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Tanakan

Tanakan, also known as Rokan, Tebonin, or LI 1370 (aka Kaveri) is a trade name for a pharmaceutical that was originally known as preparation EGb176 (which later became a trademarked name), an herbal preparation which is a standardized extract of Ginkgo biloba leaf, a tree native to China. It is also marketed non-medicinally as a dietary supplement under the trade names GinkGold, Ginkoba, and Quanterra. Its chief components are flavenoids 24% ( quercetin, kaempferol and isorhamnetin or tamarixetin) and terpenoids 6% (ginkgolides and bilobalide specific to the Ginkgo tree). Other constituents include proanthocyanidins, glucose, rhamnose, organic acids, D-glucaric and ginkgolic acids. It has anti-oxidant, anti-inflammatory, vasodilator, and anti-coagulant properties, and modulating effects on the glutamatergic, cholinergic, dopaminergic and seratonergic (neurotransmitter) systems. It has been used as a treatment for dementia and supplementation as a memory enhancer.