Application of lipase to concentrate the docosahexaenoic acid (DHA) fraction of fish oil.
A commercial lipase preparation from Rhizopus niveus was used to concentrate the omega-3 fatty acid, docosahexaenoic acid (DHA) component in fish oil. The DHA content of cod-liver oil was 9.64% (w/w) of total fatty acids. Enzymatic digestion conditions were established which produced a DHA content in the monoglycerides fraction of 29.17% (w/w) of total fatty acid, triglyceride, and diglyceride components were 5.72, 9.95, and 15316%, respectively.
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Biology Department, University of Waterloo, Waterloo, Ontario, Canada.
Ward
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Noronha
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