The plant Inula helianthus aquatica belonging to the family Asteraceae was selected and various studies such as phytochemical and pharmacological activities were carried out. Plant leaves were collected and was shade dried for 20 days, until it was dry enough for extraction. It was then powdered in a grinder and extracted with solvents such as hexane, ethanol, and water. The extracts were subjected to various preliminary phytochemical tests and the results indicated the presence of Oligo fructoses, in the aqueous extract. The compounds were identified by TLC and isolated by column chromatography. The spectral studies were carried out for the aqueous extract of Inula helianthus aquatic leaves and were subjected for purity testing. The purified fractions were subjected to IR (Infra red spectroscopy), 1H NMR(Nuclear Magnetic resonance spectroscopy), MASS Spectroscopy studies for the confirmation of the functional groups, number of protons and molecular weight. The results obtained from the chemical tests, IR, 1HNMR, MASS spectroscopy gave the conclusion that Oligo fructose was present in the extract. The anti-diabetic activity of the aqueous extract of Inula helianthus aquatica leaves were compared with that of standard drugs. The aqueous extract of Inula helianthus aquatica leaves produced significant anti diabetic activity in dose dependent manner.
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