The chemistry, pharmacology and pharmacognosy of the contents of Viburnum prunifolium (American snowball) and Viburnum opulus (common snowball)
Horhammer, L.; Wagner, H.; Reinhardt, H.
Botanical Magazine 79: 510-525
Various substances extracted from the bark of viburnum trees were analysed by chromatography. V. prunifolium contained a newly recorded flavone, scopotelin, sitosterin, aesculetin, alpha beta -amyrin and oleanolic and ursolic acids in addition to arbutin and several unidentified pigments, and DL-catechin was isolated from the bark of V. opulus.