ginkgo biloba extract used as the most popular herbal extract now in the world market.it was traditionally used for the treatment of asthma and other respiratory ailments.more recently, extensive research on the herb has been conducted on the healing properties of the leaf extract. germany and france have run literally hundreds of studies on the leaf extract. these studies along with similar studies in america, have shown significant results. the extract of ginkgo biloba has been studied for its effectiveness in the treatment of acrocyanosis, alzheimer's disease, cerebral atherosclerosis, cerebral insufficiencies, cochlear deafness, dementia, depression, menopause, peripheral and cerebral circulatory stimulation, peripheral vascular disease, raynaud's syndrome, retinopathy, senility, short-term memory loss, tinnitus, vascular diseases, and vertigo (see clinical studies). it is a commonly prescribed herb in europe and is often used as one source of phytomedicines. we have a gmp certified extract factory to produce all kinds of herbals extract. we possess a complete set of advance equipment for extraction,refinement,column chromatoraphy,condensation and desiccation. our quality control laboratory is well equipped with most advanced instruments,such as hplc,uv,gc,aa etc. action: 1) ginkgo biloba is used for cerebral insufficiency and alzheimer's disease. 2) it also is used for peripheral vascular insufficiency.