Grayer, R.J.; Thabrew, M.I.; Hughes, R.D.; Bretherton, S.; Lever, A.; Veitch, N.C.; Kite, G.C.; Lelli, R.
(Informa Healthcare, 2008)
A crude aqueous acetone extract of Osbeckia aspera. Blume (Melastomataceae), a plant from Sri Lanka used traditionally to treat liver disease, was fractionated by column and preparative paper chromatography, and the fractions ...