查询词典 quercetin

In order to understand their mechanisms of blood-lipid regulation, We used the amphotercin B cell model and RT-PCR method to examine the effects of the serum-drugs of SM and FC extracts and their effective monomers, including danshensu, protocatechualdehyde, ursolic acid, quercetin and rutin, on cholesterol biosynthesis in CHO cells and the expressions of CYP7AmRNA and DGATmRNA in BRL cell line.

采用两性霉素B细胞模型和逆转录-聚合酶链反应方法，分别观察丹参和山楂各调脂有效部位以及部分单体(丹参素钠、原儿茶醛、熊果酸、槲皮素和芦丁)对内源性胆固醇合成、CYP7AmRNA和DGATmRNA表达的影响。

A method based on capillary electrophoresis with electrochemical detection has been developed for the separation and determination of epicatechin, kaempferol, chlorogenic acid, 4-hydroxybenzoic acid, quercetin and protocatechuic acid in hawthorn for the first time.

首次采用毛细管电泳—电化学检测法同时测定山楂中的6种活性成分：表儿茶素，山奈酚，氯原酸，4-羟基苯甲酸，槲皮素和原儿茶酸的含量。

Assaying results indicate that in that eight parts of Acanthopanax senticosus content ofquercetin is highest in leaf,0.03818%, content of quercetin rhamnoside is highest in flower,4.43115%, content of hyperin is highest in flower,2.41605%, content of syringoside is highest inskin of shoot,1.18959%, content of eleutheroside E is highest in root,

含量测定结果表明：在刺五加花蕾、根、叶、果、茎干、新枝、茎韧皮部、茎皮这八个部位中，槲皮素叶中含量最高，为0.03818％；槲皮素鼠李糖苷花蕾中含量最高，为4.43115％；金丝桃苷花蕾中含量最高，为2.41605％；紫丁香苷茎皮中含量最高，为1.18959％；刺五加苷E根中含量最高，为0.18802％。

Specializing in natural plant research and development, production, sales and biosynthesis of the high-tech enterprise as a whole, the existing products: ursolic acid, luteolin, kaempferol, shikimic acid, salicylaldehyde glycosides, genistein, nuciferine , matrine, oxymatrine, quercetin ...

专门从事天然植物研究开发，生产，销售和生物合成为一体的高科技企业，现有产品：熊果酸，木犀草素，山奈酚，莽草酸，水杨甙，染料木素，荷叶碱，苦参碱，氧化苦参碱，槲皮素。。。

The effectiveness of antioxidantsas DPPH radical scavengers ranged in thefollowing descending order: Salvia viridis (0.57 mg/mL) Stachys byzantina (0.64 mg/mL) Salvia multicaulis(0.83 mg/mL) Eremostachys laciniata (5.18 mg/mL) gallic acid (40.0 mg/mL) grape seed (66.6 mg/mL) quercetin (85.0 mg/mL) ascorbic acid (125.8 mg/mL) BHT (194.9 mg/mL).

其抗氧化剂的效力如同DPPH自由基的清除能力一样按降幂次序排列在下面：丹参贻贝( 0.57毫克/毫升)绵羊水苏( 0.64毫克/毫升)长梗黄花稔( 0.83毫克/毫升)沙穗( 5.18毫克/毫升)五倍子酸( 40.0毫克/毫升)葡萄种子( 66.6毫克/毫升)檞皮黄酮( 85.0毫克/毫升)抗坏血酸( 125.8毫克/毫升) BHT ( 194.9毫克/毫升)。

However, the superheating effect may also result in the degradation of thermolabile compounds. Both the data of calculated activation energy and the results of experiments indicated that quercetin glycosides degraded under the high temperature caused by microwave irradiation.

首次从理论和实验两方面研究了微波加热对以槲皮素为甙元的黄酮甙的稳定性的影响，计算得到的活化能数据和实验结果均显示微波加热产生的高温可导致槲皮素糖甙发生分解。

Seven chemical constituents were identified on the basis of chemical methods and spectral evidences. ResultsFrom this plant, seven active compounds were isolated. They were determined as farrerol, myricetin ,quercetin, taxifolin, umbelliferone, hyperin and juniper camphor.

结果从满山红中分离得到了7种活性化合物，分别为杜鹃素，杨梅素，槲皮素，二氢槲皮素，伞形花内酯，金丝桃苷，杜松脑。

With regard to bioactive components, rutin, quercetin and γ-aminobutyic acid were detected in husked buckwheat bread and unhusked buckwheat bread whereas those components were not found in white bread.

在机能性成分方面，带壳荞麦土司及去壳荞麦土司皆测出芸香苷、槲皮素及γ-胺基丁酸之成分，而白土司并不含有此三种成分。

Quercetin and usnic acid can inhibit the 5 bacteria growth more effectively than other 26 herbs compositions.

所选28种中药成份中，松萝酸和槲皮素具有较强的抑菌作用。

Results The compositions of 28 Chinese herbs can inhibit the growth of 5 bacteria in different levels, but the effects on other 3 bacteria are not obvious. Quercetin and usnic acid have better effects on 5 bacteria than other 26 herbs compositions, with MIC 0.03125～0.125mg/ml and 0.0156～0.0625mg/ml.

结果 28种中药有效成分对3种牙周细菌抑制作用不明显，对另5种口腔常见细菌有一定的抑制作用，其中松萝酸和槲皮素有较强的抑菌作用，MIC值分别在0.0156～0.0625mg/ml和0.3125～0.125mg/ml之间。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。