Robinetinidin is an anthocyanidin, a type of flavonoid.
Prorobinetinidins, condensed tannins oligomers containing robinetinidol, can be found in Stryphnodendron adstringens.Prorobinetinidins from Stryphnodendron adstringens. Palazzo de Mello J.; Petereit F.; Nahrstedt A., Phytochemistry, 1996. They yield robinetinidin when depolymerized under oxidative conditions.
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See also Robinetinidol, the corresponding flavan-3ol Leucorobinetinidin, the corresponding leucoanthocyanidin