2010
DOI: 10.4260/bjft2010130200013
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Otimização da desidratação osmótica do jambo-vermelho (Syzygium malaccense)

Abstract: To reduce post-harvest losses and diversify the industrial use of red-iamb (Syzygium malaccensis) was used the process of osmotic dehydration using a 2 ³ factorial experimental design complete, having as independent variables: temperature (20 º to 70 º C), concentration of sucrose (16 ° Brix to 84 Brix) and immersion time (1.3 to 4.7 h), and dependent: loss of moisture (PU) and weight (PP), solid gain (SG) and the index of efficiency of dehydration (DEI). The results demonstrated the significant influence of a… Show more

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Cited by 2 publications
(3 citation statements)
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References 14 publications
(33 reference statements)
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“…The signifi cant differences regarding to water loss and sugar uptake can be seen only between in natura and osmo-treated yacon, in any process condition. The percentage losses of proteins, fats and minerals were 16.98±9.11%, 14.74±11.15% and 23.39±20.80%, which are similar to the results found by Araújo (2009) for the osmotic dehydration of red-iamb (Syzygium malaccensis) in sucrose solution. Figure 1 presents the mass variation of the yacon slices during the osmotic treatment.…”
Section: Centesimal Composition Of the Yacon In Natura And Osmotic Desupporting
confidence: 88%
See 1 more Smart Citation
“…The signifi cant differences regarding to water loss and sugar uptake can be seen only between in natura and osmo-treated yacon, in any process condition. The percentage losses of proteins, fats and minerals were 16.98±9.11%, 14.74±11.15% and 23.39±20.80%, which are similar to the results found by Araújo (2009) for the osmotic dehydration of red-iamb (Syzygium malaccensis) in sucrose solution. Figure 1 presents the mass variation of the yacon slices during the osmotic treatment.…”
Section: Centesimal Composition Of the Yacon In Natura And Osmotic Desupporting
confidence: 88%
“…, (2) Being: S i the yacon solids mass in a time i (g) and X i the moisture content (w.b.) in a time i (%), obtained by gravimetric analysis.…”
Section: Osmotic Dehydration and Convective Dryingmentioning
confidence: 99%
“…Na secagem convectiva, o araçá desidratado osmoticamente foi inserido em bandejas de aço inoxidável e levados a um secador de bandejas, em escala de bancada até a obtenção de um fruto com 20 a 25% de umidade, pois segundo a legislação federal vigente a umidade de frutos em passas não deve ultrapassar 25% (BRASIL, 2011). Empregou-se apenas um nível de temperatura e velocidade do ar de secagem, 60 ±5 ºC e 1,5 m/s, respectivamente, por aproximadamente 9 horas, as mesmas condições utilizadas por Araújo et al (2010); Germer et al (2011) ao desidratarem caju e pêssego respectivamente. As passas de araçá foram caracterizadas pelas análises de acidez, pH, sólidos solúveis totais (SST), vitamina C, cinzas, açúcares redutores e não-redutores, sólidos totais e umidade, conforme as normas do Instituto Adolfo Lutz (2008), em triplicatas.…”
Section: Secagem Convectivaunclassified