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Revista chilena de nutrición

On-line version ISSN 0717-7518

Abstract

VALENZUELA B, Alfonso et al. Phospholipids from marine origin: a new alternative for supplementing omega-3 fatty acids. Rev. chil. nutr. [online]. 2014, vol.41, n.4, pp.433-438. ISSN 0717-7518.  http://dx.doi.org/10.4067/S0717-75182014000400013.

Nutritional deficit of omega-3 long-chain polyunsaturated fatty acids (omega-3 LCPUFA), mainly eicosapentaenoic acid and docosahexaenoic acid, in the western population due the low consumption of marine products is actually a matter of concern. The classical alternative is the development of products with fish oil containing triglycerides rich in omega-3 LCPUFA: fish oil as such, encapsulated, microencapsulated or nanoencapsulated. However, independently of such procedures, reversion of taste and odor is always produced, avoiding its consumption. Phospholipids from marine origin are at present a more interesting alternative and of major nutritional impact than triglycerides for supplement omega-3 LCPUFA. These natural products have high concentration of omega-3 LCPUFA, mainly docosahexaenoic acid, are also more stable to oxidation and of higher bioavailability than triglycerides, and in addition provide other nutrients having nutritional benefits. However, at present industrial alternatives to obtain marine phospholipids are limited and probably subjected to future regulations or restrictions. This work analyzes the main advantages of marine phospholipids compared to triglycerides as source of omega-3 LCPUFA, the main sources for these nutrients, such as oils obtained from crustaceous, fish meal or by-products from aquaculture, and the future alternatives to provide the pharmaceutical, nutraceutical and food industry phospholipids from marine origin rich in omega-3 LCPUFA.

Keywords : Omega-3 fatty acids; marine oils; marine phospholipids; by-products from aquaculture.

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