Studies on Crude Thermostable Amylase Produced by Bacillus Spp. Isolated from Starch Waste
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Microbiology | Nigeria | Volume 2 Issue 4, April 2013

Studies on Crude Thermostable Amylase Produced by Bacillus Spp. Isolated from Starch Waste

Oluwafemi Adedire, Wuraola Ogundipe, Adekunle Farinu

Thermostable amylase secreting bacterium was isolated through a high temperature screening procedure. The choice isolate, identified as Bacillus spp., appeared to be a facultative thermophile. Production of crude enzyme by the isolate was better when the medium was supplemented with organic nitrogen sources than the inorganic ones. The enzyme has an optimum activity at pH of 9.0, temperature of 65 0C and retains 82% of its activity at 70oC. The crude enzymes activity was stimulated by 2mM Ca2+ , Mg2+, Zn2+ and Cu2+ but inhibited by EDTA, Acrylamide, dodecyl-sulfate, Fe2+ and Mn2+. It also showed resistance to both oxidizing and denaturating agents.

Keywords: Thermostable, Bacillus spp., Facultative, Amylase

Edition: Volume 2 Issue 4, April 2013

Pages: 396 - 400

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How to Cite this Article?

Oluwafemi Adedire, Wuraola Ogundipe, Adekunle Farinu, "Studies on Crude Thermostable Amylase Produced by Bacillus Spp. Isolated from Starch Waste", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=IJSRON2013648, Volume 2 Issue 4, April 2013, 396 - 400

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