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Nutraceuticals and bioactives from seafood byproducts
Shahidi, F. (2003). Nutraceuticals and bioactives from seafood byproducts, in: Bechtel, P.J. (Ed.) Advances in Seafood Byproducts: 2002 conference proceedings. Alaska Sea Grant College Program Report, AK-SG-03-01: pp. 247-263
In: Bechtel, P.J. (Ed.) (2003). Advances in Seafood Byproducts: 2002 conference proceedings. Alaska Sea Grant College Program Report, AK-SG-03-01. Alaska Sea Grant College Program, University of Alaska Fairbanks: Fairbanks. ISBN 1-56612-082-9. 566 pp., more
In: Alaska Sea Grant College Program Report. University of Alaska Sea Grant College Program: Fairbank. ISSN 0271-7069, more

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Document type: Conference paper


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  • Shahidi, F.

    Seafood processing byproducts may account for up to 80% of the weight of the harvest and, depending on the species involved, include a variety of constituents with potential for use as nutraceuticals and bioactives. Nutraceuticals, defined as ingredients or extracts with clinically proven health promoting activity, including disease prevention and treatment, may be consumed in the medicinal form, as supplements or as functional food ingredients. Thus, a variety of seafood processing byproducts may render benefits above their nutritional value. As an example, highly unsaturated long-chain omega-3 fatty acids, derived from the liver of white lean fish, flesh of fatty fish, and blubber of marine mammals, exhibit important biological activities. They also serve as the building block fatty acids in the brain, retina, and other organs with electrical activity. Hence, inclusion of oils containing docosahexaenoic acid (DHA) in the diet of pregnant and lactating women as well as infants is encouraged. In addition, chitinous materials, carotenoids, and biopeptides, arising from proteins, may be recovered from processing byproducts of crustaceans, including shrimp, crab, and lobster. The health benefits of chitosan, chitosan oligomers, and glucosamine are related to the multifunctional role of these ingredients, including immunomodulatory activity. Meanwhile, antioxidative peptides with up to 16 amino acids in chain length have been isolated from skin of pollock and their use as nutraceuticals may prove beneficial. Hence, byproduct processed from seafoods may possess multifunctional roles and could serve as important value-added nutraceuticals and functional food ingredients.

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