The preparations of ginkgo biloba commonly sold as herbal supplements are derived from the leaves of the ginkgo trees, which are probably the longest living in the world Individual trees are believed to live for up to 1,000 years and are found most commonly in southern and eastern areas of the US, southern France, China, and Korea.
Traditional Chinese medicine has made use of the nuts of the ginkgo tree for around 5,000 years, but the use of the leaves is a relatively recent European development. Widespread recognition of the active properties of the plant have made ginkgo leaf extract products the best-selling of all herbal medicines and supplements in Europe, and also placed them in the ten most popular in the USA, where it0s classed as a dietary supplement. In fact it0s estimated that around 2 billion 120 mg doses of supplement have been sold in the last twenty years alone.
The principal active elements of ginkgo leaf extract are the flavonoids which, like those derived from other sources (green tea, for example) are a powerful anti-oxidant; and terpene lactones.
As an anti-oxidant, ginkgo biloba is particularly effective in neutralizing the most damaging superoxide free radicals and thereby helping to prevent the […]

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