flavonoid相关论文
目的和意义:山豆根碱B是从中药山豆根中分离得到的一类具有抑制三阴性乳腺癌活性的新骨架化合物,课题组前期以(-)-Cytisine和(-)-M......
There are about 70 species in the genus Geum, of these 6 species are found in China[1~4]. Some species, such as G.aleppic......
Objective It is imperative to provide some consistent experimental results for the extraction of flavonid from Fructus G......
Two new acetylated flavonoid diglycosides, scutellarein-5-O-[a-L-rhamnopyranosyl-(1→ 4)-b-D-6-O-acetylglucopyranoside] ......
Objective: To determine the total phenolic and flavonoid contents, antioxidant and antimicrobial activities of methanoli......
Luteolin is neuroprotective for retinal ganglion cells and retinal pigment epithelial cells after oxidative injury, wher......
Multiple studies implicate iron accumulation in the substantia nigra in the degeneration of dopaminergic neurons in Park......
Quercetin is a widely-occurring flavonoid that protects against cancer, and improves memory and cardiovascular functions......
类黄酮物质是苯丙素途径次级代谢产物,可直接影响生长素载体分布、活性以及含量来调节生长素极性运输,或间接影响蛋白激酶/磷酸酶......
目的制备高纯度的银杏原花青素,为系统研究银杏来源的原花青素提供物质基础。方法利用NP-HPLC方法指导大孔树脂及聚酰胺树脂的纯化......
,Antioxidative properties of phenolic compounds isolated from the fungal endophytes of Zingiber nimm
BACKGROUND:The microbes living in planta termed ‘endophytes’ is bestowed with the potential to produce bioactive subst......
The translation of the genotype into phenotype,represented for example by the expression of genes encoding enzymes requi......
Artocarpus heterophyllus Lain.(Moraceae) has been traditionally used in treating various diseases such as diabetes,diarr......
This paper firstly introduces current situations of buckwheat tea industry in Liangshan Prefecture,current situations of......
Dynamic changes of phenolic compound contents in leaf and bark of poplar during autumn temperature d
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......
目的:建立野豌豆药材中芦丁、金丝桃苷和槲皮素三个活性成分的HPLC含量测定方法。方法:采用Agilent ZORBAX Eclipse XDB-C18色谱柱......
采用乙醇浸提法提取糙米黄酮。在单因素试验的基础上,通过正交试验确定糙米黄酮的最佳提取工艺条件:提取温度70℃,提取时间5 h ,料液比......
以乙醇为提取溶剂对荞麦壳黄酮的提取工艺进行优化,同时考察了黄酮得率与抗氧化活性的相关性。基于Plackett-Burman试验设计考察了......
The effect of light on flavonoids biosynthesis in red rice Rdh was studied. The panicles of red rice Rdh produced colorl......
Effect of dietary supplementation with flavonoid from Scutellaria baicalensis Georgi on growth perfo
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......
Flavonoid moiety-incorporated carbon dots for ultrasensitive and highly selective fluorescence detec
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
本文通过对荣华二采区10...
Simple Method for Simultaneous Quantitation and Fingerprint Analysis of Ginkgo biloba Tablets by Hig
本文通过对荣华二采区10...
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
1, 4-Pyrone Effects on O-H Bond Dissociation Energies of Catechols in Flavonoids: A Density Function
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Involvement of anti-oxidative enzymes, photosynthetic pigments and flavonoid metabolism in the adapt
Reaumuria soongorica is a short woody shrub widely found in semi-arid areas of China.It can survive severe environmental......
目的:研究莲子壳中的黄酮类化学成分及抗氧化活性。方法:莲子壳的60%乙醇提取物经过大孔树脂初步分离之后,采用Toyopearl HW-40S凝......
A novel flavonoid was isolated from the root of Macrothelypteris torresiana (Gaud.) Ching. The structure of the product ......
