Abstract:
CAS No.: 84929-27-1
Botanical Source: Vitis vinifera L.
Part Used: Seed
Appearance: Red-brown fine powder
Specifications: Polyphenols 95%
Proanthocyanidins OPC 95%, 98%
Main Chemical Composition of Grape Seed Extract
The major functional composition in grape is grape polyphenol including proanthocyanidins. Besides, there are some other ingredients, like glucose, fructose, sucrose, xylose, tartaric acid, oxalic acid, citric acid, malic acid and single glucoside & glucobioside of all kinds of anthocyanidin.
Polyphenols
There are mainly 4 kinds of polyphenol substances in grape: tannin, anthocyanidin, phenolic acid and flavonoids. The vital polyphenols in grape is the same kind as flavonoids type, including flavane-3, 4-diol, flavonoids tannin, flavonoids, flavonol, flavanol, chalcone and anthocyadin, etc. Anthocyanidins in grape are mainly as anthocyanin, methyle anthocyanin, petunidin, malvin and dephinidin, existing in common by dimmer or bigger molecule. The composition of flavonol kind in grape is major for quercetin in ordinary form. Proanthocyanidins are major ingredients in grape seed & grape skin, also the most kind in polyphenol content, mainly existing by dimer or polymer form.
Antioxidant Effect
The antioxidant capacity of Grape Seed ( skin ) Extract comes from proanthocyanidins ( OPCs ). With an antioxidant power 20 times stronger than Vitamin C and 50 times stronger than Vitamin E, OPCs is known as a powerful antioxidant to neutralize free radicals, which play a major role in degenerative diseases, cardiovascular diseases, impaired vision, sun damage and premature aging.
Skin Care
KINGHERBS' Grape Seed Extract OPCs is thought to prevent the skin from excessive UV radiation and free radicals. Considerable evidences indicate that OPCs protect and strengthen collagen and elastin of the skin, so that wrinkles are prevented and elasticity of the skin is kept. It has the efficacy of firming skin, crease resisting and freckle curing, to make skin smooth, exquisite and be full of flexibility.
The Grape Seed Extract has already become one of the top ten salable natural plant extract products and owns the reputation of "natural health care product" and "orally cosmetics" in America.
Preventing and Curing Cardiovascular Diseases
Researches have assured that OPCs helps strengthen capillaries, arteries and veins, which endows it several important clinical applications. OPCs appears to stabilize the walls of blood vessels, reduce inflammation, and generally support tissues containing collagen and elastin. OPCs not only can relieve or repair arteriosclerosis, but also relieve pain and oedema of venous insufficiency, through strengthening capillary and dropping permeability of capillary. Being effective against oedema that often follows injury or surgery, OPCs has been proved to effectively improve pathological changes in retina caused by diabetes, arteriosclerosis, inflammation and aging. For the same reason, it has been reported that OPCs can speed vision recovery after strong light, and improve vision acuity of those who suffer from eye fatigue due to long-time computer using.
Kingherbs was founded in 1996, manufacture high-value botanical derivatives. Over the years the company grew, now operates three factories with ISO9001 and Kosher certifications, producing herbal ingredients for dietary, food supplements, food additives, nutraceuticals, cosmetic ingredients, natural health products, pharmaceuticals and feed.
Kingherbs offers extended services as to help clients source materials from trusted manufacturers in all parts of China, examples are Chemicals, Minerals, Vitamins, Fruit and vegetable Juices, etc. Thus Kingherbs can offer hundreds of items, and offer further processing services as soft gel, capsule, granule and tablet, saving clients the trouble of sourcing for themselves, and assuring quality from our intimate knowledge of the Chinese manufacturers and markets.
Kingherbs is always up-to-date with current industry practices, and can produce and analyze ingredients according to any desired international standards: USP, EP, BP or CP. Kingherbs wants to be your favored supplier in China, by keeping our quality and services a step ahead.
Kingherbs offer Polygonum cuspidatum extract Resveratrol, Polydatin, Emodin, Rosemary extract, Carnosic acid, Rosmarinic acid, Ursolic acid, Jerusalem Artichoke, Sesamin, Coenzyme Q10, Policosanol, Allium cepae extract, Mulberry extract DNJ, Sea buckthorn seed oil, Flax seed extract SDG, Olive leaf, Luo Han Guo Momordica Mogrosides, kelp extract, Spirulina, Turmeric curcumin, Green tea polyphenols EGCG, Marigold Lutein, Zeaxanthin, please find more in the Product List.
