Herbs with Antidepressant Effects

The leaves of Ginkgo biloba contain a variety of flavonol glycosides, biflavones, proanthocyanidins, alkylphenols, simple phenolic acids, and polyprenols. Some of these substances, such as quercetin, isorhamnetin, myricetin, rutin, luteolin, and kaempferol, are common in medicinal plants. Ginkgo biloba also contains a number of unique phytochemicals, e.g., the terpene trilactones, ginkgolides A, B, C, J, and bilobalide.2