本研究采用量子化学方法对常见类黄酮的最高占有轨道组成、最活泼羟基位置与其抗氧化活性的关系进行研究.结果表明:类黄酮的分子结......
avenging activity and, except compounds 2 and 5, other compounds showed scavenging activity....
7-O-[β-D-apiofuranosyl(1 →2)]-β-D-glucopyranoside on the ground of chemical and spectroscopic methods....
从鞑靼滨藜(Atriplextatarica)首次分离得到6个化合物,通过理化及波谱分析,它们分别确定为苜素(tricin,1),苜蓿素-7-O-β-D-吡喃葡......
采用Agilent1100色谱仪,TC-C18柱为色谱柱,流动相为乙腈-0.02%磷酸水溶液(30:70),流速为1mL·min~(-1),检测波长360nm,按外标法定......
1, 4-Pyrone Effects on O-H Bond Dissociation Energies of Catechols in Flavonoids: A Density Function
Through B3LYP/6-31G** calculations, the 1, 4-pyrone effects on O-H bond dissociation energies (BDEs) of catechols in rin......
A new acylated tlavonoid glycoside, 3-O-kaempferol-3-O-acetyl-6-O-(P-coumaroyl)-β-D-glucopyranoside 1 was isolated from......
采用理论计算化学手段结合分子动力学与量子化学方法,对玉米须相关的几种黄酮类化合物槲皮素、木犀草素、芹菜素分子结构和活性进......
Bioactive natural polymethoxyflavones 1-6 and their vinyl ether derivatives 7-15 were synthesized by bromination,aromati......
建立了高效液相色谱法(HPLC)同时测定柑橘幼果中10种类黄酮化合物和香豆素类化合物含量的方法。用50%(体积分数)甲醇溶液超声提取......
对虎耳草全草中总黄酮物质进行有效提取,并将蒸发浓缩后的虎耳草提取液分别进行了体外抗氧化、抗炎、抑菌性能以及美白功效等研究......
本文研究了五个蚕豆品种(凤豆6号、13号、15号、17号和18号)在三个可食阶段S1(138 DAS)、S2(156 DAS)、S3(173 DAS)(DAS,days afte......
为探讨辣蓼中黄酮类化合物对小鼠免疫功能的调节作用,试验用环磷酰胺(CTX)建立小鼠免疫抑制模型。以4种不同剂量(25、50、100和150......
黄酮类化合物是一类母体结构为2-苯基色原酮的化合物,其基本碳骨架为C6-C3-C6。黄酮类化合物种类众多,大多具有一定生物活性,被广......
[目的]优化生姜黄酮乙醇浸提工艺,并对其稳定性进行研究,为发掘生姜作为高附加值产品提供科学依据。[方法]在单因素试验基础上,选......
[目的]探明不同地理种源野生夏枯草Prunella vulgaris L.的品质差异,揭示影响夏枯草药用成分含量的主要环境因子,为合理开发和有效......
竹叶提取物(Extract of Bamboo Leaves,EBL)主要由黄酮、酚酸、蒽醌类化合物和生物活性多糖、香豆素类内酯、特种氨基酸、芳香成分......
为了解柑橘属种子油的回收利用价值,对柠檬籽油所含的主要活性成分进行了分析检测。结果显示:柠檬籽油中含有2.2 mg/mL的柠檬苦素......
应用高效液相色谱法/二极管阵列检测器同时测定了飞机草中木犀草素、槲皮素和山柰酚的含量。色谱柱HiQ sil C18W柱(4.6mm×25cm,5......
比较了45种花卉粗提液对DPPH^.、O2^.-、^.OH的清除能力,及其与多酚、黄酮含量的关系,发现红攻瑰粗提液对不同自由基的清除能力较强,......
采用水煮法和超声波辅助提取法对潮汕地区40种常用中草药中总黄酮含量进行测定。结果表明,潮汕地区常用草药中均含有黄酮类化合物,......