Acrylamide reduction after phenols addition to Californian-style black olives

A method for reducing the acrylamide formation in Californian-style black olive varieties by the addition of different phenol standards and olive leaf extract (OLE) during the sterilisation and baking process was described. A significant reduction in the acrylamide content (10–13 percent) of all thr...

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Detalles Bibliográficos
Autores: Martin Vertedor, Daniel, Fernández, A., Hernández, A., Arias Calderón, Rocío, Delgado Adámez, J., Pérez Nevado, Francisco
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/34936
Acceso en línea:https://hdl.handle.net/10578/34936
Access Level:acceso abierto
Palabra clave:Acrylamide
Baking process
Olive leaf extract (OLE)
Oxidised black olive
Phenol standard
Sterilisation
Descripción
Sumario:A method for reducing the acrylamide formation in Californian-style black olive varieties by the addition of different phenol standards and olive leaf extract (OLE) during the sterilisation and baking process was described. A significant reduction in the acrylamide content (10–13 percent) of all three olive varieties studied was observed when hydroxytyrosol was added to olives before the sterilisation process. The addition of OLE (1:10 dilution) also reduced the acrylamide formation (35 percent). An acrylamide inhibition of around 54 percent occurred when individual phenol standards were added to OLE, mostly hydroxytyrosol. During the baking processes, the maximum acrylamide content was reached when extreme times and temperatures were applied. However, the addition of OLE in brine before thermal sterilisation mitigated the formation of acrylamide by more than twice that of the initial concentration, and the addition of phenols to the olives attenuated the acrylamide reduction by four-fold in both baking treatments. In addition, it was possible to reduce the acrylamide content even further when certain measures were applied in combination with the addition of phenols during the oxidised black olives elaboration process