银杏Biloba摘要

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. Appearance light yellow brown powder IdentificationPositive reaction Ginkgo flavong lucosides 22%-27% Quercetin kaempferol Isorhamnetin Total ginkgolides ( lactones) 5.4%-12% Ginkgolide A Ginkgolide B Ginkgolide C Bilobalides Ginkgo acid <5ppm Peak area ratio of Ginkgo flavong 0.8-1.5 Bulk density 0.57-0.66g/ml Ignited Ash <0.8% Loss on drying <4.0% Heavy Metals <10ppm Arsenic <1.0ppm Sieve Analysis 100%pass 80 mesh Ethanol residue Negative Residues of other solvents Negative Insolubles in ethanol Negative