<unk> , commonly known as<unk>  or gingko ( ) also known as the maidenhair tree, is a species of tree native to China. It is the last living species in the order<unk> ales, which first appeared over 290 million years ago. Fossils very similar to the living species, belonging to the genus<unk> , extend back to the Middle Jurassic approximately 170 million years ago. The tree was cultivated early in human history and remains commonly planted.<unk>  leaf extract is commonly used as a dietary supplement, but there is no scientific evidence that it supports human health or is effective against any disease.
Ginkgo biloba
Ioxaglic acid
Ellagic acid
Beta-Zearalenol
Bolesatine
Folinic acid
Tienilic acid
Chlormerodrin