Worldwide, the fishing of crustacean shellfish provides a major contribution to the food supply and diet of,many millions of People. Because of their size and greater abundance, the smaller forms ie. krill and shrimps, represent the most significant. Much of the catch is Processed to provide meat which comes from the ''tail''or abdominal part of the animals. Although the processing is highly developed in some parts of the world, there still remains a problem of the large amount of waste irrespective of the technology used. Mechanical removal of shells also consumes large quantities of water in which some of the constituent molecules of the animals are solubilised. The waste takes the form of the ''head'' or cephalothorax region of the body and the shell from the abdominal region. Although some of this is reduced to low grade animal feed, both these wastes represent a largely untapped reservoir of other useful, and in some cases high value products. At present much of this waste is discarded and is highly polluting. The proposed research aims to develop processes for the total utilization of the crustaceans. It has four specific objectives concerned with the processing of the prime resource of the shell fish ie the meat, and the utilization of the excessive waste that results from current processing practices. It is proposed therefore to (1) explore new and more efficient approaches to the processing of krill and shrimp for improved recovery of meat; (2) to explore the processing of the meat to develop new products; (3) to investigate the recovery of added value products from ''head'' waste and washwaters, eg. extracts for use as food additives, enzymes for healthcare, proteins having a functional use in food processing, carotenoid pigments as food colorants, and fatty acids with dietary value; (4) to investigate the use of shell waste as a source of chitin and chitin derivatives, and food colorants, and as a substrate for solid state fermentation for the production of microbial metabolites and animal feed.
Funding SchemeCSC - Cost-sharing contracts
BT9 5AH Belfast
30000 Nakhon Ratchasima
6500 Santiago De Chile
4031 Los Banos