Seven flavonoids, including two new natural products, were isolated from an
ethanol extract of the bark of Maclura tinctoria (L.) Gaud. The new compou
nds are steppogenin 4'-O-beta-D-glucoside and orobol 5,3'-di-O-methyl-8-C-g
lucoside. Orobol, steppogenin, aromadendrin, dihydromorin and orobol 7-O-be
ta-D-glucoside were also isolated. (C) 1999 Elsevier Science Ltd. All right
s reserved.