Ginkgo biloba
Ginkgo Biloba is the oldest genus among existing seed plants and the only survivor of the family Ginkgoaceae, that can be traced back more than 200 million years to the fossils of the Permian period. Ginkgo biloba is used for many years now in popular medicine as an anti-inflammatory, anti-asthma and anti-cough agent and, more recently, after isolating its active constituents, in a series of diseases characterised by circulatory insufficiency or by inflammatory or degenerative abnormalities induced by peroxidative phenomena, such as atherosclerosis, thrombosis or respiratory disorders. The ginkgo biloba tree is native to southeastern China, and is a member of the Ginkgoales family, which dates from the Permian Period of the Paleozoic Era. Ginkgo biloba has been a staple Chinese herbal ingredient for thousands of years, and is frequently recommended by Chinese herbal practitioners for coughs, asthma and acute allergic inflammations. Commercially prepared extracts of ginkgo biloba leaves have been used for decades as a medicinal aid, and are believed to be an important component of a food supplement program to ensure optimum nutritional health. The principal effective component in Ginkgo biloba leaves is flavonoids, that comprise at least 14 different compounds, such as flavonols, flavones, flavanols and biflavonoids etc. Among all these compounds, flavone glycosides and flavonol glycosides, that include kaempferol, quercetin and isorhamnetin with glucose or rhamnose, are the most emphasized in Ginkgo biloba extracts on the market for therapeutic purposes. As an antioxidative radical trap gingko biloba leaf extract prevents lipid peroxidation by neutralization of toxic oxygen radicals. It improves the flow properties of the blood via reduction of thrombocyte and erythrocyte aggregation and via reduction of blood viscosity. It promotes oxygen absorption and use in the tissue. The peripheral and cerebral blood circulation of arterial vessels is improved. Therefore it is effective in conditions which occur as a result of arteriosclerotic changes of these vessels. Ginkgo biloba L. leaves contain a large amount of flavonoids and Ginkgolide A, B and C. The flavonoids present in ginkgo biloba function as free radical scavengers which reduce the amount of harmful free radicals in the body. Free radical formation can disrupt vascular membranes, resulting in increased microvascular permeability which in turn is associated with the impairment of cerebral blood flow seen with aging. Flavonoides are especially effective in curing angiocardiopathy and are widely used at present. The can make the sclerosed blood vessels recover elasticity, improve the brittleness of blood vessels, dilate blood vessels and prevent the atrophy of organ functions caused by the bad circulation of blood. Ginkgolide is a specific platelet activating factor antagonist. It has the functions of making blood active and minimizing the cholesterin content in blood. It also can be used to prevent and cure the allergic diseases of breath tract. Bilobalide can straighten out cranial nerve streak and has the functions of refreshing, resisting fatigue and intensifying memory. Ginkgo works by increasing blood flow to the brain and blood vessels, resulting in higher oxygen levels in the brain. Benefits of enhanced circulation in the brain include improved short and long term memory, improved mental clarity, and increased energy levels. It has been found that the therapeutic composition is useful in treating the symptoms of ADD and ADHD, without any adverse side effects. A single daily dose, taken in the morning effectively alleviates symptoms of ADD and ADHD throughout the entire day.
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