[Characterization and technological valuation of ancient apple varieties from Emilia-Romagna region. Study on functional properties of processed into puree apples]

acide ascorbique acido ascorbico aliment santé pour homme alimenti salutistici alimentos sanos almacenamiento en frío antiossidanti antioxidantes antioxidants antioxydant apples ascorbic acid cold storage conservazione emilia romagna food technology fruit pulps health foods land varieties malus pumila manzana mele ossidoriduttasi oxidoreductases oxidorreductasas oxydoréductase pectinas pectine pectins polifenoles polifenoli polyphenols polyphénol pomme preservación preservation préservation pulpa de frutas pulpe de fruits stockage au froid technologie alimentaire tecnologia alimentare variedades indígenas variété indigène viscosidad viscosity viscosité ácido ascórbico émilie romagne