DPPH
abbr.
diphenyl picryl hydrazinyl radical 二苯基苦酰肼基自由基；diphenyl-picryl hydrazide 二苯基苦基酰肼；diphenyl-picryl hydrazyl 二苯基苦基胼基；
权威例句
DPPH antioxidant assay revisited.Comparison of ABTS/DPPH assays to measure antioxidant capacity in popular antioxidant-rich US foods
Comparison of ABTS, DPPH, FRAP, and ORAC assays for estimating antioxidant activity from guava fruit extracts
Radical scavenging ability of polyphenolic compounds towards DPPH free radical
Kinetics and mechanisms of antioxidant activity using the DPPH. free radical method.
The use of the stable free radical diphenylpicrylhydrazyl (DPPH) for estimating antioxidant
Detection of antioxidative capacity in plants by scavenging organic free radical DPPH
Screening of Brazilian plant extracts for antioxidant activity by the use of DPPH free radical method
Electron-Transfer Reaction of Cinnamic Acids and Their Methyl Esters with the DPPH• Radical in Alcoholic Solutions
Comparative Study of Antioxidant Properties and Total Phenolic Content of 30 Plant Extracts of Industrial Interest Using DPPH, ABTS,...
1. Thus, it is efficient to improve scavenging DPPH radical activity of the hydrolysates of silver carp protein by maillard reaction.
鲢鱼鱼肉蛋白的碱性蛋白酶酶解物在一定条件下与葡萄糖反应可以提高其清除DPPH自由基能力。
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2. In this study a DPPH -spectrocolorimetery method is established to determine DPPH radical scavenging capacity, and the capacity has shown very close correlation with antioxidative activity of beer.
本文以DPPH为作用底物，初步建立了采用分光光度法测定DPPH自由基清除率的方法，该值与啤酒的抗氧化能力之间有较高的相关性。
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3. DPPH·and two chemical irritant light reactions were used for comparing the radical scavenging capacity of grape seed procyanidin fractions with different degree of polymerization(DP).
采用DPPH·及化学发光法，研究葡萄籽原花青素不同聚合度组分的自由基清除能力。
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4. 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。
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5. The cellulose-ethanol extraction method shows high effectiveness, the crude extract has the highest yield with stronger DPPH radical scavenging activity.
采用中等浓度的乙醇溶液作为纤维素酶的反应体系可有效提高红景天总黄酮的浸出率，粗提物得率高，且DPPH清除活性较强。
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6. The anti-oxidative effect of hawthorn extracts origin from different process were study by using DPPH and pyrogallol autooxidation methods in this manuscript.
采用不同提取方法提取山楂活性成分，分别用DPPH法、邻苯三酚自氧化法测定了不同提取物的抗氧化作用。
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7. For the active ingredient of Corydalis, active ingredients with DPPH free radicals scavenging activity and tyrosinase inhibitory activity were studied.
本实验对延胡索成分对DPPH自由基清除活性与酪氨酸酶抑制活性做了初步研究。
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8. 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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9. DPPH radical scavenging activity of those shows as: water phase> n-butanol> petroleum ether> ethyl acetate> dichloromethane.
DPPH自由基清除能力大小为水相>石油醚相>正丁醇相>乙酸乙酯相>二氯甲烷相；
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10. The results indicated that postharvest quality deterioration of plum fruit may be attributed to the decrease of superoxide, DPPH radical, and hydroxyl radical scavenging activity.
李果采后品质劣变可能与清除超氧阴离子自由基、羟自由基及DPPH 自由基能力的降低有关。
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11. Scavenging activity of four natural flavonoids to 2,2-diphenyl-1-picrylhydrzyl free radical(DPPH) was studied by cyclic voltammetry and differential pulse voltammetry.
采用循环伏安法、示差脉冲伏安法对四种天然黄酮类化合物清除二苯代苦味肼自由基（DPPH）的能力进行了探讨。
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12. Hydrolysable tannins and myricetin derivatives possessed potent DPPH free radical scavenging activities, and only myricitrin showed weak tyrosinase- inhibiting activity.
