title: Optical characterization in annatto and commercial colorific.
authors.affiliation: Universidade do Vale do Paraíba-UNIVAP, São José dos Campos, SP, Brazil.
authors.forename: Vanessa M
authors.initials: VM
authors.lastname: Dias
authors.forename: Viviane
authors.initials: V
authors.lastname: Pilla
authors.forename: Leandro P
authors.initials: LP
authors.lastname: Alves
authors.forename: Hueder P M
authors.initials: HP
authors.lastname: Oliveira
authors.forename: Egberto
authors.initials: E
authors.lastname: Munin