6.EVALUATION OF PHARMACOGNOSTICAL AND LAXATIVE ACTIVITY OF LEAVES OF NYCTANTHES ARBOR-TRISTIS LINN.
The aim of the “study was to evaluate the Nyctanthes arbor-tristis Linn. for its pharmacognostical properties and for its laxative activity”. Macroscopical study of Nyctanthes arbor-tristis Linn. showed that Nyctanthes arbor-tristis having light to dark green color, indistinct odor, bitter and astringent taste and heart shape, rough texture, 5-14 cm long and 2.5-5.7 cm wide size, entire margin and round base. Animal study showed that Nyctanthes arbor-tristis Linn initiates the laxative activity 0-8 hour and showed complete laxative activity on 8-16 hours, which was compared with the standard drug sodium picosulfate. Pure extract of Nyctanthes arbor-tristis was found effective as that of standard drug sodium picosulfate for the constipation in albino Wistar rats.