changsha active ingredients group, inc. changsha active ingredients group, inc.(aigi) is one of the leading manufacturer and exporter of the tea & herbal extracts in china, is the board of director of hnbea (hunan botanical extracts association of china), aigi having certified iso9000:2000, kosher, cgmp. we have been manufacturing of exporting such products as green tea extracts and natural botanical extracts series. our major standardized products are resveratrol 99%, magnolia bark extract 95%,guarana p.e. 22% caffeine, baicalin 95%, blueberry juice concentrate brix 65, green tea extract 60% egcg, luo han guo extract 80% .mogrosides and effective component monomer product such as huperzine a 99%, paclitaxel 99%, artemisinine 99% , rhynchophylline 98% and so on. we can supply about 240 kinds of standardized herbal extracts and more 900 kinds of botanical extracts. our products are in great demand and being exported to over 40 countries throughout the world. yours faithfully, honey xiu ginkgo leaf extract producted in our factory is the active ingredients extracted from ginkgo leaves with advanced modern technology, its principal specifications consist in low acidity (ginkgolic acid ≤5ppm.1ppm) and water solubility . the effective ingredients in the extract are flavones and terpenes. the preparations made of the extract have obvious effect on curing cardio-cerebral vasecular diseases and respiratory disease such as coronary disease, angina pectoris, cardiac infarction, cerebral coronary thrombembolia. meanwhile, it is widely used as the additive in health care products, foods, beverages and cosmetics etc. specifications: 1) extracted part: dried leaves 2) extract solvent: ethanol 3) extract medium: none 4) storage: tightly sealed in a clean, cool, dry area. keep away from strong, direct light. do not freeze 5) appearance: fine, light yellow brown to light brown colored powder 6) particle size: 97% passed 80 mesh 7) loss on drying: < 4.0% 8) arsenic: ≤ 1ppm 9) heavy metals: ≤ 5ppm 10) pesticide: ≤ 10ppm 11) total plate count: < 1000cuf/g 12) yeasts and molds: < 100cuf/g 13) e.coli: negative extracts: ginkgo biloba extract （1）routine total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% （2）cp2005 total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% ginkgolic acid ＜ 10ppm (3) egb761 total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% ginkgolic acid ＜ 5ppm （4）minimal acid total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% ginkgolic acid ＜ 1ppm （5）routine（water soluble） total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% （6）cp2005（water soluble） total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% ginkgolic acid ＜ 10ppm (7) egb761（water soluble） total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% ginkgolic acid ＜ 5ppm （8）minimal acid（water soluble） total ginkgo flavone glycosides ≥ 24% quercatin: kaemperol 0.8--1.5 total terpene lactones ≥ 6% ginkgolic acid ＜ 1ppm if you want to find some botanical extract,but you can not find in this list,please visit aigi's website to find it: http://www.aigi-herb.com/products/botanical%20extracts.asp best regards! best regards! yours faithfully, honey xiu ************************************************************************** company: changsha active ingredients group,inc. fda registration number is: 16044809218 add.: 4f, hengguang building, no. 516 yuanda yi road, changsha, china 410001 website: http://www.aigi-herb.com telephone: 86-731-4783400 fax number: 86-731-4717928 msn messenger: aigi10@hotmail.com e-mail:honeyxiu@aigi-herb.com ******welcome contact me for more detail inform. if you have any questions or suggestions, please don’t hesitate to ask and tell. best wishes