Ginkgo Biloba Extract (GBE) refers to the effective substances extracted from Ginkgo biloba, which contains total ginkgo flavonoids, ginkgolides and other substances. It has the functions of dilating blood vessels, protecting vascular endothelial tissue, regulating blood lipids, protecting low-density lipoprotein, inhibiting PAF (platelet activating factor), inhibiting thrombosis, and scavenging free radicals.