Castor bean cake protein-based biodegradable films: gallic acid effect - Mamani, Hulda Noemi Chambi; Graziano, Juliana Augusti; Lacerda, Roseli Sengling; Bittante, Ana Mônica Quinta Barbosa; Gomide, Catarina Abdalla; Sobral, Paulo José do Amaral (Brazilian Archives of Biology and Technology, 2020)