2005
DOI: 10.1590/s0101-20612005000300026
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Estabilidade da polpa de pitanga sob congelamento

Abstract: RESUMODentre as frutas tropicais, a pitanga, ainda pouco estudada, apresenta um grande apelo sensorial e uma excelente qualidade vitamínica devido ao seu elevado teor de carotenóides. Este trabalho teve como objetivo avaliar a estabilidade da polpa de pitanga preservada por congelamento (-18 C) através das análises de pH, acidez total titulável, sólidos solúveis, sólidos totais, açúcares redutores e totais e aceitação sensorial nos tempos 0, 30, 60, 90 dias, carotenóides totais e cor instrumental, nos tempos 0… Show more

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Cited by 31 publications
(33 citation statements)
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“…The variation in ascorbic acid content in fruits can be explained by several factors that affect its synthesis and retention. These include variety and environmental factors, especially insolation and cultivation (Dib Taxi et al, 2003), and also processing and storage conditions (Lopes et al, 2005). Pasteurization causes low level-loss of ascorbic acid due to the reduced time under high temperature; but the freezing process and storage at freezing temperatures usually cause retention of ascorbic acid and pigments in food (Rodriguez-Amaya, 1999;Aquino et al, 2011).…”
Section: Sample Preparationmentioning
confidence: 99%
See 1 more Smart Citation
“…The variation in ascorbic acid content in fruits can be explained by several factors that affect its synthesis and retention. These include variety and environmental factors, especially insolation and cultivation (Dib Taxi et al, 2003), and also processing and storage conditions (Lopes et al, 2005). Pasteurization causes low level-loss of ascorbic acid due to the reduced time under high temperature; but the freezing process and storage at freezing temperatures usually cause retention of ascorbic acid and pigments in food (Rodriguez-Amaya, 1999;Aquino et al, 2011).…”
Section: Sample Preparationmentioning
confidence: 99%
“…According to Lopes et al (2005), frozen storage of pitanga pulp is the most viable alternative from the product quality point of view.…”
Section: Sample Preparationmentioning
confidence: 99%
“…Trabalhos reportando perda de ácido ascórbico e/ou carotenóides totais foram verificados por LEE e COATES 16 , que observaram que o suco de laranja reteve 80,8% de ácido ascórbico durante o período de armazenamento de 24 meses a -23 °C; KABASAKALIS et al 15 , que verificaram 28,9% de perda de ácido ascórbico, após 4 meses, em suco de laranja comercial longa vida armazenado em temperatura ambiente; FREITAS et al 9 , que observaram uma redução de 45,12% e 3,61% nos conteúdos de ácido ascórbico e carotenóides totais, respectivamente, para suco de acerola previamente submetido a tratamento térmico e armazenado a 28 °C por 350 dias; e LOPES et al 17 , que verificaram uma retenção de carotenóides de 86,24%, trabalhando com polpa de pitanga congelada.…”
Section: Caracterização Físico-química Do Blend De Laranja E Cenoura unclassified
“…Up to 2006, the state of Pernambuco, Brazil had the largest commercial scale plantation of this fruit in Latin America, with a production between 1300 and 1700 ton/ year (SILVA, 2006). Although some studies with Brazilian cherry do exist (LOPES et al, 2005;ONGARATTO;VIOTTO, 2009;LOPES et al, 2013;FREITAS et al, 2014) there is a considerable deficiency of data on the processing of this tropical fruit.…”
Section: Introductionmentioning
confidence: 99%