HPTLC and antioxidant activity of ethanolic extract of Ipomoea obscura (L.) ker gawl stem

The aim was to optimize the extraction method and reveal the phytoconstituents using chromatographic detection and antioxidant activity from the stem part of Ipomoea obscura using DPPH assy. According to WHO, herbal medicines serve the health needs of about 80% of the world's population. The initial crude using these methods contain complex mixtures of many plant metabolites such as alkaloids, glycosides, steroids, triterpenoids and flavonoids. [...]semisolid extract is obtained and calculate the yield. * Weight of empty china dish (A+B+C)= 95.0gm + 93.5gm + 92.0gm * Weight of china dish + liquid extract (A+B+C)= 160.0gm + 166.5gm + 168.5gm * Weight of china dish + final extract after evaporation(A+B+C)= 98.0gm + 95.0gm + 93.5gm * Weight of final extract = 6.30gm * Percentage yield = 39.37% w/w Preliminary Phytochemicals Evaluation: Phytochemical examinations were carried out for all the extracts as per the standard methods.