1) 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。
2) total phenol content
总酚含量
1.
The longan freezing pattern was studied through analyzing the freezing curve line at -40 ℃, and the changes of the pericarp membrane permeability, the PPO activity and the total phenol content in longan during freezing storage were determined every 30 days.
测定了龙眼果实速冻时的冻结曲线、冻藏过程中果皮细胞膜渗透率、果皮内PPO的活性和总酚含量的变化情况。
2.
Taking burgeon and stem of Parakmeria omeiensis Cheng as test materials,polyphenol oxidase(PPO),total phenol content,and seasonal change law were studied.
以峨眉拟单性木兰嫩枝茎段为测试材料,研究多酚氧化酶(PPO)活性和总酚含量及其季节变化规律。
3.
The total phenol content of PMNE was 10.
以BHT作为对照研究了马尾松(Pinus massoniana)松针甲醇溶剂提取物(Pine needle extract,PMNE)在体外对1,1-苯基-2-苦肼基自由基(DPPH自由基)的清除能力,对Fe3+的还原能力,同时测定了提取物中的总酚含量。
3) 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。
4) 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。
5) total phenolic contents
总酚类含量
6) total polyphenol content
总多酚含量
1.
Inoculating AL3,AL4,and AL12 increased the total polyphenol content of A.
6%;AL3、AL4和AL12都对茅苍术叶片总多酚含量有极显著影响,分别比对照提高了179。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条