The chemical composition and antibacterial activity of Suaeda sp. aqueous and alcoholic extracts

Abstract EN

An aqueous, cold and hot ethanolic extracts fraction for stems and leaves Suaeda sp.

have been prepared.

Qualitative tests have been carried for detection of their general chemical composition, and UV- visible spectra were also obtained and demonstrated that the absorption bands is the same in all three extracts and the bands due to π→π* transition, the absorptionfor both ethanolic extracts (hot and cold) are very similar,IR absorption bands exhibit the similarity in frequenciesthis emphasize on similarity in structures for ethanolic extracts.IR absorptions with accordance to chemical qualitative tests.The yield percentage of extracts was higher with using hot water than hot and cold ethanol.

The antibacterial activity of the extracts was tested by the well diffusion method, the hot ethanolic extract at the concentration 10 % was the most effective against the bacteria used in this study.Klebsiella pnumoniae followed by Proteus vulgaris were highly affected by the three extracts, while Escherichia coli, Salmonella typhi, and Vibrio choelerae did Human blood was used to .not show any sensitivity against these extracts determine cytotoxicity for the extracts in the concentration 500 mg/ ml.

No cytotoxic effects were observed by this concentration, and this is considered the first step in the work positively and in the continuity of testing the extracts on human.