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RECOVERY OF OMEGA-3 HEALTH BOOSTERS FROM FISHERIES AND POULTRY WASTES & THEIR MICRO-DELIVERY TECHNIQUES. Mitra Analava, Dey Baishakhi, Mitra Anindya

RECOVERY OF OMEGA-3 HEALTH BOOSTERS FROM FISHERIES AND POULTRY WASTES & THEIR MICRO-DELIVERY TECHNIQUES.

Mitra Analava, Dey Baishakhi, Mitra Anindya

International Journal of Drug Delivery Science 2014; 1(1): 1-13

Abstract

Poultries play a substantial role in the socio-economic development of rural India with a phenomenal growth also in the fisheries and aquaculture system; but the phenomenal growth of such industries have inevitably resulted into environmental hazards since rapid transformation of poultry and fish processing waste is rarely recycled with any degree of efficiency. Fish and chicken visceral wastes are found to be rich sources of proteins, proteolytic enzymes and PUFAs (particularly the renowned omega- 3 health boosters); disposal of such wastes in a non-scientific and non ethical ways causes not only environmental pollution but also loss of valuable nutrients which could be exploited as a potential source of Nutraceuticals/ Functional foods. Despite immense health benefits, due to high degree of unsaturations these PUFAs make it more prone to oxidative deterioration and production of off-flavors. Microencapsulation technologies using polysaccharides, cellulose or other carbohydrates as encapsulants promote the wide spread use and delivery of the PUFAs as nutraceuticals. Apart from optimized use of PUFAs from discards, this paper also deals with optimized use of other discards. This review further makes a specific attempt on a 3-fold attempt to highlight the medicinally useful bioactive constituents derived from discarded fishery and poultry wastes, methods adopted for the recovery of omega fatty acids from the wastes and the nano/micro technologies like microemulsions, liposome entrapment, spray drying, extrusion, hydrogel particles, complex coacervation etc that are applied for the encapsulation and delivery of such health boosters.
Keywords: Aquaculture, bioactive, microencapsulation, nutraceuticals
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