Ginkgo Biloba Extract/plant extract

Ginkgo Biloba Extract(1)CP2005(2) EP.6.1 (3) USP 31/NF26 The quality standard of the Ginkgo Biloba Extract according to the 2005 chinese medicine/herb tests dating Character:light brownish-yellow or dark brown powder,little bitter . Loss on drying :not more than 0.5% Residue on ignition:not more than 0.8% Heave metal<20PPM Assay:HPLC (1)CP2005 Total Ginkgo flavone glycosides ≥ 24% Quercatin: Kaemperol 0.8--1.5 Total terpene lactones ≥ 6% Ginkgolic acid ≤ 10ppm (2EP.6.1 (3) USP 31/NF26 Total Ginkgo flavone glycosides ≥ 24% Quercatin: kaemperol 0.8--1.5 Total terpene lactones ≥ 6% Ginkgolic acid ≤5ppm 3Minimal acid Total Ginkgo flavone glycosides ≥ 24% Quercatin: Kaemperol 0.8--1.5 Total terpene lactones ≥ 6% Ginkgolic acid ≤ 1ppm