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Influence of osmotic dehydration on ascorbic acid loss in pickled dry peppers (Capsicum chinense) BABT
Silva,Tissiane Mayara da; Argandoña,Eliana Janet Sanjinez; Madrona,Grasiele Scaramal; Moraes,Izabel Cristina Freitas; Haminiuk,Charles Windson Isidoro; Branco,Ivanise Guilherme.
The objective of this work was (1) to develop a dehydrated pepper with 45% humidity, determining the drying curves for pepper, with and without osmotic pre-treatment and (2) to evaluate the influence of both drying and osmotic treatment on the content ascorbic acid (vitamin C) in fresh pepper and pepper with 45% humidity. The experiments were carried out using the peppers cut in half, with and without osmotic pre-treatment, followed by drying in an oven at 70 ºC. The results showed that the osmotic pretreatment did not influence the retention of ascorbic acid during the drying of pepper. The sensory analysis regarding the color, flavor, and texture attributes revealed that there was no difference in the acceptability.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capsicum chinense; Ascorbic acid; Osmotic dehydration; Drying.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000500016
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Blackberry pomace microspheres: An approach on anthocyanin degradation Ciência e Agrotecnologia
Santos,Suelen Siqueira dos; Paraíso,Carolina Moser; Madrona,Grasiele Scaramal.
ABSTRACT Blackberry pomace is a rich source of antioxidant compounds, including anthocyanins, but these compounds degrade easily in the presence of high temperatures. Therefore, the present study aimed to evaluate the effect of temperature on anthocyanin degradation in spray-dried blackberry pomace extract. Maltodextrin was used as a drying aid agent in a spray drying process to produce microspheres. The experiment was set up at Maringá-PR, Brazil (23º 25’ 31” S, 51º 56’ 19” W, 596 m altitude). The thermal stability of anthocyanins was evaluated in the presence and absence of copigments at different temperatures ranging from 70 °C to 100 °C using degradation kinetics. The role of maltodextrin in protecting anthocyanins during the spray drying process was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rubus fruticosus; Antioxidant analyses; Spray dryer; Kinetics.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542020000100406
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