BIOEMULSAN PRODUCTION BY IRANIAN OIL RESERVOIRS MICROORGANISMS

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AMIRIYAN A.; NOUHI A.; MAZAHERI ASADI MAHNAZ; SAGGADIAN V.A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE) Year:2004 | Volume:1 | Issue:2 Page(s): 28-35

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Title

BIOEMULSAN PRODUCTION BY IRANIAN OIL RESERVOIRS MICROORGANISMS

Author(s)

AMIRIYAN A. | NOUHI A. | MAZAHERI ASADI MAHNAZ | SAGGADIAN V.A. | Issue Writer Certificate

Keywords

BIOSURFACTANT

BIOEMULSAN

SURFACE TENSION

IRANIAN OIL RESERVOIR

Abstract

The BIOSURFACTANTs are believed to be surface active components that are shed into the surrounding medium during the growth of the microorganisms. The oil degrading microorganism Acinetobacter calcoaceticus RAG-1 produces a poly-anionic BIOSURFACTANT, hetero-polysaccharide bioemulsifier termed as emulsan which forms and stabilizes oil-water emulsions with a variety of hydrophobic substrates. In the present paper results of the possibility of BIOSURFACTANT (Emulsan) production by microorganisms isolated from IRANIAN OIL RESERVOIRs is presented. Fourthy three gram negative and gram positive, non fermentative, rod bacilli and coccobacilli shaped baceria were isolated from the oil wells of Bibi Hakimeh, Siri, Maroon, Ilam , East Paydar and West Paydar. Out of the isolated strains, 39 bacterial strains showed beta haemolytic activity, further screening revealed the emulsifying activity and SURFACE TENSION. 11 out of 43 tested emulsifiers were identified as possible BIOSURFACTANT producers and two isolates produced large SURFACE TENSION reduction, indicating the high probability of BIOSURFACTANT production. Further investigation revealed that, two gram negative, oxidase negative, aerobic and coccoid rods isolates were the best producers and hence designated as IL-1, PAY-4. Whole culture broth of isolates reduced SURFACE TENSION from 68 mN /m to 30 and 29.1mN/m, respectively, and were stable during exposure to high salinity (10%NaCl) and elevated temperatures(120°C for 15 min).

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APA: Copy

AMIRIYAN, A., NOUHI, A., MAZAHERI ASADI, MAHNAZ, & SAGGADIAN, V.A.. (2004). BIOEMULSAN PRODUCTION BY IRANIAN OIL RESERVOIRS MICROORGANISMS. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), 1(2), 28-35. SID. https://sid.ir/paper/531003/en

Vancouver: Copy

AMIRIYAN A., NOUHI A., MAZAHERI ASADI MAHNAZ, SAGGADIAN V.A.. BIOEMULSAN PRODUCTION BY IRANIAN OIL RESERVOIRS MICROORGANISMS. IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE)[Internet]. 2004;1(2):28-35. Available from: https://sid.ir/paper/531003/en

IEEE: Copy

A. AMIRIYAN, A. NOUHI, MAHNAZ MAZAHERI ASADI, and V.A. SAGGADIAN, “BIOEMULSAN PRODUCTION BY IRANIAN OIL RESERVOIRS MICROORGANISMS,” IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE), vol. 1, no. 2, pp. 28–35, 2004, [Online]. Available: https://sid.ir/paper/531003/en

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