Ginkgo biloba leaf extract bulk powder or liquid form . CP2005 or standard : USP30 The active ingredients : 1) Quercetin C15H10O7, 302.23 ; Keampferol , Isorhamnetin . 2) Bilobalides & GinkgoLides . 3.) Ginkgo acid less than 5ppm or 1ppm . Function : GBE ingredient have more function : reducing blood pressure; anti-arrhythmia ; treat coronary heart disease ; shock to treating CHD ; anti-oxidize ; reduce blood fat ; antibacteria , promote cell immunity etc.