2) total phenolic content
总酚含量
1.
The total phenolic contents of the extracts from five vegetable spices with 4 different polar solvents were determined by Folin-Ciocalteu's phenol method.
用四种不同极性溶剂提取五种常用植物香料,并用福林-酚法检测提取物总酚含量,用二苯代苦味酰基自由基(1,1-diphenyl-2-picrylhydazyl,DPPH·)法检测提取物自由基清除活性,铁离子还原法检测提取物总还原力,硫代巴比妥酸(TBA)法检测提取物抑制Fe2+-半胱氨酸引发的大鼠肝微粒体脂质过氧化作用。
2.
The results indicated that their free radical scavenging ability,total antioxidant activity and total phenolic content were followed,PE
结果表明:四种粗提物对DPPH自由基清除能力、总抗氧化性和总酚含量大小有着一致的顺序:PE
3.
The ferric reducing power,DPPH and ABTS free radical scavenging ability of PA and PAE showed good correlation with their total phenolic content.
该文首次以杨梅核为原料制备了木醋液,采用Folin-酚法、FRAP体系、DPPH法和ABTS法研究了杨梅核醋液(PA)及其二氯甲烷提取物(PAE)的总酚含量、总还原力、清除DPPH。
3) total phenolic compounds
总酚含量
1.
Changes of the amount of total phenolic compounds,total flavones and percent of DPPH scavenging activity in different kinds of vinegar were analyzed.
总酚含量、总黄酮含量可作为评价食醋抗氧化性的指标,总酚含量、总黄酮含量、DPPH自由基清除率可作为鉴别不同品种食醋的指标。
2.
Changes of amount of total phenolic compounds, total flavones and percent of DPPH scavenging activity during vinegar production were studied in this paper.
研究表明,在醋酸发酵阶段,镇江香醋总酚含量及总黄酮含量开始明显增加。
4) total phenols content
总酚含量
1.
The antioxidant activity and water-soluble total phenols content of 41 fruits and vegetables gathe-(red) from the markets at Hangzhou were assayed by using the bleaching of β-carotene-sub-oleic acid method.
结果表明:大多数果蔬都具有一定的抗氧化活性,其中香椿、芦蒿、莴笋叶、水芹、茼蒿菜、马齿苋、藕的抗氧化活性较强,其总酚含量也较高,说明果蔬抗氧化活性的强弱与果蔬所含的酚类物质有一定的关联性。
2.
The antioxidation activity and water soluble total phenols content of 41 fruits and vegetables gathered from Hangzhou market were assayed by using the bleaching of β carotene sub oleic acid model assay.
结果表明 :大多数果蔬具有一定的抗氧化活性 ,其中香椿、芦蒿、莴笋叶、水芹、茼蒿菜、马齿苋、藕的抗氧化活性较强 ,其总酚含量也较高 ,说明果蔬抗氧化活性的强弱与果蔬所含的酚类物质有一定的关联
3.
This article studied the community characteristics,tissue culture,grafting,PPO activity and total phenols content.
本文研究了峨眉拟单性木兰的群落特征、组培技术、嫁接技术、多酚氧化酶(PPO)活性和总酚含量。
6) Polyphenol content
多酚含量
1.
Analysis of polyphenol contents and antioxidant activity of grape skin and seed extracts from different varieties of grapes
不同品种葡萄皮、籽提取物多酚含量及抗氧化能力的比较研究
2.
Polyphenol content and Polyphenol Oxidase(PPO)activity of tissue cultured seedlings in Vitis L.
研究测定了葡萄属10个种(品种)组培苗的多酚含量和多酚氧化酶(PolyphenolOxidase,PPO)的活性,对其与组培苗的生根指数进行相关性分析,并建立生根指数与多酚含量、多酚氧化酶的多项式回归方程。
补充资料：总氯含量测定
分子式：
CAS号：
性质：氯丁橡胶中总氯含量的测定方法常用的有两种：氧瓶燃烧法和容量法。氧瓶燃烧法是将试样在铂丝为催化剂条件下燃烧，将氯转化为钾盐，再以硝酸汞标准溶液滴定。容量法是将试样与碳酸钠-硝酸钾混合物于350～400℃下熔融分解为氯化氢，同时转化成氯化物，再以硝酸银容量法测定。这些测定方法同时亦可以用于测定氯化丁基橡胶和氯磺化聚乙烯中氯含量。
CAS号：
性质：氯丁橡胶中总氯含量的测定方法常用的有两种：氧瓶燃烧法和容量法。氧瓶燃烧法是将试样在铂丝为催化剂条件下燃烧，将氯转化为钾盐，再以硝酸汞标准溶液滴定。容量法是将试样与碳酸钠-硝酸钾混合物于350～400℃下熔融分解为氯化氢，同时转化成氯化物，再以硝酸银容量法测定。这些测定方法同时亦可以用于测定氯化丁基橡胶和氯磺化聚乙烯中氯含量。
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参考词条