Ginkgo biloba extract USP40 30%

chemical composition
The chemical composition of Ginkgo biloba leaves is very complex. There are more than 140 compounds isolated from it. Flavonoids and terpene lactone compounds are the two main active ingredients of Ginkgo biloba leaves. Ginkgo flavonoids, also known as monoflavones, are mainly composed of glycosides of kaempferol, quercetin, and isorhamnetin; ginkgo terpene lactones are terpenoids, which are composed of phenoxyterpene lactones and diterpene lactones, and ginkgo biloba Ester and ginkgolides are the main ones. It also contains polypentenol, organic acids, polysaccharides, amino acids, phenols and trace elements.

Application field
1. The flavonoids in Ginkgo biloba leaves in the food and health care industry have antioxidant properties, and can be added as an antioxidant in oils and pastries. The total flavonoids are mostly yellow and have wide solubility, both water-soluble and fat-soluble. Therefore, total flavonoids can act as colorants. Ginkgo biloba leaves are processed into ultrafine powder and added to food. Ginkgo biloba leaves are ultrafinely crushed and added to cakes, biscuits, noodles, candies, ice cream at 5% to 10% to be processed into ginkgo biloba foods with health care effects. Ginkgo biloba extract is used as a food additive in Canada, and has been approved as an over-the-counter medicine in Germany and France. Ginkgo biloba leaf is included in the US Pharmacopoeia (24th edition). Ginkgo biloba leaf extract can be used as a dietary supplement in the United States. There are more than 30 kinds of Ginkgo products in the world. The main dosage forms include: Ginkgo biloba leaves, Ginkgo biloba oral liquid, Ginkgolide injection, Ginkgo biloba injection, Ginkgo ketone ester pills, compound Ginkgo biloba granules, Ginkgo biloba extract, etc. . From 2009 to 2011, the sales of Ginkgo biloba preparations and the ranking of DDDs ranked among the top three most commonly used cardiovascular medicines. Ginkgo biloba leaves contain a small amount of proanthocyanidins and urushiolic acids, which are still somewhat toxic to the human body. Ginkgo biloba leaves are treated as raw materials for special processing to reduce the content of proanthocyanidins and urushiolic acids. However, within the currently used dose range, there is no acute and chronic toxicity and no teratogenic effects. The Ministry of Health has approved Ginkgo biloba extract as a new food additive in 1992. In recent years, the total flavonoids of Ginkgo biloba has been widely used in the food industry, and the research and development of Ginkgo biloba has broad prospects. 2. The combination of ginkgo biloba extract and skin absorption enhancer in the daily chemical industry can also prevent irritation caused by the adhesive used in external ointment and patch, which can be emulsion, ointment, cream, sol and Plaster tape, etc. The skin care products containing GBE on the market mainly include anti-aging cleanser, body wash, lipstick, eye cream and so on. GBE can also be used in hair growth and hair care products. Chen Yan and others even added Ginkgo biloba extract to toothpaste. According to their research, it has a certain anti-caries effect.