Technological development of functional egg products by an addition of n-3 polyunsaturatedfatty-acid-enriched oil

Eggs are good candidates to be employed as functional food and to provide people with bioactive compounds such as n-3 PUFAs. However, in most cases, development of eggs with high content of n-3 PUFAs was carried out by modifying the hens’ feed. In the present work, egg-derived sticks with high conte...

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Detalles Bibliográficos
Autores: Lamas Freire, Alexandre, Antón, X., Miranda López, José Manuel, Roca Saavedra, Paula, Cardelle Cobas, Alejandra, Rodríguez, J.A., Franco Abuín, Carlos Manuel, Cepeda Sáez, Alberto
Tipo de recurso: artículo
Fecha de publicación:2015
País:España
Institución:Universidad de Santiago de Compostela (USC)
Repositorio:Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
Idioma:inglés
OAI Identifier:oai:minerva.usc.gal:10347/15878
Acceso en línea:http://hdl.handle.net/10347/15878
Access Level:acceso abierto
Palabra clave:Materias::Investigación::32 Ciencias médicas::3206 Ciencias de la nutrición
Descripción
Sumario:Eggs are good candidates to be employed as functional food and to provide people with bioactive compounds such as n-3 PUFAs. However, in most cases, development of eggs with high content of n-3 PUFAs was carried out by modifying the hens’ feed. In the present work, egg-derived sticks with high content of n-3 PUFAs were technologically developed through addition of three different sources of n-3 PUFAs: linseed oil, fish oil and microalgae oil. The developed products were compared to conventional egg-derived products for their proximate composition, fatty acid profile, colour and consumer acceptability. Additionally, lipid oxidation was investigated after 30 days of frozen storage. Nutritional composition, colour parameters and consumer acceptability revealed that egg-derived product obtained by addition of linseed oil was the most adequate. Egg-derived functional foods developed by technological methods are viable and could be considered as an interesting alternative, especially for catering companies