Studying physical state of films based on casava starch and/or chitosan by dielectric and thermal properties and effects of pitanga leaf hydroethanolic extract

Eleonora Iaccheri, Valentina Siracusa, Luigi Ragni, Ana Cristina De Aguiar Saldanha Pinheiro, Santina Romani, Pietro Rocculi, Marco Dalla Rosa, Paulo José do Amaral Sobral