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has been cited by the following article:

• TITLE: Isolation and Screening of Filamentous Fungi Producing Extracellular Lipase with Potential in Biodiesel Production

  AUTHORS: Sabrina Moro Villela Pacheco, Américo Cruz Júnior, Ayres Ferreira Morgado, Agenor Furigo Júnior, Onyetugo Chioma Amadi, José Manuel Guisán, Benevides Pessela

  KEYWORDS: Biodiesel Production, Trametes Hirsuta, Lipase

  JOURNAL NAME: Advances in Enzyme Research, Vol.3 No.4, December 21, 2015

  ABSTRACT: Nineteen fungal strains were isolated from a chicken slaughterhouse effluent and within those, only one showed high values of lipolytic activity in submerged cultures. This fungus was identified as Trametes hirsuta. The crude extract was immobilized in chitosan/clay beads, with an immobilization yield of 80.9%. The analyses of the crude extract and the immobilized derivative at different temperatures, pH (s), solvents, metallic ions and storage showed that the immobilization process increased the enzyme life span. Ethyl esters were obtained in solvent free systems using chicken viscera oil and the enzyme crude extract. For effective comparison, a reaction using viscera oil and commercial lipase Novozym 435 was carried out. The result revealed 35% and 28% esters conversion in the reactions containing chicken viscera oil, using Novozym 435 and the crude extract respectively. The extract was also used in a reaction with soybean oil, traditionally used as starting substrate for biodiesel production.