Appearance: light yellow powder Active ingredient: Flavone Specifications:24%,6% Molecular formula:C15H18O8 Molecular weight:326.3 Botanical Source: ginkgo leaf Latin name:Ginkgo Biloba L Part used: Ginkgo Biloba leaf Grade: pharmaceutical grade Test method: HPLC Extract solvent: alcohol Product advantages: 1.We have HACCP, ISO9001,Halal, FDA,etc. 2.10 years experience in herbal extract. Product details: It is mainly used in the treatment of coronary heart disease, chronic bronchitis and asthma. Package: carton,with double vacuum poly bags inside,2.5kg/bag,25kg/carton,or to pack as per customers' demand. Mail box: info at healthynaturalcolor dot com Tel: 0086-452-6101658 Fax: 0086-452-6101659 MSN: [email protected] Skype: crystal6541 Web: www.healthynaturalcolor.com