Further Investigation into the Flavonoid Profile of Balsamorhiza Macrophylla (Nutt.) A. Gray (Asteraceae)

Joseph C. Onyilagha, Francisca N. Nnajiofor

Abstract


This research has identified the vacuolar flavonoids of Balsamorhiza macrophylla Nutt., which consist of Quercetin-3-O-galactoside, Quercetin-3-O-rutinoside, and Quercetin-7-O-glucoside. Exudate lipophilic flavonoids were also investigated. Results vary slightly from those of earlier study. This study shows the presence of Quercetin 3 - O - methyl ether, Quercetin 3,6,4'- O - trimethyl ether, Quercetin 3,4'-O-dimethyl ether, 3,3'-O-dimethyl ether and an unknown compound which absorbs at 290nm, possibly a flavanone. The first three compounds agree with earlier results, which also include Tamarexetin, Axillarin and Spinacetin. Workers had reported earlier that flavonoid profiles often vary due to environmental or ecological differences, and whether this applies to Balsamorhiza macrophylla is part of this investigation.


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DOI: https://doi.org/10.5296/jbls.v7i2.9572

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