Platelet-activating factor pharmacological properties

More than 300 papers have been published on the pharmacological properties of this extract [23]. Experimentally documented activity includes increased tolerance to hypoxia in brain tissue, improved learning capacity and memory, inhibition of platelet activator factor (PAF) [24], improved cerebral and peripheral circulation, neuroprotective effects [25], and reduction of retinal edema. Although all the constituents of the ginkgo extract are considered to contribute to the therapeutic effects, the ginkgo flavonoids are assumed to play an important role that is due to their free radical scavenging capacity. 

---