flavonoi相关论文
Identification and characterization of major constituents in Juglans mandshurica using ultra perform
The present study was designed to identify and characterize the major constituents in Juglans mandshurica Maxim.A simple......
There are many studies that compare the quality and biological characteristics of honey with distinct geographical and b......
Flavonoid profiling of a traditional Chinese medicine formula of Huangqin Tang using high performanc
The quality control processes for herbal medicines have been problematic. Flavonoids are the major active components of ......
Effect of Honghua (Flos Carthami) on nitric oxide production in RAW 264.7 cells and α-glucosidase ac
OBJECTIVE: To study the effects of extracts from Honghua(Flos Carthami) on lipopolysaccharide induced nitric oxide(NO) p......
OBJECTIVE The emerging role of chronic inflammation is the major degenerative diseases of modern society such as periodo......
The present study was designed to determine the major chemical constituents of the leaves of Rhododendron dauricum L. Co......
Genus Pyrrosia plants included many plants like Pyrrosia lingua,Pyrrosia sheareri,Pyrrosia drakeana,Pyrrosia petiolosa,P......
Variety-specific responses of lettuce grown in a gravel-film technique closed hydroponic system to N
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
用文献设定的结构参数和本文设定的结构参数,分别与由HyperChem7.5Student Evaluation计算得到的量化参数作为自变量构成2组数据,......
采用Phenomenex C18色谱柱（150mm×4．6mm，5μm）分离7种成分；流动相为甲醇-0．1％醋酸溶液，梯度洗脱；流速：0．8mL·min^-1，紫外检测波长：290......
采用超声微波协同法萃取蜂胶中的黄酮类化合物，在单因素和正交实验的基础上得出了最佳提取条件为：乙醇浓度65％，料液比1：15，时间150s，微波......
通过DPPH法测定12个不同肉色（白色,黄色,橘色和紫色）甘薯品种的抗氧化性AE值（干重）。结果表明：抗氧化活性Ayamurasaki（紫肉）最高（AE=3.333）......
在细胞毒性试验结果指导下，对尖萼金丝桃(Hypericum acmosepaium N.Robson)全株的活性部位进行化学成分提取分离，得到6个单体，通过理......
为评价不同品种黑腺肋花楸活性物质含量及其抗氧化活性,以3种黑腺肋花楸为原料,采用Folin-Ciocalteau比色法、pH示差法、硝酸铝—......
[目的]利用响应面分析法优化叶下珠黄酮的提取工艺。[方法]根据Box-Benhnken中心组合设计原理,以提取温度、提取时间、料液比三个......
A new biflavonoid, stelleranol, was isolated from the roots of Stellera chamaejasme L..Its structure was determined by t......
对超临界二氧化碳萃取技术从灰枣核中提取黄酮类化合物进行了工艺优化。研究了萃取压力、萃取温度、萃取时间以及夹带剂用量对黄酮......
以黄芩生品和炮制品为原料,用醇提法提取黄酮,以总黄酮的得率为指标,确定两种黄芩中总黄酮的最佳提取工艺。通过单因素实验和正交......
目的获得铁皮石斛叶黄酮提取物泡腾颗粒剂的制作工艺并测定其抗氧化能力。方法采取L9(34)正交设计法,以粒度、溶化时间为评价指标,......
以氯化胆碱-乙二醇-水组成的低共熔溶剂(DESs)为提取溶剂,采用超声辅助法同步提取枳实中的柚皮苷、橙皮苷和新橙皮苷3种标志性黄酮......
为研究大孔树脂分离纯化千斤拔总黄酮的最佳工艺，以总黄酮的含量为指标，通过静态吸附解析试验比较7种不同类型大孔吸附树脂的吸附解......
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从狗枣猕猴桃叶中分离出4个新的黄酮类化合物，经^1D NMR，^2DNMR及ESI-MS等波谱分析鉴定了其结构，分别是4’-甲氧基-槲皮素-7-O-（4＂-O-乙......
利用超临界流体色谱成功地分离了黄酮类化合物，研究了流动相组成，柱条件，压力及温度的影响。发现流动相组成是影响色谱分离的最主要因......
Two species of Calystegia, C. soldanella and C. japonica which both are vine perennials belong to Convolvulaceae habitua......
本研究采用紫外分光光度法,测定6个产地蒙古扁桃叶片中总黄酮的含量。经石油醚脱脂后,利用95%乙醇分别提取各个产地叶片中的总黄酮......
红色普通鸡冠（Ｃｅｌｏｓｉａ ａｒｇｅｎｔｅａ Ｌ．，ｒｅｄ ｆｌｏｗｅｒ）花序乙醇提取物用Ｍｇ＋ＨＣｌ，Ｚｎ＋ＨＣｌ，１％ＦｅＣｌ３－乙醇液，２％ＡｌＣｌ３－乙醇液，１％ＮａＯＨ进行显色反应，呈现黄酮类化合物性质特征颜色。又以槲皮素、山奈酚、异鼠李素为对......
