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| Registros recuperados: 223 | |
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| Neves, Leandro Camargo; Universidade Federal de Roraima; Tosin, Jéssica Milanez; Universidade Federal de Roraima; Silva, Samuel da; Universidade Federal de Roraima; Vasconcelos, Leonara Lima de; Universidade Federal de Roraima; Roberto, Sérgio Ruffo; Universidade Federal de Roraima. |
| The purpose of this study was to identify the effect of delayed storage on the maintenance of the quality and on the control of pulp browning during cold storage of late peach cultivars. The fruit was harvested at the mature-green stage. All cultivars were exposed to temperatures of 20 ± 0.5ºC and 75 ± 3% of moisture in a cold room for 0.24, or 48 hours. Afterwards, the peaches were kept at 0 ± 0.5ºC and 92 ± 3% of R.H. for 28 days. In the end, the yellow pulp cultivars, regardless of temperature and length of delayed storage, did not present signs of internal browning and were of adequate quality for commercialization. When they were not subjected to delayed storage, the white pulp peaches presented pulp browning after 14 days of cold storage plus two... |
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Palavras-chave: Postharvest; Prunus persica; Chilling injury; Storage. |
| Ano: 2012 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/13346 |
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| Almeida, Francisco de Assis Cardoso; UFCG; Cavalcanti, Maria de Fátima Bezerra Soares; UFCG; Santos, João Felinto dos; EMEPA-PB; Gouveia, Josivanda Palmeira Gomes de; UFCG; Barros Neto, Jaime José de Silveira; UFCG. |
| Objetivou-se com o presente trabalho estudar a perda de viabilidade das sementes de duas variedades de Vigna unguiculata, acondicionadas em embalagens de papel e recipiente metálico, armazenados em ambiente não controlado. Após a colheita das sementes, em campos preparados para esta finalidade, as mesmas foram beneficiadas manualmente, tratadas, acondicionadas e armazenadas, para que a cada dois meses fossem avaliadas quanto a sua qualidade fisiológica mediante teste de germinação, indicando a melhor capacidade armazenadora para a condição do estudo. A análise dos dados foi realizada no delineamento inteiramente casualizado, disposto em esquema fatorial 2 x 2 x 2 x 6 com 4 repetições, sendo os fatores quantitativos revelados pela regressão na análise de... |
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Palavras-chave: 5.01.00.00-9 Agronomia Vigna unguiculata; Extrato de Piper nigrum; Armazenamento; Germinação Vigna unguiculata; Piper nigrum extract; Storage; Germination. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/323 |
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| Marcondes, Maria Celeste; UEL - Universidade de Londrina; Andreoli, Claudinei; Embrapa Soja; Miglioranza, Édison; UEL. |
| The objective of this research was to determine the deterioration rate of BRS 208 and CD 104 wheat cultivar seeds, treated with fungicides, by applying the viability equation. Seeds were stored in conventional warehouses in Mauá da Serra and Londrina, in the State of Paraná, Brazil. Four seed lots were divided into four replications, half being treated with Carboxin + Thiran and the other half taken as controls, without treatment, and these were stored for 300 days. The germination data were transformed into probit, and a straight line was adjusted between 0 and 30 days. The treated seed lot of cv. BRS 208 stored in Londrina gave seed deterioration rates varying from 0.8.10-3 to 1.3.10-3, not differing from the values given for the similar lot stored in... |
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Palavras-chave: 5.01.03.03-2 Triticum aestivum L.; Deterioration; Storage; Seed treatment; Mathematic model Produção e Beneficiamento de Sementes Triticum aestivum L.; Deterioration; Storage; Seed treatment; Mathematic model. |
| Ano: 2011 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/6455 |
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| Silva, Gutierres Nelson; Grossi, José Antônio Saraiva; Carvalho, Marcela Silva; Kuki, Kacilda Naomi; Goulart, Samuel de Melo; Pimentel, Leonardo Duarte. |
| Macauba fruits are oil-rich drupes with high moisture content at harvest. This feature can affect the chemical properties of the oil and increase the costs of biodiesel production. Therefore, it is necessary to adopt postharvest strategies to ensure oil quality. The aim of this work was to evaluate the effect of drying macauba fruit on the quality of the pulp oil. Husked and dehusked fruits were dried at 60°C and then stored. At 0, 15, 45, 100, and 180 days after storage, fruit samples were retrieved, and the oil from the pulp was evaluated for physicochemical parameters. The removal of the husk from the fruits considerably reduced the drying time compared to that of the husked fruits. Drying prevented deterioration of the fruit even after 180 days of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acrocomia aculeata; Post-harvest; Storage; Bioenergy; Armazenamento de Produtos Agrícolas. |
