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Jundishapur Journal of Natural Pharmaceutical Products
The Official Journal of Ahvaz Jundishapur University of Medical Sciences
e-ISSN 2228-7876
p-ISSN 1735-7780
STUDIES ON BIOSURFACTANT PRODUCTION BY ACINETOBACTER CALCOACETICUS (PTCC 1318)
Authors
1Department of Pharmaceutics, School of pharmacy, Kerman University of Medical Sciences-Pharmaceutics Research Center, Kerman University of Medical Sciences, grdehghan@yahoo.com, Iran
2Department of Pharmaceutics, School of pharmacy, Kerman University of Medical Sciences, Iran
*Corresponding Author: Department of Pharmaceutics, School of pharmacy, Kerman University of Medical Sciences-Pharmaceutics Research Center, Kerman University of Medical Sciences, grdehghan@yahoo.com, Iran. Email: grdehghan@yahoo.com
Published online:Nov 30, 2007
Article type:Research Article
Received:Nov 02, 2007
Accepted:Dec 09, 2007
How to Cite:DehghanNoudeh G, Moshafi M, Sharififar F, Masoumi M, . STUDIES ON BIOSURFACTANT PRODUCTION BY ACINETOBACTER CALCOACETICUS (PTCC 1318). Jundishapur J Nat Pharm Prod. 2007;2(2):. doi:
Abstract
Surfactants are amphipathic molecules which reduce surface and interfacial tensions and widely used in pharmaceutical, cosmetic, food and petroleum industries. Biosurfactants are the structurally diverse group of surface-active molecules synthesized by microorganisms. There are several advantages for biosurfactants in contrast with chemical surfactants, such as lower toxicity; higher biodegradability; better environmental compatibility; higher foaming; high selectivity and specific activity at extreme temperatures, pH, and the ability to be synthesized from renewable feed-stock.
In the present study, the production of biosurfactant by Acinetobacter calcoaceticus has been studied. A. calcoaceticus PTCC 1318 was grown in the nutrient broth medium and biosurfactant production was evaluated every 24 h by surface tension and emulsification index. Then A. calcoaceticus PTCC 1318 was grown in nutrient broth with different conditions in order to get maximum production of biosurfactant. The best culture medium was found to be nutrient broth medium supplemented with NaCl and almond oil.
After growing the bacteria, the microbial biomass was removed from the supernatant by acidic precipitation method. Its amphipathic structure was established by some biochemical methods and it was confirmed as lipopolysaccharide-protein structure.
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Copyright
© 2007, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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