Fish oil acidity reduction by enzymatic esterification. (October 2017)

• Record Type: Journal Article
• Authors: Mata, Teresa M.; Correia, Daniela; Pinto, Ana; Andrade, Soraia; Trovisco, Isabel; Matos, Elisabete; Martins, António A.; Caetano, Nídia S.
• Is Part Of: Energy procedia. Volume 136(2017)
• Page Start: 474
• Page End: 480
• Publication Date: 2017-10
• Subjects: Acidity reduction -- Enzymatic esterification -- Fish oil -- FFA -- Lipozyme TL 100L -- Lipozyme CALB L; Power resources -- Congresses; Power resources -- Periodicals; Power resources; Conference proceedings; Periodicals; 333.7905
• DOI: 10.1016/j.egypro.2017.10.306
• Languages: English
• ISSNs: 1876-6102

Abstract

Abstract: This work studies the enzymatic esterification for fish oil acidity reduction. Lipozyme TL 100L showed greater acidity reduction (75 %) for esterification at 40 °C, with ethanol 96 %, with enzyme/oil and alcohol/FFA mass ratios of respectively 0.01 and 3.24 w/w, reaching 3.13 mg KOH/g oil of final acid value or 1.57 % FFA content. Lipozyme CALB L showed greater acidity reduction (76 %) for esterification at 45 °C, with ethanol 99.8 %, with enzyme/oil and alcohol/ FFA mass ratios of respectively 0.0045 and 4.92 w/w, reaching 3.33 mg KOH/g oil of final acid value or 1.67 % FFA content.