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Effect of ethanolic and oil extracted from some Cyanobacteri on the growth of bacteria . yeast and filamentous fungi | ||
| basrah journal of science | ||
| Article 1, Volume 30, Issue 2, 2012, Pages 1-13 PDF (0 K) | ||
| Authors | ||
| Moussa J. Al-Aarajy and nida j. Al-Mousawi; and Iqbal J. Al-Assadi | ||
| Abstract | ||
| Recent study included isolation, identification and purification of three species of algae, belongated to cyanophyta they are : Nostoc linkia ; Calothrix membranacea and Hapalosiphon aureus. from samples related to agricultural soil. The species: C.membranacea Schmidle and H.aureus West and West 1897, were recorded for the first time according to check list of the algae in Iraq 1993. The extracts of algal isolates (Cyanophyta) was testing to clarify their ability on growth inhibition on each of gram +ve and gram –ve bacteria, filamentous fungi and yeasts. The extracts (alcoholic, alkaloid, isolate oil) of species H.aureus showed higher inhibition activity in compared with other algal isolates. Oils were isolated from cyanophyta and tested their biological activity against bacteria and fungi molds. The oil isolated from H.aureus was showed higher activity in comparison with other algal isolated, there form the identification of this oil was carried out by column chromatography, and the active group of oil isolate was identified chemically by : TLC ; UV. Spectrum ; IR-spectrum and function group was tested. Many reactive groups were detected by chemical tests and identified as Tetra-terpenoid. | ||
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