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Cia,Patrícia; Benato,Eliane Aparecida; Valentini,Silvia Regina de Toledo; Anjos,Valéria Delgado de Almeida; Ponzo,Francine Scolfaro; Sanches,Juliana; Terra,Maurilo Monteiro. |
Para a uva 'Niagara Rosada' as perdas pós-colheita devido à degrana e problemas fitossanitários são fatores de grande relevância. A podridão-da-uva-madura, causada pelo fungo C. gloeosporioides, proporciona perdas significativas às frutas colhidas em época quente e úmida. Atualmente, observa-se busca crescente por técnicas alternativas de controle de podridões, bem como para a manutenção da qualidade pós-colheita de frutos, como os tratamentos físicos. O objetivo deste trabalho foi avaliar os efeitos da radiação UV-C no controle de C. gloeosporioides em uvas 'Niagara Rosada', mantidas sob condição ambiente e refrigeração. Para tanto, cachos de uva foram inoculados com o patógeno e, após 2 horas, tratados com UV-C nas doses de 0; 1,05; 2,09; 4,18 e 8,35 kJ... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vitis labrusca; Podridões; Tratamento físico; Luz ultravioleta. |
Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052009000400022 |
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Santana,Ligia Regina Radomille de; Benedetti,Benedito Carlos; Sigrist,José Maria Monteiro; Sato,Helia Harumi; Anjos,Valéria Delgado de Almeida. |
This study was carried out with one of the most important cultivar grown in the State of Sao Paulo, Brazil, which has gained the preference of consumers, due to its sweet taste, intense skin color and large size; however, these fruits are susceptible to chilling injury when cold stored for long periods. The use of controlled atmosphere (CA) with elevated CO2 and reduced O2 concentrations prevent the onset of the chilling symptom. Thus, the effect of three different conditions of controlled atmosphere (CA1, CA2, CA3 and Control) was evaluated in order to extend the storage life of 'Douradão' peaches. After 14, 21 and 28 days, samples were withdrawn from CA and kept in fresh air at 25 ± 1 °C and 90 ± 5% RH to complete ripening. On the day of removal and... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Prunus persica; Chilling; Woolliness; Storage life; Pectolytic enzymes. |
Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612011000100036 |
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Castro,Maria Fernanda Pontes Penteado Moretzsohn de; Anjos,Valéria Delgado de Almeida; Rezende,Ana Carolina Bortolossi; Benato,Eliane Aparecida; Valentini,Silvia Regina de Toledo. |
The application of technologies to extend the postharvest life of mangosteen fruit was studied and compared to storage at 25 °C/70-75%R.H (25 °C control treatment). The fruits were packed in expanded polystyrene (EPS) trays (5 fruits/tray). Five treatments were carried out at 13 °C/ 90-95% RH: application of carnauba wax coating, lecithin + CMC (carboxymethyl cellulose) coating, 50 µm LDPE (low density polyethylene) film coating, 13 µm PVC (Polyvinyl chloride), and non-coated sample (13 °C control treatment). Physicochemical analyses were performed twice a week. A statistical design was completely randomized with 8 repetitions for each treatment plus the control treatment. The results were submitted to variance analysis, and the averages compared by the... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: PVC (polyvinyl chloride); LDPE (low density polyethylene); Carnauba wax; Lecithin; CMC (carboxymethyl cellulose). |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612012000400005 |
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