Use este identificador para citar ou linkar para este item: http://repositorio.ital.sp.gov.br/jspui/handle/123456789/121
Título: Iron‑Fortifed Pineapple Chips Produced Using Microencapsulation, Ethanol, Ultrasound and Convective Drying
Autor(es): Carvalho, Gisandro Reis
Massarioli, Adna Prado
Izabela Dutra Alvim, Izabela Dutra
Augusto, Pedro Esteves Duarte







Palavras-chave: Air drying
Nutritional value
Emerging technologies
Dehydration
Dried fruits
Data do documento: 2020
Editor: Springer
Citação: Food Engineering Reviews / https://doi.org/10.1007/s12393-020-09259-4
Resumo: The present work proposes using microencapsulation, ethanol, ultrasound and convective drying to obtain iron fortifed pineapple chips. Iron microparticles were produced by ferrous sulphate encapsulation with maltodextrin by spray drying. As a hydrophilic material, microparticles were dispersed in ethanol to be incorporated into the pineapple tissue, with or without the application of ultrasound. Then, the efect of diferent pre-treatment times with ethanol and ethanol+ultrasound was evaluated on pineapple drying. Finally, the residue of ethanol was evaluated in the fnal products. Pre-treatment with ethanol and ethanol+ultrasound allowed to increase signifcantly the iron content of pineapple chips (up to 1000% in comparison with control). In addition, the drying time decreased from 35.4 to 51.9% with the utilization of ethanol and ultrasound. Pretreatment for 7.5 min allowed to reduce the drying time and to achieve negligible residual ethanol in the sample. The results demonstrated that the combination of the proposed technologies can be used to obtain pineapple chips enriched in iron, with reduced time of drying and a negligible residue of ethanol.
URI: http://repositorio.ital.sp.gov.br/jspui/handle/123456789/121
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