Tags: Chemical Compound, Chemical Substance.
The flavans are a type of flavonoid. These compounds include the flavan-3-ols flavan-4-ols and flavan-34-diols (Leucoanthocyanidin).A C-glycosidic flavan can be isolated from cocoa liquor.Casuarina glauca is an actinorhizal plant producing root nitrogen-fixing nodules infested by Frankia. There is a regular pattern of cell layers containing flavans.