DPPH

Result: The correlative relationship between DPPH free radical scavenging activity and baicalin content was obtained.

结果: 黄芩提取物的清除DPPH自由基活性与黄芩苷含量呈相关关系.

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the change in antioxidant activity of buckwheat honey heated at different temperatures ( 40 ° c, 60 ° c, 80 ° c) was assessed by dpph radical.

通过测定荞麦蜜在40,60,80℃加热后对DPPH自由基的清除能力和颜色的变化，研究了温度对荞麦蜂蜜抗氧化能力的影响。

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dpph radical scavenging activity of eleocharis tuberosa peel extract

荸荠皮提取物对DPPH自由基清除活性

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The antioxidant activities of three kinds of lotus leaf tea infusion were studied by power reducing, DPPH radical system, linoleic acid system, Hydroxyl radical system and superoxide radical system.

采用DPPH自由基体系、亚油酸体系、还原力的测定、羟基自由基体系及超氧自由基体系对三种荷叶茶茶汤的抗氧化能力进行研究。

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the antioxidant effects of allium cepa, zingiber officinale, allium sativum and allium fistulosum at normal temperature and their juice at 100 ℃ were studied by dpph method the results indicate that all of the treated vegetable crops have antioxidant activities;

利用DPPH法对洋葱、姜、蒜和葱4种辛辣蔬菜常温下和经100℃处理的汁液进行抗氧化作用的研究，结果表明，它们都具有抗氧活性。

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Preparation of Lichee Polyphenols and Its DPPH Radical Scavenging Activity Lychee Chicken

荔枝多酚的分离制备及清除DPPH活性

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The ability of 1.5 % ethanolic extract eliminating DPPH · is stronger than 0.02 % Vc, VE.

1.5%的乙醇提取物溶液清除DPPH· 能力比0.02%Vc和0.02%VE强.

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In general, pine needle extractive on DPPH radical scavenging abilit y-y in vitro is the strongest among the three free radicals.

总体而言，松针提取物对体外DPPH自由基清除能力是最强的。

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Pecan different storage conditions by measuring the reducing power, DPPH scavenging rate and moisture content, explore the best pecan storage conditions.

通过测不同储藏条件山核桃的还原力，DPPH清除率和水分含量，探究最适山核桃储藏的条件。

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The antioxidant activities of the purified polyphenols were evaluated in vitro by scavenging capability of DPPH free radical, superoxide anion free radical and hydroxyl free radical, total antioxidant capability, reducing power and β-carotene bleaching test.

通过测定纯化后的花生壳多酚对DPPH自由基、羟基自由基和超氧阴离子自由基的清除能力、总还原能力、总抗氧化能力及p-胡萝卜素的漂白实验来评估其抗氧化能力。

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The experiments of antioxidant activity showed that the areca nut seed extract showed strong antioxidant activities by the DPPH and ABTS radical scavenging assay, the activities were becoming stronger with the increasing of concentration.

抗氧化活性试验表明，超声波辅助提取的槟榔籽提取物具有较强的清除DPPH自由基和ABTS自由基能力，且随浓度增加而增强，呈良好的线性关系。

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Extraction of dark red petals and the petals growing at wilting stage had higher DPPH · scavenging rate.

不同颜色的唐菖蒲花瓣相比，深红色花瓣提取物的DPPH·清除率最高；不同发育时期的唐菖蒲花瓣，其枯萎时期对DPPH·清除率最高。

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Scavenging Effects of Dipsacus asper Wall, on DPPH · Radical Group

续断清除DPPH·自由基的活性

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The effect to antioxidant activities of high fibre products from wheat bran by decoloration and micronization were studied by the vitro methods. The DPPH? scavenging, reducing power and chelating ability were evaluated.

同时研究了脱色和超微粉碎对小麦麸皮膳食纤维的体外抗氧化能力的影响，如清除DPPH？（1,1-二苯基苦基苯肼）能力、还原力、螯合铁离子能力等。

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The results showed that the phenol content and scavenging activity of DPPH radicals of the Hovenia dulcis Thunb during fermentation process were increasing.

