2006
DOI: 10.1590/s0101-20612006000300036
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Estudo da desidratação osmótica de tomate em soluções ternárias pela metodologia de superfície de resposta

Abstract: rEsumoO objetivo deste trabalho foi estudar a influência da temperatura (20 -40 °C), da composição da solução (0% NaCl/65% sacarose -10% NaCl/55% sacarose) e do nível de agitação (0 -1000 rpm), na desidratação osmótica de metades de tomate. O processo foi realizado em um tanque encamisado conectado a um banho termostático, sendo a agitação da solução osmótica promovida por um agitador mecânico e medida por um tacômetro digital. Os resultados foram analisados por metodologia de superfície de resposta, de acordo… Show more

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Cited by 16 publications
(20 citation statements)
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References 16 publications
(19 reference statements)
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“…The combination of high temperatures and time of processing promotes alterations on the cell wall structure leading to water loss and consequently accumulation of sugars (TONON et al, 2006). Acidity, expressed as citric acid percentage, ranged from 0.12 (Beauregard and ILS 44) to 0.18 (ILS 16) in sweet potatoes in natura and from 0.09 (Cuia) to 0.32 (ILS 16) in the roasted form.…”
Section: Resultsmentioning
confidence: 99%
“…The combination of high temperatures and time of processing promotes alterations on the cell wall structure leading to water loss and consequently accumulation of sugars (TONON et al, 2006). Acidity, expressed as citric acid percentage, ranged from 0.12 (Beauregard and ILS 44) to 0.18 (ILS 16) in sweet potatoes in natura and from 0.09 (Cuia) to 0.32 (ILS 16) in the roasted form.…”
Section: Resultsmentioning
confidence: 99%
“…According to Tonon et al . (), the presence of Na + and Cl − ions alters the permeability of the plasma membrane, increasing the shift of water from the food to the solution. These results are in contrast to those obtained by Alves et al .…”
Section: Resultsmentioning
confidence: 99%
“…This is probably due to the low concentration of sodium chloride used in this study (3%). According to Tonon et al (2006), the presence of Na + and Cl À ions alters the permeability of the plasma membrane, increasing the shift of water from the food to the solution. These results are in contrast to those obtained by Alves et al (2005) in a study in which they dehydrated acerola in binary (sucrose) and ternary (sucrose plus sodium chloride) solutions.…”
Section: Water Lossmentioning
confidence: 99%
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“…As amostras retiradas foram submetidas à lavagem com água destilada em temperatura ambiente para remoção do excesso de sal na superfície e em seguida, foram secas em papel toalha e pesadas em balança analítica [15]. …”
Section: Desidratação Osmóticaunclassified