What is the chemical formula for Ginkgo Biloba?
Ginkgo biloba is an herb. It doesn't have the chemical formula.
However, its leaves are generally used to make "extracts" that are
used as medicine. The chemical formula of ginkgo leaf extract is
C19H22O6, Ginkgo biloba extract is a well defined product, and it
or its active ingredients, the ginkgolides, especially ginkgolide
B, and bilobalide, have clearly demonstrated biological
activity.