2015
DOI: 10.1080/07373937.2015.1054511
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Optimization of osmotic dehydration of yacon slices

Abstract: The osmotic dehydration assisted by ultrasound (ODAU), in low temperatures, reduces water activity (a w ) and maintains nutrients. The influence of solution concentration (SC, 20 to 60 Brix, xylitol and sorbitol) and ultrasound application time (t us , 0 to 40 min) in ODAU of yacon was studied with the aid of a response surface method. The optimum condition with respect to mass transfer parameters, a w and fructan retention was SC of 60 Brix for both solutions, t us of 2.67 min for xylitol samples and 0 min fo… Show more

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Cited by 34 publications
(24 citation statements)
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References 51 publications
(21 reference statements)
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“…After the PVOD, the samples were immersed in a bath of cold distilled water for 10 s to stop the osmotic process. The surface of the samples was gently dried with an absorbent paper to remove the excess of solution (de Mendonça et al, ). The moisture content of the osmodehydrated samples was determined according to the AOAC standard method 934.06 (AOAC, ) and the average final value was 0.667 kg [H 2 O] kg −1 dry matter [DM].…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…After the PVOD, the samples were immersed in a bath of cold distilled water for 10 s to stop the osmotic process. The surface of the samples was gently dried with an absorbent paper to remove the excess of solution (de Mendonça et al, ). The moisture content of the osmodehydrated samples was determined according to the AOAC standard method 934.06 (AOAC, ) and the average final value was 0.667 kg [H 2 O] kg −1 dry matter [DM].…”
Section: Methodsmentioning
confidence: 99%
“…Osmotic dehydration (OD) is employed with the goal of reducing physical, chemical and nutritional changes during further drying (Corrêa, Dev, Gariepy, & Raghavan, ; Fante, Corrêa, Natividade, Lima, & Lima, ). It consists on the immersion of the product in a hypertonic solution with consequently partial water removal and maintenance of the characteristics of the fresh product (de Mendonça, Corrêa, Junqueira, Pereira, & Vilela, ; Junqueira, Corrêa, & Mendonça, in press). The OD could be performed within reduced pressure in the first minutes in a process called pulsed vacuum osmotic dehydration (Corrêa, Ernesto, & Mendonça, ; Oliveira, Corrêa, Pereira, Ramos, & Vilela, ).…”
Section: Introductionmentioning
confidence: 99%
“…As raízes foram lavadas, descascadas manualmente e cortadas em fatias de 2,00 cm de comprimento x 2,00 cm de largura x 0,50 cm de espessura, com auxílio de uma faca e um molde de aço inox, em seguida foram imersas por 3 minutos em solução aquosa de ácido cítrico 1% (p/v) para minimizar escurecimento enzimático (MENDONÇA et al, 2015).…”
Section: Preparação Das Amostras E Solução Osmóticaunclassified
“…Dentre os vários métodos empregados para extensão da vida útil e estabilidade de alimentos perecíveis, a desidratação osmótica (DO) é um processo simples e barato, que auxilia o consumo dos produtos em regiões distantes do local de produção e em períodos de entressafra (Mendonça et al, 2016;Singh, Gupta, 2007).…”
Section: Introductionunclassified