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Hot Sale Grape Seed Extract 95% OPC Red Brown Powder UV Testing

Hot Sale Grape Seed Extract 95% OPC Red Brown Powder UV Testing

Brand Name : Comext
Model Number : CMT-GOPC
Certification : Kosher, Halal, ISO
Place of Origin : China
MOQ : 25KG
Price : USD23~USD28/KG
Payment Terms : L/C, , T/T, Western Union, Paypal
Supply Ability : 1000KG per Month
Delivery Time : 3~5 working days
Packaging Details : Fiber Drum, with double food-grade PE bag inside, 25KG/Drum
Botanical Name : Vitis vinifera
Active Ingredient : OPC
Specification : 95%
Appearance : Red Brown Fine Powder
Testing Method : UV
Certificate : ISO9001, Kosher, Halal
Sample Policy : 20g free sample is available
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Name: Grape Seed Extract Proanthocyanidins

Latin Name: Vitis vinifera

Ingredient: Proanthocyanidinss/OPC

Specification: 95%

Test methods: HPLC-UV

CAS No.: 84929-27-1

Appearance: Fine Brown Powder

Products NameActivie IngredientsSpecification
Grape Seed ExtractPranthocyadinins/OPC95%

Description

Grape Seed Extract Proanthocyanidins are natural bioflavonoid powder obtained from ground-up seeds of red wine grapes,Vitis vinifera.Recently,Grape Seed Extract is prescribed by doctors in several European countries as it is rich in flavonoids, phytochemicals that have antioxidant properties.Scientific researches showed strong evidences that grape seed extract is beneficial for a number of health conditions .


Source

Grape is a kind of berries from the fruiting vine in genus Vitis.Cultivated as early as 8,000 years ago in the middle east ,grape is one of the most popular fruit with endless ways to consume. Over times ,grape is considered as a healthy food and be thought to help prevent cancer, heart disease, high blood pressure and constipation.Researches showed the shades of grape fruits is determined by anthocyanins and other pigment chemicals which responsible for the color of purple grape.Amount many flavonoids in grape Olygemeric Proanthocyanidinss (OPCs) appeared to be the most valuable composition .Studies showed beyond their antioxidant powers, PCOs are thought to improve blood circulation and help strengthen blood vessels. These actions benefit people with heart disease and cancer.


The main bio-actives

Olygemeric Proanthocyanidinss, more commonly known as OPCs, are phenolic compounds that found in a variety of plants.OPC are oligomers of catechin and epicatechin.This polyphenol is belong to the flavonoid family and offers multiple beneficial activities including improve blood circulation ,trengthen blood vessels,lower heart rate.In plant extract industry ,the main source of OPC is cranberries, grape seeds or red wine.


Functions

1. High Blood Pressure

Studies showed grape seed extract distributed a reduction of systolic . Through a investigation which involved 119 healthy, pre and mildly hypertensive subjects ,the blood-pressure-lowering effect of grape seed OPC was examined .After four months of nondrug intervention ,a statistically significant higher, and dose-dependent, improvement in all endpoints was observed in the treatment groups compared to that of the control,with blood pressure normalizing in 93% of the higher dosage (300mg) treatment group. The result evidencing that GSE regulating blood pressure .


2. Heart Disease

Grapes seed are believed that may be beneficial for cardiovascular disease (CVD) .Recently ,a meta-analysis was conducted to evaluats the beneficial effects of grape seed extract on the cardiovascular system.In the meta-analysis,nine randomized ,controlled trials showed that grape seed extract is associated with a notable decrease in systolic blood pressure (weighted mean difference −1.54 mm Hg (95% confidence interval −2.85 to −0.22, P=[0.02]), and heart rate (weighted mean difference −1.42 bpm (95% confidence interval −2.50 to −0.34, P=0.01)in persons with metabolic syndrome.Based on the currently available literature, grape seed extract appears to significantly lower systolic blood pressure and heart ratein persons with metabolic syndrome, with no effect on lipid or CRP levels.


3. Obesity

There is growing interest among plant extracton’s beneficial effect of on obesity . Studies in animal models suggested that grape seed extract(GSE) may exerts anti-obesity effect by regulating circulating disinfection and reducing food intake without observable influence on mood or satiety.In in high-fructose-fed rats,GSE also increased activity of A kt and GLUT4 in skeletal muscle, and increased Erna levels of both disinfection and its receptor (AdipoR1) and acted to normalized the AMPKα1 Erna levels.


4. Anti-cancer

Grape seed extract has been shown to stall the development and progression of many types of cancer including lung, breast,prostate, colon,esophageal,pancreatic , skin .


5. Breast Cancer

Published literature suggested many dietary supplements which enriched in polyphenols has been shown to exert chemopreventive activity in cellular models of cancer.Scientists inveatigated chemoprotective effect of Grape Seed Extract (GSE) against carcinogen-induced mammary tumorigenesis in rats.The study results showed administration of GSE in a laboratory dry food diet (Teklad 4% rodent diet) resulted in a significant (44–61%) reduction in tumor multiplicity.

