原花色素

研究发现荔枝中含有大量功能性成分，如花色苷、酚酸、多糖、原花色素以及其它活性成分。

The research showed a lot of functional ingredients such as anthocyanin , phenolic acid , polysaccharide , proanthocyanidin .

无原花色素大麦突变体筛选研究初报

Selection of proanthocyanidin - free BARLEY MUTANT

超临界CO2流体萃取葡萄籽油的优化工艺葡萄籽提取物低聚原花色素微胶囊化研究

The Optimum Extraction Technology of Grape Seed-oil by Supercritical Carbon Dioxide Fluid Chromatography

采用邻苯三酚自氧化法测定原花色素的类SOD活性，通过实验确定了适宜的测定条件为测定波长420nm；

Pyrogallol autooxidation method was used for measurement of SOD-like activity of proanthocyanidins .

通过静态吸附、解吸实验选出AB-8大孔树脂，通过单因素、正交实验优化了白藜芦醇、原花色素的富集、分离条件。

The macroporous adsorption resin AB-8 have been selected from 3 kinds of carriers by static adsorption and de-adsorption test . The single factor tests and orthogonal experiments have been applied to optimize the enrichment and separation condition of resveratrol and procyanidin .

这两个化合物均从荔枝核中首次分离得到，其中原花色素-A1是从该属植物中首次得到。

Proanthocyanidin-A1 is the first compound separated from species of Litchi .

山楂原花色素的抗氧化作用研究

Antioxidant effects of Proanthocyanidins from the fruits of Hawthorn

磁场对新鲜干红葡萄酒原花色素的影响研究

Effect of magnetic field on the contents of proanthocyanidins in young red wines

沙棘原花色素是一种集营养与保健于一体的多酚类物质。

Sea buckthorn proanthocyanidins is a kind of polyphenols with nutrition and health .

植物原花色素研究利用进展与发展趋势

The Progress on Research and Utilization of Plant Proanthocyanidins

研究说明原花色素与油菜种皮颜色密切相关。

Studies show that proanthocyanidins and is closely related to seed coat color .

原花色素的类超氧化歧化酶活性的测定

Measurement of superoxide dismutase-like activity of proanthocyanidins

沙棘籽原花色素的研究

Study on Proanthocyanidins from Sea Buckthorn Seed

微波辅助提取花生衣原花色素工艺优化

Microwave-assisted Extraction of Proanthocyanidins from Peanut Skin

石榴籽原花色素提取纯化及其功能性研究

Isolation and Purification of Pomegranate Seed Proanthocyanidins

大麦籽粒原花色素的定位分析

Distribution of Proanthocyanidins in Barley Grain

大麦籽粒原花色素缺失基因的等位性分析

Allelism test of proanthocyanidin-free barley mutants

油菜种皮颜色决定于其原花色素含量。

The seed coat color of oilseed Brassica species is controlled by proanthocyanidin content in it .

原花色素多聚体被降解为低聚体后具有很强的生理药理活性。

The proanthocyanidins has strong physiological and pharmacological activity after the polymer be degraded into oligomer .

植物中提取的原花色素是以多聚体的形式存在，其生物活性较低。

The proanthocyanidins extracted from plants with low biological activity , it exists in form of polymers .

葡萄籽中的原花色素

Proanthocyanidins of grape seeds

多聚体原花色素降解为低聚体有化学降解和生物降解两种方法。

There are two methods to degrade the proanthocyanidins polymer into oligomer , chemical degradation and biological degradation .

总提取物及原花色素的提取率分别为92.27%和93.39%，表明其提取效率较高。

The extraction rates of total extracts and PCs were as high as 92.27 % and 93.39 % .

天然抗氧化剂原花色素的研究进展

Research Advance of Proanthocyanidin

落叶松树皮为我国林业的重要副产物，是来源广泛、数量丰富的可再生绿色资源。树皮中约含有16%的原花色素类化合物，是很有利用价值的天然产物。

Larch bark , the byproduct of forestry industry consisting about 16 % proanthocyanidins ( PCs ), is an abundant reproducible plant biomass resource .

在第一部分研究工作中，系统研究了落叶松原花色素的提取方法，采用二次通用旋转组合实验设计，建立了相关数学模型。

In the first part of this thesis , a math model for extracting PCs was built by using the experimental method of quadr-general - turning-assembly design .

原花色素具有多种化学与生物活性，在食品、保健品、化妆品及医药等领域具有广泛的应用前景。

As for its comprehensive chemical and biologic activities , PCs could be widely used in foods , health products , medicines , cosmetics , et al .

以番茄为材料，采用分光光度法对其根、茎、叶、果实的原花色素含量进行测定研究，并对提取条件进行优化。

Using tomato plants as materials , the content of oligomeric proanthocyanidins in their roots , stems , leaves and fruit were determined by a spectrophotometer method .

在该提取条件下，用数学模型所预测的总提取物及原花色素产率分别为23.83%和16.27%，这与实测值相一致。

The yields of total extracts and PCs predicted by the math model were 23.83 % and 16.27 % , which were nearly equal to values actually measured .

花生红衣中白藜芦醇和原花色素的提取分离工艺鱼油中二十碳五烯酸和二十二碳六稀酸提取分离研究现状和进展

Research on the Extraction and Separation Technology of Resveratrol and Procyanidins from the Red Skin of Peanuts State-of-arts of Extraction and Separation of Eicosapentaenoic Acid and Docosahexaenoic Acid from Fish Oils