NCIt definition : A substance derived from the plant Ginkgo biloba. Ginkgo biloba leaf extract contains
potent anti-oxidants and substances believed to improve blood flow to the brain and
peripheral tissues. Ginkgo biloba exocarp polysaccharides (GBEP) can inhibit proliferation
and induce apoptosis and differentiation of tumor cells. As a medicinal herb, ginkgo
requires standardization for medicinal use; typically, a 50:1 extract of ginkgo leaf
is used in ginkgo supplements. (NCI04);