special subjects
Ginkgo
What is ginkgo?
Ginkgois derived from the leaves of theginkgotree (commonly planted for ornamental purposes). The leaves contain numerous biologically active substances, such as ginkgolides and flavonoids.Ginkgois one of the most commonly used herbal supplements. The fruit of theginkgotree is not used inginkgoproducts because of its bad smell. Contact with the fruit pulp, which may be encountered under femaleginkgotrees, can cause severe skin inflammation (dermatitis). The seeds of the fruit are toxic and can cause seizures and, in large amounts, death. Sometimes less expensive ingredients are used to make poor-qualityginkgomore satisfactory to consumers. Not all tests can detect the poor-quality product, so such products may still be available. (See also Overview of Dietary Supplements .) 