原花青素

原花青素具有较强的抗氧化能力，在体内其抗氧化、清除自由基能力是维生素E的50倍、维生素C的20倍。

Proanthocyanidins have strong anti-oxidative and radical scavenging activities and its intensity of this effection is 50 times as that of VE 、 20 times as that of VC .

针对视网膜损伤，原花青素可提高SOD活性，降低MDA、NO、Ca2+、Glu含量，减少Caspase-3表达从而改善超微结构损伤而保护视网膜。

For retinal injury , proanthocyanidins can increase SOD activity , decrease MDA , NO , Ca2 + and Glu content , degrade express of Caspase-3 to improve retina ultrastructure and protect the retina .

葡萄籽中的原花青素含量高于葡萄皮中的含量（P＜0.01）；

The contents of procyanidins from grape seeds are higher than that from grape skins .

超临界CO2流体提取含原花青素的葡萄籽油

Supercritical CO_2 fluid extracting technique for grape seed oil with proanthocyanidins

葡萄籽原花青素对H202诱导的脐静脉内皮细胞损伤的影响

Effects of grape seed proanthocyanidin on human umbilical vein endothelial cell injured by hydrogen peroxide

原花青素对局灶性脑缺血后凋亡基因Fas表达的影响

Effects of Procyanidins on Expression of Fas in Focal Cerebral Ischemia

原花青素（Procyanidins，PC）是从多种植物中提取的一类物质。

· Procyanidins ( PC ) is extracted from many plants .

香草醛法测定了黄烷-3-醇单体和原花青素的总量，HPLC法测定了黄烷-3-醇单体的含量。

Flavan-3-ol and proanthocyanidin were determined by vanillin assay , expressed by catechin equivalents , and flavan-3-ol determined by HPLC .

高粱原花青素对α-淀粉酶和蛋白酶活力影响的DSC研究

Effects of Procyanidins from Sorghum Episperm on Activity of α - amylase and Protease by DSC

此外，以原花青素为主要成分的苹果提取物及葡萄籽提取物清除·OH的效果远远高于茶多酚。

In addition , apple extracts and grape seed extracts with proanthocyanidins as main component showed much more better scavenging effects than tea polyphenol .

原花青素对脑缺血再灌注损伤大鼠Bcl-2表达和神经元凋亡的影响

Influence of procyanidin on neural cell apoptosis and expression of Bcl-2 in rats with cerebral ischemic reperfusion injury

非硫解HPLC分析羟基肉桂酸类、原花青素B2、花青素及儿茶素单体。

Unthiolysis HPLC will be better for the hydroxycinnamic acids , procyanidin B2 and catechin monomers .

目的：建立通用H点标准加入法快速测定保健食品中的原花青素方法。

Objective : To develop a rapid method for the determination of oligoprocyanidins ( OPC ) in health food by generalized H-point standard addition method ( GHPSAM ) .

2型糖尿病局灶性脑缺血大鼠海马组织iNOS的表达及原花青素的干预

Effect of Procyanidin on Expression of Inos in Type 2 Diabetes Mellitus Rats with Focal Cerebral Ischemia

对吉林地区野生地榆根低聚原花青素（OPC）进行了提取分离工艺研究。

The extraction and separation techniques of oligoprocyanidins ( OPC ) from the root of wild Sanguisorba officinalis Linn .

葡萄籽提取物原花青素诱导乳腺癌MCF-7细胞脱落凋亡

Inducing effect of proanthocyanidin from seed of Vitis vinifera on anoikis of breast cancer cells MCF-7

上述研究显示，蓝莓叶原花青素可抑制HCV的复制，在抗HCV方面有着潜在的用途。

These data suggest that proanthocyanidin isolated from blueberry leaves may have potential usefulness as an anti-HCV compound by inhibiting viral replication .

原花青素诱导前列腺癌PC-3细胞凋亡的机制研究

A Study on Apoptosis in Prostate Cancer Cells Line PC-3 Induced by Procyanidins

通过HPLC对原花青素低聚物进行了成分分析，结果表明，所提取的产品与原花青素标准品成分基本一致。

The composition analysis of procyanidins low polymer by HPLC showed that the compositions of the extracted product were the almost same as the compositions of standard procyanidins .

天然抗氧化剂&葡萄及红葡萄酒提取物，主要是原花青素类化合物对乙醇引起的氧化性DNA损伤具有显著的保护作用，提示这些抗氧化物质可以应用到预防和治疗乙醇滥用相关性的中毒性疾病中。

Natural antioxidants , grape and red wine procyanidins , showed protective effects on ethanol-induced genotoxicity , which could be used in prevention and treatment of the ailments in central nervous system induced by ethanol abuse .

原花青素对前列腺癌LNCaP细胞增殖和凋亡的影响

Procyanidins inhibit proliferation and promote apoptosis of the prostate cancer cell line LNCaP

白藜芦醇（resveratrol）、白藜芦醇苷（piceid）和原花青素（OPC）是存在于葡萄中的结构相似、功能相近的功效成份。

Resveratrol , Piceid and OPC , existing in grapes , were of active composition with similar structure and functions .

为研究葡萄籽提取物原花青素调节血脂的效果，选用雄性健康成年SD大鼠，观察原花青素对高脂血症大鼠血清脂质的影响。

In order to examine the effect of grape seed extract procyanidin on blood lipid regulation , healthy adult male SD rats were fed with lipid-rich diet for 6 weeks .

原花青素在X-5树脂上吸附性能的研究

Study on Adsorption Properties of Proanthocyanidins on X-5 Resin

目的：探讨葡萄籽原花青素（grapeseedproanthocyanidinextract，GSPE）对兔实验性心肌再灌注损伤（myocardialreperfusioninjury，MRI）诱发的心肌细胞凋亡的保护作用。

Objective : To study the effect of grape seed proanthocyanidin extract ( GSPE ) on the apoptosis of myocardial cells induced by myocardial reperfusion injury ( MRI ) in rabbits .

目的研究原花青素对佐剂性关节炎大鼠体内PGE2合成的抑制机理。

Objective To study the inhibition mechanism of proanthocyanidins on the PGE_2 product of rats with adjuvant arthritis ( AA ) .

介绍了用超临界CO2萃取法制取高质量的葡萄子油和应用夹带剂提取葡萄子中的原花青素的方法。分析了葡萄子的综合开发的应用前景。

The analysis method of the composition of grape seed oil , content determination of proanthocyanidins , high quality grape seed oil extraction with supercritical fluid CO2 and proanthocyanidins extraction with modifier are discussed .

DPPH法测定沙棘籽原花青素清除自由基的能力枳实提取物清除·OH能力及抑菌活性初探

Measurement of the Antiradical Efficiency of Proanthocyanidin in Seabuckthorn Seed by the DPPH · Assay Preliminary Study on Hydroxyl Free Radical Scavenging Activity and Antimicrobial Effect of Fructus Aurantii Immaturus Extracts

GSH、VE、原花青素、辅酶Q、胡萝卜素5种抗氧化剂均能够降低卵巢中代偿升高的CAT活性（P0.05）。

GSH , Vitamin E , procyanidin , coenzyme Q and carotene five kinds of antioxidants are able to make compensatory elevated CAT activity in ovarian tissue reduced significantly in ovarian tissue ( P0.05 ) .

背景与目的：探讨莲房原花青素（LSPC）对荷瘤小鼠体内黑色素瘤B16细胞的诱导分化作用。

OBJECTIVE To investigate the inhibitory effect of proanthocyanidins from Lotus Seedpod ( LSPC ) on B16 melanoma in vitro .