Apigeninidin (Also, apigenidin, or ''Gesneridin'') is a chemical compound belonging to the

3-deoxyanthocyanidin The 3-Deoxyanthocyanidins and their glycosides (3-deoxyanthocyanins or 3-DA) are molecules with an anthocyanidins backbone lacking an hydroxyl group at position 3 on the C-ring. This nomenclature is the inverse of that which is commonly used in f ...

s and that can be found in the Patagonian plant ''

Ephedra frustillata ''Ephedra frustillata'', the Patagonian ephedra, is a plant species in the genus ''Ephedra''. The plant is found in Patagonia, southern Argentina, as well as in central and southern Chile Chile, officially the Republic of Chile, is a co ...

'' and in the soybean. Apigeninidin is one of the principal pigments found in

sorghum ''Sorghum'' () is a genus of about 25 species of flowering plants in the grass family (Poaceae). Some of these species are grown as cereals for human consumption and some in pastures for animals. One species is grown for grain, while many othe ...

. Extremely high level of apigeninidin (49 mg/g) has been documented in sorghum leaf sheath. Like all anthocyanidins it exists in a variety of tautomers depending on pH and hydration, several of these bare the distinctive pyrylium core.

References

{{anthocyanins Anthocyanidins Resorcinols Sorghum