Ginkgo Biloba Extract,China price supplier

Ginkgo+Biloba+Extract-p1.html" target='_blank'>Ginkgo Biloba Extract         

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

  (2)  EGB761 
       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