Flavonol glucosides

Astragalin is a naturally occurring flavanoid chemical compound with a yellow colour. It was first isolated from Astragalus sinicus after which it is named.

Icariin is a chemical compound classified as a prenylated flavonol glycoside, a type of flavonoid. It is the 8-prenyl derivative of kaempferol 3,7-O-diglucoside. The compound has been isolated from several species of plant belonging to the genus Epimedium which are commonly known as horny goat weed, Yin Yang Huo, and Herba epimedii. Extracts from these plants produce aphrodisiac effects, and are used in traditional Chinese medicine to enhance erectile function. == References ==

chemical compound

chemical compound

Spiraeoside is a chemical compound. It can be isolated from flowers of meadowsweet (Filipendula ulmaria) or from garden onion (Allium cepa).