Lipase-mediated transformation of vegetable oils into biodiesel using propan-2-ol as acyl acceptor

Biotechnology Letters
Mukesh Kumar ModiR B N Prasad

Abstract

Propan-2-ol was used as an acyl acceptor for immobilized lipase-catalyzed preparation of biodiesel. The optimum conditions for transesterification of crude jatropha (Jatropha curcas), karanj (Pongamia pinnata) and sunflower (Helianthus annuus) oils were 10% Novozym-435 (immobilized Candida antarctica lipase B) based on oil weight, alcohol to oil molar ratio of 4:1 at 50 degrees C for 8 h. The maximum conversions achieved using propan-2-ol were 92.8, 91.7 and 93.4% from crude jatropha, karanj and sunflower oils, respectively. Reusability of the lipase was maintained over 12 repeated cycles with propan-2-ol while it reached to zero by 7(th) cycle when methanol was used as an acyl acceptor, under standard reaction conditions.

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Citations

Apr 5, 2007·Applied Microbiology and Biotechnology·Takanori TaninoAkihiko Kondo
Apr 9, 2008·Applied Microbiology and Biotechnology·Wei DuDehua Liu
Apr 13, 2010·Biotechnology Letters·Guo-dong SuYing Lin
Apr 20, 2010·Biotechnology Letters·Prakash S BisenG B K S Prasad
Oct 6, 2009·Applied Biochemistry and Biotechnology·Gwi-Taek Jeong, Don-Hee Park
Mar 10, 2009·Biotechnology Advances·A Robles-MedinaE Molina-Grima
Sep 1, 2009·Microbial Biotechnology·Stefan UthoffAlexander Steinbüchel
Sep 26, 2014·Bioresource Technology·Yao WangYantao Li
Dec 4, 2008·Critical Reviews in Biotechnology·Kenthorai Raman JegannathanPogaku Ravindra
Oct 2, 2007·Journal of Agricultural and Food Chemistry·Casimir C AkohJei-Fu Shaw

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