| Ano: 2019 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/43451 |
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| Giurizatto, Maria Izabel Kruger; Iagro; Robaina, Antonio Dias; UFGD; Gonçalves, Manoel Carlos; UFGD; Marchetti, Marlene Estevão; UFGD. |
| A técnica de hidratação controlada de sementes vem sendo utilizada como método de condicionamento fisiológico, tanto para sementes deterioradas como para sementes altamente sensíveis à embebição rápida, ou a interação entre ambas, objetivando melhorar o desempenho destas no campo. A hidratação pode ser seguida por secagem, se as sementes não tiverem atingido a fase III da germinação, facilitando, assim, o subseqüente manuseio, armazenamento e semeadura no campo. O objetivo do presente trabalho foi avaliar os efeitos do hidrocondicionamento na qualidade fisiológica de sementes de soja, sendo estas sementes hidrocondicionadas por períodos de 0, 20 e 24h, secas e armazenadas por 0, 90, 180 e 270 dias em câmara seca, com umidade e temperatura controladas. O... |
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Palavras-chave: 5.01.03.05-9 Melhoramento Vegetal Glycine max; Storage; Viability; Vigor Glycine max; Storage; Viability; Vigor. |
| Ano: 2008 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/5972 |
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| Laganá, Christine; Agência Paulista de Tecnologia dos Agronegócios; Pizzolante, Carla Cachoni; Agência Paulista de Tecnologia dos Agronegócios; Turco, Patrícia Helena Nogueira; Moraes, José Evandro de; Agência Paulista de Tecnologia dos Agronegócios; Saldanha, Érika Salgado Politi Braga; Agência Paulista de Tecnologia dos Agronegócios. |
| This study was developed to evaluate the effect of adding natural pigments on the storage of eggs from laying hens in the second production cycle submitted to diets based on corn and low-tannin sorghum. A total of 160 eggs from Hy-Line Brown laying hens at 90 - weeks old after forced molting were used. The study evaluated the isolated effect and the interaction of two factors: the inclusion of natural pigments (control diet - 50% low-tannin sorghum replacing the corn; RC - 2% powdered dry turmeric rhizome; PU - 2% dry annatto powder; RCPU - 1% turmeric rhizome + 1% dry annatto powder) combined with the storage period (0, 3, 7, 14 and 21 days). The studied variables were: specific gravity, percentages of yolk, albumen and shell in relation to the egg... |
| Tipo: Pesquisa de campo |
Palavras-chave: 5.07.03.02-1 coloring; Storage; Yolk; Specific gravity; Pigment; Sorghum. |
| Ano: 2012 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/12096 |
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| Taghinezhad, Ebrahim; Rasooli Sharabiani, Vali. |
| Most of the world's consumers have used the natural coatings instead of chemical coatings. In this research, some quality properties of Thomson orange were evaluated using Chitosan edible coating (at concentrations of 0.5, 1 and 2%) and chemical coating of fungicide (Ortho Phenyl Phenol) as compared to uncoated samples during storage for three months. Fruit were maintained in cold storage at 6 °C temperature and 85-90% relative humidity, then pH, total soluble solid (TSS) of orange juice and percentage of fruit weight loss were measured during storage every month. The results showed that weight loss of fruit with 2% chitosan coating was lower than other treatments. Also this treatment had high resistance against fungal attacks due to high values of pH, so... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chitosan; Citrus; Fungicide; Quality; Storage. |
| Ano: 2018 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4189 |
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| Orhevba, Bosede Adelola. |
| The comparative analysis of the effect of hermetic storage models on the quality of soybean seeds was studied. Freshly harvested soybean pods were depodded and the seeds were sundried at 330C temperature with an average relative humidity of 62% for three days. The seeds were then divided into three portions of 400g and each portion was poured into different storage models which were PVC bags of 400g, jars of one litre capacity and another jar (perforated) of one litre capacity which served as the control. The initial quality parameters of the soybean seeds were determined, while the storage models and control were kept for six weeks. Samples in each storage model and control were analysed for proximate composition and other quality parameters at the end of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Post Harvest Technology soybean; Hermetic; Storage; Hectoliter weight; Proximate Composition. |
