenate lipid peroxidation assay was applied for the evaluation of the antioxidant activity in vitro.
方法：采用体外抗小鼠肝匀浆脂质过氧化的方法对这些化合物的抗氧化活性进行评价。
In this paper, recent advances in the study of the antioxidants screening methods were reviewed, focusing on theoretical methods and antioxidant tests in vitro.
本文总结了目前国内外抗氧化剂常用的筛选方法，重点介绍了理论方法和体外抗氧化实验的研究进展。
METHODS: the model of alloxan diabetic mice was established to determined the activities of enzymes of antioxidant and ATP, and the contents of MDA, NO and glycogenesis.
方法：建立四氧嘧啶糖尿病小鼠动物模型，测定肝脏抗氧化酶、ATP酶活性、脂质过氧化产物、一氧化氮(NO)和肝糖原含量。
With the increasing demand of polysaccharide market, some test methods of antioxidant activities which are quick, sensitive and practical are particularly important.
随着多糖市场需求增加，快速、灵敏和实用的抗氧化检测方法尤为重要。
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。
The present methods process the dried methanotrophic biomass so that more of the reduced form (i. e. the form having antioxidant activity) is retained.
现在的方法生产干燥的甲烷菌，所以更多的简化形式（例如，有抗氧化活性的形式）被保留了下来。
Purified polyphenols using three different methods to verify the antioxidant activity.
纯化后的酚类物质利用三种不同的方法验证其抗氧化活性。
The Change of antioxidant enzyme activity in Skeletonema costatum, Heterosigma akashiwo and Alexandrium tamarense under UV-B radiation enhancement was studied using biochemical methods.
利用生物化学的方法，研究了赤潮异弯藻、亚历山大藻和中肋骨条藻抗氧化酶活性对UV-B辐射增强的响应变化。
Methods Diabetic rats were treated with fenugreek seeds for 12 weeks, the blood lipid level and kidney antioxidant function were observed.
方法：用胡芦巴治疗糖尿病大鼠12周后，观察其血脂水平及肾脏的抗氧化能力。
Methods: Three methods are considered to modify the quality of the soft capsule shells, using different gelatin, adding additives that can facilitate dissolution and adding antioxidant agents.
方法：从更换明胶、添加加速溶出辅料、抗氧剂三方面改进囊皮，应用胶片溶解速率法筛选囊皮处方，并进行软胶囊留样考察。
The paper reviews the antioxidant effect of flavonoids. The research development of extracting methods of flavonoids are introduced.
介绍了天然黄酮类化合物的种类、结构和具有的抗氧化特性；综述了国内外从植物中提取、分离方法及进展。
In order to improve the purity of industrial product, Antioxidant BHT was purified by the methods of recrystalize and zone melting.
为提高防老剂BHT的纯度，采用重结晶和区域熔融法对工业品防老剂BHT进行提纯。
Some problems of these methods have been discussed. In order to offer some theory on evaluating the antioxidant activity of samples.
讨论其中存在一些问题及相应对策，以期为更好评价样品抗氧化活性提供理论依据。
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.
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。
Abstract : The antioxidant and antibacterial activities of carnosic acid were studied by radical scavenging effect, reducing ability and tablet dilution methods.
摘要 ：通过自由基清除能力、还原力和平板二倍稀释法实验，评价了鼠尾草酸的抗氧化活性、抑菌活性。
Methods Antioxidant, metal ion chelating agent and the mixture of the two were added to the lotion respectively, and the color of compound salicylic acid lotion was observed.
方法以外观色泽为指标，考察单独加入抗氧剂或金属离子络合剂及其联合应用对制剂外观质量的影响。结果合适的稳定剂大幅度延缓了复方水杨酸洗剂的氧化变色速度。
Methods Antioxidant, metal ion chelating agent and the mixture of the two were added to the lotion respectively, and the color of compound salicylic acid lotion was observed.
方法以外观色泽为指标，考察单独加入抗氧剂或金属离子络合剂及其联合应用对制剂外观质量的影响。结果合适的稳定剂大幅度延缓了复方水杨酸洗剂的氧化变色速度。
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