结果显示水解单宁和杨梅素衍生物具有较强的自由基清除活性，杨梅苷显示出微弱的酪氨酸酶抑制活性。
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13. The main result is as follow:1. Carried out the concentration of tea infusion clearance of DPPH free radical screening research.
主要结果如下：1。开展了茶汤清除DPPH自由基的浓度筛选研究。
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14. Methods Antioxidant activity of apple ciders was assayed through some methods such as DPPH radicals, super-oxide anion radicals, hydrogen radicals, reducing power.
测定不同分离组分对二苯代苦味酰肼自由基（DPPH）的清除活性、还原力、酚质量分数、对羟自由基和超氧阴离子自由基的抑制活性。
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15. 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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16. ObjectiveTo study the extracts from Penthorum chinense Pursh on scavenging DPPH free radical.
目的研究赶黄草提取物对DPPH自由基的清除作用。
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17. MethodsThe DPPH scavenging activities of Penthorum chinense Pursh extracted by different methods and different solvents were studied and compared with that of ascorbic acid.
方法采用不同溶剂、不同提取方法制得赶黄草提取物，以抗坏血酸为对照，研究其对DPPH自由基的清除作用。
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18. Objective: To establish a quality control method for fructus lycii based on its antioxidation scavenging 1, 1-diphenyl-2- picrylhydrazyl (DPPH).
目的：针对枸杞子的抗氧化作用，尝试建立基于清除有机自由基 1，1-二苯基苦基苯肼（DPPH）的枸杞子质量控制方法。
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19. ConclusionThe extract has good scavenging effect on DPPH·, OH· and O2-· under the condition of experiment.
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。
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20. Folin-Ciocalteu method was used to determine the content of total phenols and the DPPH scavenging ability was detected to evaluate its antioxidant properties in this study.
并以Folin-Ciocalteu方法测定总酚含量，检测DPPH清除能力作为抗氧化活性的评估的方法。
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21. The effects of iron level in diatomite and pH value of beer on antioxidative activity of beer is studied in this paper by DPPH-spectroscopy.
本文采用DPPH分光光度法，研究了硅藻土的铁离子含量和啤酒pH值在过滤阶段对啤酒抗氧化力的影响。
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22. Along with ethanolic extract density increasing, the ability of eliminating the DPPH· also is strengthened.
随着乙醇提取物溶液浓度的增加，清除DPPH·的能力也增强。
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23. Effects of ethanol concentration and reaction time were compared on DPPH free radical scavenging activity of egg white protein hydrolysates in this paper.
对比分析乙醇浓度和反应时间对四种蛋清蛋白酶解物清除DPPH自由基活性的影响情况。
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24. The antioxidant behavior of sorghum pigment on DPPH and oils and the related activity-structure relationships were investigated in this study.
研究了高梁红色素对自由基和不同种类油脂的抗氧化作用，并阐述了高梁红色素的抗氧化机理。
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25. Some beans are efficient in OH-, O2-, DPPH clearing ability and the corresponding reduction ability.
几种豆类均有一定的清除·OH、·O2-、·DPPH的能力和相应的还原能力。
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26. Results:The two extractives of Physalis alkekengi had a strong scavenging effect on DPPH free radical.
结果：锦灯笼乙醇和甲醇提取物对DPPH自由基的清除作用随浓度的增加而增大。
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27. The DPPH radical scavenging activities, the reducing powers, the amount of total phenolic compounds, the inhibitory effect on hydroxyl radical and superoxide anion radical o.
测定不同分离组分对二苯代苦味酰肼自由基（DPPH）的清除活性、还原力、酚质量分数、对羟自由基和超氧阴离子自由基的抑制活性。
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28. The DPPH radical scavenging activities, the reducing powers, the amount of total phenolic compounds, the inhibitory effect on hydroxyl radical and superoxide anion radical o.
测定不同分离组分对二苯代苦味酰肼自由基（DPPH）的清除活性、还原力、酚质量分数、对羟自由基和超氧阴离子自由基的抑制活性。
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DPPH