GSE also exhibited to ameliorate induration of the breast tissue induced by radiation.It found that 100mg of GSE taken thrice a day for a total of 300mg was able reduce the size of induration by 50% or more in 27.3% of persons tested (6/22) by six months, and one more took the full 12 months to reach 50% reduction of induration.


6. Analgesic Effect

Study reported on Journal of Life Science showed the analesic effect of grape seed OPC .This investigation in the acidic saline animal model proved grape seed OPC exert potent antihyperalgesic effect and decreased the expression of acid sensing in rats.


7. Anti-inflammatory

Grape Seed Extract (GSE) is appeared to suppresses nitric oxide synthesis and exerts anti-inflammatory effect . Literature showed that GSE (50ug/mL) exerts more potent inhibiting effect than aspirin (3mM) indomethacin (20uM) and dexamethasone (9nM) in Nitric Oxide (NO) overproduction.Furthermore ,there is study also noted the subsequent suppression of pro-inflammatory cytokines secondary to macrophage stimulation, with marked suppression at 10-30ug/mL of IL-6, IL-8, IL-1β and TNF-α while 10ug/mL fully abolished IL-10 secretion from LPS.These results indicate GSE possess greater inflammatory inhibiting response in macrophage than Aspirin.


8. Lessen allergy symptoms

Grape Seed Extract (GSE) is a putative natural antihistamine.In vitro study showed that GSE suppress proliferation on T cell .The study result suggested a dose-dependent suppression in response to PMA/ionomycin and Con A at G /G with concentration of 6.25ug/mL showed the most significant inhibition .Through oral intake investigation ,GSE dose-dependently suppressed total lymphocytes which are boosted during the inflammation .Literatures also noted that GSE may help to same common allergic reactions including the sneezing, congestion,hives, hay fever and eczema.


9. Antibacterial

GSE is being investigated for its potential antibacterial properties.Early research on Food Research International suggested GSE possesses potent antibacterial activity .By pour plate method ,grape seed extracts exhibited antibacterial effect against all bacterial tested with gram-positive bacteria were completely inhibited at 850–1000 ppm;gram-negative bacteria were inhibited at 1250–1500 ppm concentration .

Reference

--Grape - Wikipedia, the free encyclopedia

--Grape Seed Extract - Scientific Review on Usage, Dosage, Side Effects _ Examine

--Grape seed _ University of Maryland Medical Center

--Gianni Belcaro,et al;Grape Seed Procyanidins in Pre- and Mild Hypertension:

A Registry Study;Evidence-based Complementary and Alternative Medicine. September 2013

--Harm H.H. Feringa,et al;The Effect of Grape Seed Extract on Cardiovascular Risk Markers: A Meta-Analysis of Randomized Controlled Trials;Journal of the American Dietetic Association

--Meeprom A,et al;Grape seed extract supplementation prevents high-fructose diet-induced insulin resistance in rats by improving insulin and adiponectin signalling pathways,Br J Nutr. 2011 Oct

--Vogels N,et al;The effect of grape-seed extract on 24 h energy intake in humans;Eur J Clin Nutr. 2004 Apr

--Sangeeta Shrotriya,et al;Generation of reactive oxygen species by grape seed extract causes irreparable DNA damage leading to G2/M arrest and apoptosis selectively in head and neck squamous cell carcinoma cells;Carcinogenesis. 2012 Apr

--Kim H,et al;Chemoprevention by grape seed extract and genistein in carcinogen-induced mammary cancer in rats is diet dependent;J Nutr. 2004 Dec

--Brooker S,et al;Double-blind, placebo-controlled, randomised phase II trial of IH636 grape seed proanthocyanidin extract (GSPE) in patients with radiation-induced breast induration;Radiother Oncol. 2006 Apr

--Hyunil Mun,et al;Analgesic Effect of Grape Seed Proanthocyanidin Extract in Fibromyalgia Animal Model;Journal of Life Science 2010

--Skovgaard GR,et al;Effect of a novel dietary supplement on skin aging in post-menopausal women;Eur J Clin Nutr. 2006 Oct

--Yamakoshi J,et al;Oral intake of proanthocyanidin-rich extract from grape seeds improves chloasma;Phytother Res. 2004 Nov

--Terra X,et al;Grape-seed procyanidins act as antiinflammatory agents in endotoxin-stimulated RAW 264.7 macrophages by inhibiting NFkB signaling pathway;J Agric Food Chem. 2007 May

--Tang Q,et al;Grape-seed proanthocyanidins ameliorate contact hypersensitivity induced by 2,4-dinitrofluorobenzene (DNFB) and inhibit T cell proliferation in vitro;Toxicol Lett. 2012 Apr

--Tadayuki Takahashi,et al;Proanthocyanidins from grape seeds promote proliferation of mouse hair follicle cells in vitro and convert hair cycle in vivo;Acta Derm Venereol (Stockh) 1998

--G K Jayaprakasha,et al;Antibacterial and antioxidant activities of grape (Vitis vinifera) seed extracts;10.1016/S0963-9969(02)00116-3

--Grape Seed Extract: Benefits and Side Effects,Webmd


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