RESUMEN
A highly significant peristaltic activity was found in Phragmites maxima Blatter and McCann, Imperala cylindrical Beauv, Saraca asoca [Roxb.] de Wilde, Nigella sativa Linn., at both intervals. Saccharum spontaneium L., Pterocarpus santalinus f., Nyctanthes arabor-tristis L., Adhatoda vasica Nees., increased the GI motility at significant level [p < 0.005] only at 15 minutes. Saccharum officinarum Linn. and Numphaea lotus Hook f and Thoms increased the motility after 30 minutes intervals. Dichelactina nodicaulis Hance., Pentaptera mollis Presl., Embica officianlis, Zingiber officinale Rosc., Cyperus rotundus Linn., Tinospora cordifolia Will., Tribulus terrestris Linn., Terminalia chebula Retz., and Sphaeranthus indicus Linn. did not show any effect on gastrointestinal motility experiments. Plumbago zeyanica Linn., Woodforida fruticosa Kurz, Piper longum Linn., Iraria lagopodioides, Curcuma domestica Valeton, Symplocos racemosa Roxb., Crataeva religiosa Buch-Ham, and Terminalia bellerica Roxb. showed a decreasing tendency on GI motility at intervals. The Embelia ribes Burm f., Crataeva nurvala Buch-Ham, Argyreia speciosa Burm f. Boj., Boerhaavia diffusa Linn., Centratherum anthelminticum Kuntze, Ipomoea turpethum Linn., Butea monosperma Kuntze and Piper nigrum Linn. showed significant decrease in peristaltic movements only at 15 minutes intervals. The Semecarpus anacardium Linn. [p < 0.001] showed a very high GI motility inhibiting effects showing no motility at both intervals