Similarly, the extracts of Butea superba bark have shown
significant ROCK-II inhibition while it was reported that the
ethanolic extract of root core and bark increased rat intracavernous
pressure (ICP) (Tocharus et al., 2006). The powdered root of
Butea superba increased male sexual function (Cherdshewart and
Nimsakul, 2003) which was suggested to be due to cAMP
phosphodiesterase inhibition mediated corpus cavernosal smooth
muscle relaxation (Roengsamran et al., 2000).