info:eu-repo/semantics/article
Spray-air contact in tall and short-type spray dryers affects important physicochemical properties of microencapsulated chia seed oil
Fecha
2020-08-27Registro en:
Bordón, María Gabriela; Alasino, Noelia Pia Ximena; Defain Tesoriero, María Victoria; Camacho, Nahuel Matias; Penci, Maria Cecilia; et al.; Spray-air contact in tall and short-type spray dryers affects important physicochemical properties of microencapsulated chia seed oil; MDPI; Proceedings; 53; 1; 27-8-2020; 1-7
2504-3900
CONICET Digital
CONICET
Autor
Bordón, María Gabriela
Alasino, Noelia Pia Ximena
Defain Tesoriero, María Victoria
Camacho, Nahuel Matias
Penci, Maria Cecilia
Martinez, Marcela Lilian
Ribotta, Pablo Daniel
Resumen
The aim of this work was to determine the influence of the spray dryer`s aspect ratio (height/diameter) on the physico-chemical properties of microencapsulated chia oil (CSO). Two different dryers were analyzed: a tall-type dryer [H/D = 5/1], and a short-type dryer [H/D = 1.65/1]. The former corresponded to a co-current flow, while the latter had a central air disperser in the chamber, and a rotary air flow. Emulsions were prepared by homogenization of CSO, and a mixture of soy protein isolate (SPI) and gum arabic (GA). The co-current contact in the tall-type dryer yielded greater oxidative stability indexes (OSI) (three times higher than CSO), which was possibly associated the reduced thermal degradation. It can be concluded that a co-current contact constitutes a better alternative for the protection of CSO.