Identification of Surfactin Lipopeptides Isoforms Produced by a Newly Isolated Strain Bacillus Sp. MI27 with Potential Use As Main Ingredients in Detergent Formulation: Application of Mixture Design for the Formulation of a Bio-Based Detergent
Water practice and technology(2024)
摘要
The purification and characterization of lipopeptides biosurfactants produced by Bacillus sp. MI27 permits to identify two clusters of cyclic and linear surfactin isoforms. Aiming for a potential application in industrial biotechnology, we studied its potential washing capacity. The results show a good ability to wash oil stains, motor oil and mayonnaise evaluated by the determination of the % of stain removal and tissue bleaching indices after washing. Optimal washing capacities were unregistered for 300 and 400 mg/L at pH values ranging from 5 to 9 and temperatures ranging from 20 to 40 degrees C. Using a 4-factor mixing design, we optimized a liquid formula composed only of BioS; silicate; carboxymethyl cellulose and calcium phosphate. The washing efficiency of the formula is of the order of 43.46% for petroleum and 49.10% for motor oil with a percentage reduction in surface tension of about 55.79% corresponding to 25.7 mN/m.
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关键词
biosurfactant,detergent,formulation,isoforms,lipopeptide,mixture design,surfactin,washing capacity
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