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| Santana,Ligia Regina Radomille de; Benedetti,Benedito Carlos; Sigrist,José Maria Monteiro. |
| The sensory, physical and chemical characteristics of 'Douradão' peaches cold stored in different modified atmosphere packaging (LDPE bags of 30, 50, 60, 75µm thickness) were studied. After 14, 21 and 28 days of cold storage (1 ± 1 ºC and 90 ± 5% RH), samples were withdrawn from MAP and kept during 4 days in ambient air for ripening. Descriptive terminology and sensory profile of the peaches were developed by methodology based on the Quantitative Descriptive Analysis (QDA). The assessors consensually defined the sensory descriptors, their respective reference materials and the descriptive evaluation ballot. Fourteen individuals were selected as judges based on their discrimination capacity and reproducibility. Seven descriptors were generated showing... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Prunus persica; Chilling injury; Woolliness; Quantitative descriptive analysis. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452010000300008 |
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| Santana,Ligia Regina Radomille de; Benedetti,Benedito Carlos; Sigrist,José Maria Monteiro; Sato,Hélia Harumi. |
| The present study evaluated the effects of modified atmosphere packaging on inhibition of the development of chilling injury symptoms in 'Douradão' peach after cold storage and the possible involvement of cell wall enzymes. Fruits were harvested at the middle stadium of ripening, packed in polypropylene trays and placed inside low density polyethylene (LDPE) bags (30, 50, 60 and 75 µm of thickness) with active modified atmosphere (10 kPa CO2 + 1.5 kPa O2, balance N2). The following treatments were tested: Control: peaches held in nonwrapped trays; MA30: LDPE film - 30 µm; MA50: LDPE film - 50 µm; MA60: LDPE film - 60 µm and MA75: LDPE film - 75 µm. Fruits were kept at 1±1ºC and 90±5% relative humidity (RH) for 28 days. After 14, 21 and 28 days, samples... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Prunus persica; LDPE; Woolliness; Ethylene synthesis. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452011000400006 |
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| Tecchio,Marco Antonio; Terra,Maurilo Monteiro; Cia,Patrícia; Paioli-Pires,Erasmo José; Moura,Mara Fernandes; Sanches,Juliana; Benato,Eliane Aparecida; Hernandes,José Luiz; Valentini,Sílvia Regina de Toledo; Sigrist,José Maria Monteiro. |
| Com a finalidade de reduzir as perdas ocasionadas pela degrana e podridões na pós-colheita de uva 'Niagara Rosada', foram realizados em 2005, em vinhedos localizados nos municípios de Jales e Louveira, São Paulo-Brasil, experimentos utilizando-se de cinco concentrações de cloreto de cálcio (CaCl2) a 0; 5; 10; 15 e 20 g.L-1, com ou sem a aplicação de 100 mg.L-1 de ácido naftalenoacético (ANA). Com base nos resultados obtidos, realizou-se, em 2006, experimento com quatro concentrações de ANA a 0; 50; 100 e 150 mg L-1, associadas ou não a 10 g.L-1 de CaCl2. As aplicações do ANA foram realizadas um dia antes da colheita, e a do CaCl2, no início da maturação das bagas. Após a colheita, avaliaram-se o teor de sólidos solúveis, a acidez titulável, o pH, a degrana... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vitis sp.; Degrana; Podridões; Regulador vegetal; Auxina. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452009000100009 |
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| Santana,Ligia Regina Radomille de; Benedetti,Benedito Carlos; Sigrist,José Maria Monteiro; Sarantopóulos,Claire Isabel Grígoli de Luca. |
| 'Douradão' peach is a perishable product and when cold stored is subject to chilling injury. The objective of the experiment was to evaluate the effect of modified atmosphere packaging (MAP) and cold storage on quality and storage life of these peaches. Fruits were packed in polypropylene (PP) trays and placed inside low density polyethylene (LDPE) bags (30, 50, 60, 75 μm thickness) with active modified atmosphere (10 kPa CO2 + 1.5kPa O2, balance N2). The control was made with peaches held in nonwrapped PP trays. Fruits were kept at 1 ± 1 °C and 90 ± 5% relative humidity (RH) for 28 days and CO2 and O2 within packages was monitored every two days. After 14, 21 and 28 days, samples were withdrawn from MAP and kept in air at 25 ± 1 °C and 90 ± 5% RH for... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Prunus persica; LDPE; Chilling injury; Woolliness; Storage life. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452010000400009 |
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| Spironello,Ademar; Quaggio,José Antonio; Teixeira,Luiz Antonio Junqueira; Furlani,Pedro Roberto; Sigrist,José Maria Monteiro. |
| There is a lack of information about fertilization of pineapple grown in the State of São Paulo, Brazil. So a field experiment with pineapple 'Smooth Cayenne' was carried out to study the effects of NPK rates on yield and fruit quality. The trial was located on an Alfisol in the central part of the State of São Paulo (Agudos county). The experimental design was an incomplete NPK factorial, with 32 treatments set up in two blocks. The P was applied only at planting, at the rates of 0; 80; 160 and 320 kg/ha of P2 0(5), as superphosphate. The N and K2O rates were 0; 175; 350, and 700 kg/ha, applied as urea and potassium chloride, respectively, divided in four applications during the growth period. Response functions were adjusted to yield or to fruit... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ananas comosus (L.) Merrill; Mineral nutrition; Growth; Soil fertility; Tropics. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452004000100041 |
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