Wednesday, July 21, 2010

Gingko biloba leaves anti brain aging ?

GINGKO BILOBA DRIED LEAVES, Pack of net 400 gr.Dried leaves are used as Teas whose reported effects are brain function enhancement, anti brain aging and protection against oxidative cell damage from free radicals.

In Wikipedia and other sources on the internet :

Medicinal uses
Extracts of Ginkgo leaves contain flavonoid glycosides and terpenoids (ginkgolides, bilobalides) and have been used pharmaceutically. Ginkgo supplements are usually taken in the range of 40–200 mg per day. Ginkgo has many alleged nootropic properties, and is mainly used as memory and concentration enhancer, and anti-
vertigo agent. [..]."

A National Institute of Health study echoed these results in 2002.[..] According
to some studies, in a few cases, Ginkgo can significantly improve attention in healthy individuals. Allegedly, the effect is almost immediate and reaches its peak in 2.5 hours after the intake.

In dementia
A 2004 conference paper summarizes how various trials indicate that Ginkgo shows promise in the treatment of Alzheimer's disease, though a 2008 study found it ineffective at treating dementia.

In ongoing studies, a research team led by Luan Luo, PhD,
associate professor at the University of Maryland School of Pharmacy, found that giving mice with the human Alzheimer’s gene the ginkgo extract called Egb 761 improved the process of making new nerve cells in part of the brain much affected by the disease.
The team found evidence that the protective effect of the extract also could be due to decreasing senile plaques or the clumping of beta-amyloid in the brain tissues.
Out of the many conflicting research results, Ginkgo extract may have three effects on the human body: improvement in blood flow (including microcirculation in small capillaries) to most tissues and organs; protection against oxidative cell damage from free radicals; and blockage of many of the effects of platelet-activating factor (platelet aggregation, blood clotting) that have been related to the development of a number of cardiovascular, renal, respiratory and central nervous system disorders. Ginkgo can be used for intermittent claudication.

Some studies suggest a link between ginkgo and the easing of the symptoms of
tinnitus. A study conducted in 2003 by the Department of Dermatology, Postgraduate Institute of Medical Education and Research in Chandigarh, India concluded that Ginkgo is an effective treatment for arresting the development of vitiligo.

Side effects
Ginkgo may have undesirable effects, especially for individuals with blood
circulation disorders and those taking anticoagulants such as ibuprofen, aspirin, or warfarin, although recent studies have found that ginkgo has little or no effect on the anticoagulant properties or pharmacodynamics of warfarin. Ginkgo should also not be used by people who are taking certain types of antidepressants (monoamine oxidase inhibitors and selective serotonin reuptake inhibitors or by pregnant women, without first consulting a doctor.

Ginkgo side effects and cautions include: possible increased risk of bleeding,
gastrointestinal discomfort, nausea, vomiting, diarrhea, headaches, dizziness, heart palpitations, and restlessness. If any side effects are experienced, consumption should be stopped immediately.

Ginkgo biloba leaves contain long chain alkylphenols together with the extremely
potent allergens, the urushiols (similar to poison ivy)

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