Technological challenges to assess n-3 polyunsaturated fatty acids from marine oils for nutritional and pharmacological use
DOI:
https://doi.org/10.3989/gya.1993.v44.i1.1119Keywords:
Information (paper), Marine oil, Nutritional property, Pharmacological property, Polyunsaturated fatty acidAbstract
The benefits ascribed to marine oils rich in n-3 polyunsaturated fatty acids has led to efforts to improve the chemical and organoleptic characteristics of these oils and to develop procedures for the obtention of pure or highly concentrated fractions of some n-3 fatty acids. Two n-3 fatty acids are of main interest; the eicosapentaenoic acid (C20:5, EPA) and the docosahexaenoic acid (022:6, DHA). The present review is referred to the identification of the main sources of marine n-3 polyunsaturated fatty acids, and to the stabilization of these fatty acids against oxidative rancidity. In addition the procedures for the obtention of EPA and DHA concentrates and the utilization of these fatty acids for nutritional or pharmacological purposes are also discussed.
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