查询词典 kaempferol

HPLC-DAD methods for analyzing of the nine compounds in Chinese propolis, samples, including caffeic acid, ferulic acid, p-cinnamic acid, kaempferol, apigenin, pinocembrin, chrysin and galangin and for the chromatographic fingerprint of propolis in different regions of China were established.

建立了高效液相色谱法测定中国蜂胶中9个酚类化合物(咖啡酸、p-香豆酸、阿魏酸、山奈酚、芹菜素、白杨素、高良姜素、乔松素、松鼠素)含量的方法；建立了中国蜂胶的高效液相色谱指纹图谱。

Mangostin ; kaempferol ; galangin ; cyclodextrin ; phase solubility method ; inclusion action ; solubilization effect ; fluorescence spectroscopy

山竹黄酮；山萘酚；高良姜素；环糊精；包合作用；相溶解度法；荧光法；增溶效果

Phenolics detected in C. incanus L. bee pollen belong to flavonol, flavanols (quercetin, kaempferol, galangin, and isorhamnetin), flavones and phenylpropanoids.

酚类物质检测长梅花湖蜂花粉属于黄酮，黄烷醇（槲皮素，山奈酚，高良姜素和异鼠），黄酮和苯丙。

The contents of quercetin and kaempferol had close relation with the plant that honey came from.

蜂蜜中源于蜜源植物的微量黄酮类物质，在其抗菌、抗衰老[4]的疗效中起着积极而重要的作用。

Nine new compounds were characterized, and they were: opuntioside Ⅰ(11), 4-ethoxyl-6-hydroxymethyl-α-pyrone (14),--ester (22), 1-butoxyl--malate (24), ethyl α-L-rhamnopyranoside (26), opuntioside Ⅱ(34), kaempferol 7-O-β-D-glucopyranosyl (1→4)-β-D-glucopyranoside (46), methyl α-D-glucopyranoside-6-(methyl 4-malate)-ester (47), and opuntioside Ⅲ(48). Opuntioside Ⅰ,Ⅱ,Ⅲ and 4-ethoxyl-6-hydroxymethyl-α-pyrone belong to the skelecton of α-pyrone.

新化合物分别是：仙人掌苷Ⅰ（11），4-乙氧基-6-羟甲基-α-吡喃酮（14），琥珀酸乙酯--酯（22），L--苹果酸-1-丁酯（24），乙基α-L-吡喃鼠李糖苷（26），仙人掌苷Ⅱ（34），山奈酚7-O-β-D-吡喃葡萄糖基（1→4）-β-D-吡喃葡萄糖苷（46），α-D-吡喃葡萄糖甲苷-6-（苹果酸-4-甲酯）-酯（47），仙人掌苷Ⅲ（48），其中仙人掌苷Ⅰ、Ⅱ、Ⅲ及4-乙氧基-6-羟甲基-α-吡喃酮均为α-吡喃酮骨架类型的新化合物。

Results Eleven compounds were isolated and identified as:quercetin(1),kaempferol(2),quercitrin(3),protocatechuic acid(4),gallic acid(5),protocatechuic acid ethyl ester(6),ethyl gallate(7),vanillic acid(8),1,5,7-trihydroxyl-3methylan...

结果得到11个化合物，分别鉴定为：槲皮素(1)、山柰酚(2)、槲皮苷(3)、原儿茶酸(4)、没食子酸(5)、原儿茶酸乙酯(6)、没食子酸乙酯(7)、香草酸(8)、1，5，7-三羟基-3-甲基蒽醌(9)、琥珀酸(10)、5-羟甲基糠醛(11)。结论化合物6、7、9、11为首次从该属植物中分离得到。

Results Six compounds were isolated from the ethanol extracts of Acrostichum aureurm,and their structures were elucidated as ponasterone A(1),pterosterone(2),kaempferol(3),quercetin(4),4-(3,4-dihydroxyphenyl)-2-butanone(5),and daucosterol(6),respectively.

结果从卤蕨乙醇提取物中分离得到6个化合物，分别鉴定为ponasterone A(1)、pterosterone(2)、山奈酚(3)、槲皮素(4)、4-(3，4-二羟基苯基)-2-丁酮(5)、胡萝卜苷(6)。结论6个化合物均为首次从该植物中分离得到。

Objective Bergenin is the effective ingredient for cough, and maybe Quercetin and Kaempferol are the expectorant ingredient in Ardisia Japonica,.

目的 矮地茶的止咳有效成分为岩白菜素，槲皮素和山奈酚可能为其化痰成分。

The determination on the contents of Quercetin and Kaempferol in Ardisia Japonica by HPLC is to confirm its collaborative effection of cough and expectorant with Bergenin.

用高效液相色谱法测定矮地茶中槲皮素和山奈酚的含量，拟证实其与岩白菜素的止咳化痰的协同作用。

A determination method was established for quercetin and kaempferol by HPLC. The contents of quercetin and kaemprol in Chenopodium ambrosioides L.

采用HPLC建立了槲皮素和山柰素的含量测定方法，土荆芥中槲皮素和山柰素的平均含量分别为0.25mg/g和1.03mg/g。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。