Overconsumption of seeds from "Ginkgo biloba" can deplete vitamin B. Analyses of the powder of "Ginkgo biloba" capsules revealed the presence of ginkgotoxin. Ginkgolides are biologically active terpenic lactones present in "Ginkgo biloba". Bilobalide is a biologically active terpenic trilactone present in "Ginkgo biloba". Bilobol, another alkyl resorcinol found in "Ginkgo biloba" fruits, is also a strong skin irritant. The disadvantage of male "Ginkgo biloba" trees is that they are highly allergenic. Chinese scientists published a draft genome of "Ginkgo biloba" in 2016. There are also some rarities here, such as "Ginkgo biloba". Ginkgotoxin (4'-O-methylpyridoxine) is a neurotoxin naturally occurring in "Ginkgo biloba". Dong quai, garlic, ginger, Ginkgo biloba, bilberry and feverfew can increase bleeding time. In gymnosperms like "Ginkgo biloba" and cycadophyta, a haustorial pollen tube forms. The class of ginkgolides was first isolated from the tree "Ginkgo biloba" in 1932. "Ginkgo biloba" does not appear to be effective. Del Tredici also studied the ginkgo ("Ginkgo biloba") for decades. It is closely related to the "Ginkgo biloba", the only remaining species of Ginkgoales.