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Current uses
Grape seed is an major source of one of nature's most effective antioxidants – proanthocyanidins, which are bioflavinoids. Proanthocyanidins are also referred to as “OPCs” for oligomeric procyanidins. Research has shown that proanthocyanidins, or OPCs are anti-inflammatory, antihistamine, & antiallergenic, and are major scavengers of unwanted free radicals.
Proanthocyanidins also help promote tissue elasticity, help heal injuries, reduce swelling and oedema, restore collagen and improve peripheral circulation. They are known also to help prevent bruising, strengthen weak blood vessels, protect against atherosclerosis, and reduce histamine production.
Grapeseeds, therefore, support and strengthen cardiovascular function, and improve the performance of the nervous and immune systems. Its action is to help vitamin C enter the body's cells, thus strengthening cell membranes, and protecting cells from oxidative damage of free radicals.
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News Comment
Grape seed extract may fight Alzheimer's
Reuters - 1 Jul 2008
By Anne Harding NEW YORK (Reuters Health) - A red grape seed extract that packs the punch of red wine -- without the alcohol -- could help protect against ...
Now, 'wine pills' to ward off Alzheimer's
Times of India, India - 18 Jun 2008
"The study used a naturally derived grape seed polyphenolic extract and demonstrated its efficacy to reduce AD-type Aâ neuropathology as well as cognitive ...
Grapeseed oil is 'Tops' with so many
Chicago Sun-Times, United States - 2 Jul 2008
Grapeseed oil is high in antioxidants and vitamin E, and research suggests it might be good for the heart. It turned up in at least one winning recipe used ...
Grape seed extract may help lower blood pressure
FoodProductionDaily-USA, France - Mar 2006
28/03/2006 - A daily supplement of grape seed extract, a rich source of polyphenols, could lower blood pressure and ease the burden of metabolic syndrome, says ...
Foods that fend off disease
Chicago Tribune, United States - Apr 2006
... They highlight, respectively, grape - seed extract's ability to lower blood pressure; chives' capacity to protect against salmonella and other food-borne ...
Precautions and side effects (refer also to statements below)
Grape seed extract has been known to cause stomach upset or headache
Liquid preparations of grapeseed sometimes contain sugar and/or alcohol.Caution should be exercised by people suffering from diabetes, alcohol dependence or liver disease
Research
Research published in 1998 compared grape seed proanthocyanidin extract (GSPE) to vitamin C, Vitamin E succinate and beta carotene. GSPE showed significantly more antioxidant activity. The research shows that grape seed extract inhibits the formation of free radicals and neutralizes existing free radicals.
The antioxidant abilities of flavonoids in general is documented by much research, while a growing number of studies have focused exclusively on OPCs.
One study found grape seed extract to have a stronger antioxidant effect than vitamin E.
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