Shannxi Province provide the guarantee for the natural
material exploration. Ginkgo biloba (Ginkgoaceae), originating
from China, was first introduced to Europe in
the 18th century, and now distributes all over the world.
Wide application of Ginkgo biloba extracts is determined
by the main active substances: flavonoids and terpenoids
(Figure 1) and has shown antioxidant activity in preliminary
DPPH assays[11-14], which indicates the Ginkgo
biloba extracts suitable to be used as an effective corrosion
inhibitor. The aim of this work is to investigate the
inhibitory action of Ginkgo biloba extract for the corrosion
of mild steel of oil field.