Extracts of ginkgo (Ginkgo biloba) leaf are widely available worldwide in herbal medicinal
products, dietary supplements, botanicals and complementary medicines, and several
pharmacopoeias contain monographs for ginkgo leaf, leaf extract and finished products.
Being a high-value botanical commodity, ginkgo extracts may be the subject of economically
motivated adulteration. We analysed eight ginkgo leaf retail products purchased in Australia
and Denmark and found compelling evidence of adulteration with flavonol aglycones in …