3 documents found, page 1 of 1
Prevalence and factors associated with vitamin A deficiency in children and ado...
Ribeiro-Silva,Rita de Cássia; Nunes,Itaciara L.; Assis,Ana Marlúcia OliveiraObjective:To identify the prevalence and factors associated with vitamin A deficiency (VAD) in children and adolescents.Methods:This was a cross-sectional study involving 546 schoolchildren, aged between 7 and 14 years, of both genders, enrolled in public elementary schools. Blood was collected for measurement of serum retinol. The retinol concentration in the samples was determined by high performance liquid c...
Obtenção de nanocelulose da fibra de coco verde e incorporação em filmes biodeg...
Machado,Bruna A. S.; Reis,João H. O.; Silva,Jania B. da; Cruz,Lindaiá S.; Nunes,Itaciara L.; Pereira,Fabiano V.; Druzian,Janice I.Composites strengthened with nanocellulose have been developed with the aim of improving mechanical, barrier, and thermal properties of materials. This improvement is primarily due to the nanometric size and the high crystallinity of the incorporated cellulose. Cassava starch films plasticized with glycerol and incorporated with nanocellulose from coconut fibers were developed in this study. The effect of this ...
Obtenção de cristais de licopeno a partir de descarte de tomate
Nunes,Itaciara L.; Mercadante,Adriana Z.As pesquisas com licopeno têm sido intensificadas uma vez que o consumo de alimentos ricos neste caroteno, como tomate e seus produtos, tem sido associado com o menor risco de desenvolvimento de câncer de próstata. Os objetivos deste trabalho foram (1) desenvolver e otimizar um método para extração de licopeno a partir de descarte de tomate, (2) utilizar este método na obtenção de licopeno a partir de diferente...