1. Institute of Applied Biotechnology and Food and Health Research Centre, University of Kuopio, P.O. Box 1627, FIN-70211 Kuopio, Finland, Department of Food Science, Swedish University of Agricultural Sciences (SLU), 750 07 Uppsala, Sweden, Food Research, MTT Agrifood Research Finland, FIN-31600 Jokioinen, Finland, and Área Nutrición y Bromatología, Facultad de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, E-37007 Salamanca, Spain