CLA-producing adjunct cultures improve the nutritional value of sheep cheese fat

[EN]The influence of the autochthonous CLA-producing Lactobacillus plantarum TAUL 1588 and Lactobacillus casei subsp. casei SS 1644 strains and the ripening time on the fatty acid (FA) content and sensory characteristics of sheep cheese were investigated. Three cheese types with different cultures a...

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Detalles Bibliográficos
Autores: Renes Bañuelos, Erica, Gómez Cortés, Pilar, Fuente, Miguel Ángel de la, Linares, Daniel M., Tornadijo Rodríguez, María Eugenia, Fresno Baro, José María
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2019
País:España
Institución:Universidad de León
Repositorio:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:buleria.unileon.es:10612/17865
Acceso en línea:https://www.sciencedirect.com/science/article/pii/S0963996918307397?via%3Dihub
https://hdl.handle.net/10612/17865
Access Level:acceso abierto
Palabra clave:Tecnología de los alimentos
Autochthonous cultures
Cheese
Conjugated linoleic acid
Fatty acid
Sensory characteristics
Sheep
3309 Tecnología de Los Alimentos
3309.09 Productos lácteos
Descripción
Sumario:[EN]The influence of the autochthonous CLA-producing Lactobacillus plantarum TAUL 1588 and Lactobacillus casei subsp. casei SS 1644 strains and the ripening time on the fatty acid (FA) content and sensory characteristics of sheep cheese were investigated. Three cheese types with different cultures and the control cheese were produced in duplicate and ripened for 8 months. 86 individual FA were determined by gas chromatography. Ripening time (2, 90, 180 and 240 days) did not have a significant effect (P >.05) on the FA content. However, the presence of both Lactobacillus CLA-producing strains led to a decrease of the saturated FA content and to 1.30, 1.19 and 1.27 times higher levels of vaccenic acid, CLA and omega-3, respectively, when compared to the control cheese. This combination allowed obtaining sheep milk cheeses with a healthier FA content, without appreciable changes on sensory characteristics. This work could be a promising approach to increase the bioactive fatty acid content of cheeses.