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IJNRD
INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT
International Peer Reviewed & Refereed Journals, Open Access Journal
ISSN Approved Journal No: 2456-4184 | Impact factor: 8.76 | ESTD Year: 2016
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Impact Factor : 8.76

Issue per Year : 12

Volume Published : 7

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Paper Title: PRODUCTION, EXTRACTION AND CHARACTERIZATION OF BIOSURFACTANT PRODUCED BY MARINE MICROBIAL ISOLATES
Authors Name: Sloka K. Desai , Vrutika C. Tailor , Dr. Krishpa B. Shah
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IJNRD_183106
Published Paper Id: IJNRD2209141
Published In: Volume 7 Issue 9, September-2022
DOI: http://doi.one/10.1729/Journal.32038
Abstract: Biosurfactants are extracellular surface active compounds produced by bacteria, fungi and yeast. Most microbial surfactants are complex molecules, comprising different structures that include lipopeptides, glycolipids, polysaccharides protein complexes, fatty acids and phospholipids. The main criteria used in this study were isolation of biosurfactants producer were hemolytic assay, bacterial adherence to hydrocarbons (BATH), visualization of bacteria in oil droplets, drop collapse test and emulsification assay. Isolation and screening of biosurfactant producing bacteria were performed from marine water and sand samples collected from Tithal beach of Valsad district and Dumas beach of Surat District, Gujarat, India and isolation was done on nutrient agar plates and Sabouraud’s agar plates, from which 9 bacterial isolates and 4 fungal isolates were obtained. Isolates were characterized and analyzed, based on different screening methods like growth on mineral salt agar medium, hemolytic assay, BATH assay, visualization of bacteria in oil droplets, drop collapse test and emulsification assay. 7 isolates were able to grow on MSM. 8β (hemolytic) and 5ɣ (non- hemolytic) isolates were obtained on blood agar plates. In BATH assay from 9 isolates, 2 isolates shown high affinity with engine oil. 6 isolates had shown the red dot of TTC absorption in visualization of bacteria in oil droplates. In drop collapse test only 1 isolate using supernatant had shown great activity. In emulsification assay only 1 isolate was found promising biosurfactant producer and is selected based on its highest emulsification activity and is used for production and extraction process. Production of biosurfactant was carried out by single isolate which one is showing high zone as well as passing all the screening test. Finally production of biosurfactants was carried out by only 1 isolate. The biosurfactant was extracted from the cell- free supernatant by centrifugation. Antibacterial activity of biosurfactant was done against the test organisms and zone of inhibition was observed. Also the qualitative analysis of the extracted biosurfactant was done by TLC and FTIR to check presence of possible functional group.
Keywords: Biosurfactant producing microbes, Haemolytic activity, Triphenyl tetrazolium chloride, Bacterial Adhesion to Hydrocarbon (BATH) assay, organic solvent (chloroform- methanol), Antibacterial activity
Cite Article: "PRODUCTION, EXTRACTION AND CHARACTERIZATION OF BIOSURFACTANT PRODUCED BY MARINE MICROBIAL ISOLATES", International Journal of Novel Research and Development (www.ijnrd.org), ISSN:2456-4184, Vol.7, Issue 9, page no.1199-1212, September-2022, Available :http://www.ijnrd.org/papers/IJNRD2209141.pdf
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ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator
Publication Details: Published Paper ID:IJNRD2209141
Registration ID: 183106
Published In: Volume 7 Issue 9, September-2022
DOI (Digital Object Identifier): http://doi.one/10.1729/Journal.32038
Page No: 1199-1212
Country: Valsad, Gujarat, India
Research Area: Science
Publisher : IJ Publication
Published Paper URL : https://www.ijnrd.org/viewpaperforall?paper=IJNRD2209141
Published Paper PDF: https://www.ijnrd.org/papers/IJNRD2209141
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ISSN: 2456-4184
Impact Factor: 8.76 and ISSN APPROVED
Journal Starting Year (ESTD) : 2016

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