酚的

RESULTS Kaempferol, quercetin and impurities were separated.

结果 槲皮素，山柰酚与相邻杂质能很好分离，其分离度分别为1.96和5.32，理论塔板数以槲皮素峰和山柰酚峰计算，分别为5121和6673；在5～100mg·L^-1内峰面积与其浓度均呈良好的线性关系（r=0.9994，0.9996），样品回收率分别为97.58％和105.67％；两成分含量以湖南张家界的最高而湖北赤壁最低。

To better understand the genetic variability of oil and tocol content, barley oil were extracted from the whole grain, pearled flour and brewers grains of 30 barley cultivars using supercritical fluid extraction method, the tocol, tocopherols and tocotrienols were determined by HPLC.

为了探讨不同基因型大麦品种大麦油及其母育酚含量的变异规律，采用超临界萃取法及HPLC法提取并测定了30个大麦品种的大麦油及其母育酚含量和成分。

Tocol is one of the most important functional components in barley grain. To better understand the genetic variability of oil and tocol content, barley oil were extracted from the whole grain, pearled flour and brewers grains of 30 barley cultivars using supercritical fluid extraction method, the tocol, tocopherols and tocotrienols were determined by HPLC.

为了探讨不同基因型大麦品种大麦油及其母育酚含量的变异规律，采用超临界萃取法及HPLC法提取并测定了30个大麦品种的大麦油及其母育酚含量和成分。

The total synthese three natural compounds to explore enantioselective synthesis of flavanol: We use phloroglucin and 2, 4, 6-trihydroxyacetophone as starting materials to synthesis distenin in two ways; Resorcin was used to synthsis 2, 5-dimethoxymethoxyacetophone though 3 steps.

对黄烷醇化合物的立体选择性全合成进行了探索：以间苯三酚和2，4，6-三羟基苯乙酮为原料，尝试用两条路线对Distenin化合物进行了全合成研究；以对苯二酚为原料，经三步制得2，5-二甲氧甲氧基苯乙酮，与2，4，6-三甲氧甲氧基苯甲醛反应，经四步反应得到天然产物3，5，7，2′，5′-二五羟基黄烷关键中间体1-（2′，6′-二甲氧甲氧基苯）-3-（2&，4&，6-三甲氧甲氧基苯）丙烷-1R，2R-二醇83及其对映体84；简要介绍了EGCg类化合物的生物活性和研究概况。

A series of novel polys: poly, poly and their copolymer poly were synthesized at high temperature by nucleophilic polycondensation of bisphenol 4 (3 phenyl 4 hydroxyphenyl) 2,3 phthalazin 1 one with activated difluorodiphenylketone, dichlorodiphenylsulfone and both together.

将苯基取代类双酚化合物 4-(3 -苯基-4-羟基苯基)-2 ，3 -二氮杂萘-1 -酮与活性双卤单体如 4，4 -二氟二苯酮、4，4 -二氯二苯砜进行高温缩聚反应，合成了高分子量的新型苯基取代杂萘联苯型聚芳醚材料；用1 H NMR、FT-IR表征了类双酚单体及聚合物的结构。

Based on the leave of Pistacia vera L..Qualitative and quantitative analysis of phenol from Pistacia vera L. and effect on cell ultrastructure of Pistacia vera L tissue.The extracting technology phenol content from Pistacia vera L.

本文以阿月浑子植株与外植体为材料，采用化学方法与色谱-质谱方法对阿月浑子中总酚以及酚类物质成分进行了定性和定量分析，并用透射电镜观察了外植体褐变的发生对细胞超微结构的影响。

MethodsIn the solvent of 1 mol/L NaOH,using the reaction of the total components of water-soluble phenolic acidity in Danshen and the NaNO2-Al(NO3)3,the total components of water-soluble phenolic acidity in compound Danshen preparation(calculated with protocatechualdehyde )were determined by colorimetric spectrophotometry.

方法利用丹参中水溶性酚酸类成分与NaNO2-Al(NO3)3在碱性条件下的显色反应，比色法测定复方丹参制剂中水溶性酚酸的总量。

This indicated that CH1 could induce resistance of cucumber to Pythium aphanidermatum by increasing its enzymes activities of phenolic metabolism.

说明CH1是通过提高黄瓜植株体内酚类物质代谢的酶活性来激发酚类物质的积累，从而诱导黄瓜对猝倒病产生抗性。

The volume of stimulant amino acid in the hypothalamic tuberal part of rat is dcreased,the volume of rejective amimo acid increased,the volume of Catecholamines drceased,the volume of the stimulant amino acid in spinal cord intermediolateralis,the rate of stimulant amino acid and rejective amimo acid,and the volume of Catechomamones dcreased,the volume of NE in spleen tissue dcreased,all of which means the irritability of sympathetic nervous circulus in spleen is restrained.

运动组大鼠下丘脑结节部兴奋性氨基酸含量下降，抑制性氨基酸含量上升，儿茶酚胺含量下降，脊髓中间外侧柱兴奋性氨基酸含量下降、兴奋性氨基酸/抑制性氨基酸下降、儿茶酚胺含量降低，脾组织内NE含量降低，提示有氧运动组大鼠的脾脏交感神经调节通路的兴奋性受到抑制。

Several methods of plant tissue protein extraction (TCA-acetone precipitation method, phenol method, urea method, Zhou Han-tao described method, and phenol method improved by the authors) were applied to extract total protein from Rhizophora stylosa root, and then after SDS-PAGE, a subsequent 2-DE analysis was carried out with the optimized conditions for 2-DE .

分别采用TCA-丙酮沉淀法、酚法、尿素法、周涵韬法和笔者建立的酚改良法，提取红海榄根部总蛋白质，并进行了SDS-PAGE分析和双向电泳体系的优化。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。