结果表明：总酚含量、清除DPPH自由基能力在枳椇醋酿造过程中增加；

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Study on Chemical Constituents of Coriander Leaf Essential Oil and Scavenging Capacity Against the DPPH Radical

芫荽茎叶精油成分及清除DPPH自由基能力研究

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Trypsin-derived WPH was readily soluble in the DPPH assay solution compared to other WPH, and was therefore used to investigate the effect of other hydrolysis conditions.

和其他酶乳清蛋白水解物相比，胰蛋白酶水解物具有稳定的溶解性，所以被用于研究其他的水解条件的影响作用。

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Antioxidative activity of Hengshun aromatic vinegar was evaluated by means of DPPH.

用DPPH法初步研究了恒顺香醋的抗氧化活性.

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Compared with tea polyphenol, Adopting four kinds of different invitro experiment models separately to study on the scavenging action of garlic powder to · OH,· O-2, DPPH ˙ and NO2-.

以茶多酚做对照，采用4种体外模型分别研究了蒜粉对·OH、·O-2、DPPH·等自由基以及NO-2的清除作用。

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Measurement of the Antiradical Efficiency of Proanthocyanidin in Seabuckthorn Seed by the DPPH · Assay Preliminary Study on Hydroxyl Free Radical Scavenging Activity and Antimicrobial Effect of Fructus Aurantii Immaturus Extracts

DPPH法测定沙棘籽原花青素清除自由基的能力枳实提取物清除·OH能力及抑菌活性初探

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The signal of 5 × 10-9 M. DPPH may be observed on the oscillograph. The ratio of signal to noise is 2:1. The operation frequency is 9690 Mc,/ s.

在示波器上可以观察到5×10~（-9）克分子DPPH的讯号，讯号噪声比为2：1，仪器的工作频率是9690Mc/s。

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The radical scavenging effects of AOB examined by using DPPH and chemiluminescence methods, and the application of AOB as a natural food antioxidant on puffed food were studied.

本文采用生物化学发光法和DPPH法对竹叶抗氧化物（AOB）清除自由基能力进行测定，并探索了竹叶抗氧化物（AOB）在膨化食品&小王子雪饼中的应用效果。

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The total antioxidant activity, radical scavenging activity ( hydroxyl radical, DPPH and superoxide anion) and the reduction ability of purple potato granules were apparently superior to the conventional potato granules.

紫马铃薯全粉的总抗氧化能力、自由基清除能力（羟自由基清除能力、DPPH自由基清除能力和超氧阴离子清除能力）、还原能力均明显强于普通黄马铃薯全粉。

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Furthermore, the free radical scavenging activities of different 60% ethanol extracts of Cynomorium Songaricum Rupr. were evaluated by the established HPLC-DPPH method.

在此基础上，将建立的HPLC（C30色谱柱）-DPPH方法应用于不同产地锁阳60%乙醇提取物清除自由基活性评价。

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Chemical constituents and DPPH free radical scavenging and a-glucosidase inhibition activities of red maple and blueberry flower were investigated in this paper.

本文对加拿大红枫（Red maple）和美国蓝莓花（Blueberry flower）的化学成分及其清除DPPH自由基和抑制α-葡萄糖苷酶活性进行了研究。

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The number of Phenol hydroxyl more in molecules, the activity of scavenge DPPH radical is stronger.

分子中酚羟基的数目越多，化合物清除DPPH自由基的活性就越强。

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The scavenging effects of DMYL on DPPH free radicals and H2O2 in polar solvents were both weaker than those of DMY, decreasing with the increase of esterification degree.

二氢杨梅素酯化物在极性溶剂中清除DPPH自由基和H2O2的能力比二氢杨梅素低，酯化物的抗氧化活性随着酯化程度的增加呈下降趋势；

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