| Ano: 2018 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3952 |
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| Chattha, Shakeel Hussain. |
| The change in quality of wheat grains in terms of physical parameters (moisture, test weight, 1000 grain weight and insect damage), chemical parameters (protein, fat, ash and starch) and flour quality tests (falling number, water absorption, dough development time and dough stability) were observed during storage in conventional structures (earthen bin, metal bin, bulk covered and room store) for 12 months. The results showed that test-weight (66.8 kg/hl), 1000 grain weight (39.67 g), protein (8.9%), fat (1.82%), ash (1.62%), starch (61.64%), falling number (285 s), water absorption (62.54%), dough development time (4.7 min) and dough stability (7.47 min) were recorded highest in grain samples collected from earthen bin followed by metal bin, bulk covered... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Storage; Falling number; Test weight; Starch; Wheat quality. |
| Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3446 |
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| Adekola, Kehinde Adedeji; Okolo, Callistus A.; A. Adekola, Kehinde. |
| This study assessed the nutritional quality attributes of maize (Zea mays) stored in metallic silos for a period of eight months in the humid tropics of Nigeria. The nutritional properties (NP) evaluated are percentage ash content (AC), crude fibre (CF), crude protein (CP), carbohydrate content (CHO), fat content (FC), and energy value (EV). The initial or control values were compared with the values obtained during storage. Statistical package for social sciences (SPSS 20) was used to determine the significant levels of data while the Multiple Analysis of Variance (MANOVA) and Duncan’s multivariate test were used to determine the trend of deterioration (P<0.05) for all the values. The minimum and maximum average temperatures during storage were 29oC in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Silo; Corn bulk; Storage; Nutritional value. |
| Ano: 2016 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3522 |
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| BERTOLUCCI,SUZAN K.V.; PEREIRA,ANA B.D.; PINTO,JOSE E.B.P.; OLIVEIRA,ALAIDE B.; BRAGA,FERNAO C.. |
| The leaves of Mikania laevigata and Mikania glomerata are used in Brazil to treat respiratory affections, being kaurane-type diterpenes and coumarin considered as the bioactive compounds. The present study reports an investigation on the HPLC-DAD profiles and contents of coumarin (1), trans-o-coumaric (2), kaurenoic (3), benzoylgrandifloric (4) and cinnamoylgrandifloric (5) acids in dried leaves of Mikania species stored in dark room under controlled conditions. Excepting 2, the constituents were isolated and purified to be employed as reference compounds. The samples were analyzed at three monthly intervals up to 18 months for M. laevigata and 12 months for M. glomerata. trans-o-Coumaric was not detected in both, whereas 1 occurred only in M. laevigata.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chemical markers changes; HPLC-DAD analysis; Mikania laevigata; Mikania glomerata; Storage; Post-harvest. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000200473 |
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| CAKMAK,HULYA; ALTINEL,BURAK; KUMCUOGLU,SEHER; KISLA,DUYGU; TAVMAN,SEBNEM. |
| ABSTRACT Chicken meat in two different forms (chicken meat and chicken meat powder) were added into white flour and whole wheat blend baguette bread formulations for protein enrichment and finally developing new and healthy snacks. The chicken meat and powder levels were 10% for white flour baguette, and 15% for whole wheat blend. The dried baguette samples were packaged under 100% N2, and physical, chemical, microbiological and sensorial properties were evaluated during 3 months of storage. Protein content of chicken meat powder added samples were found statistically higher than chicken meat added samples. Hardness of the snacks was significantly affected from type of chicken meat, such as values were higher for chicken meat added samples than chicken... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Baguette; Chicken meat; Quality; Snack; Storage. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000602387 |
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| SOARES,IVANESA G.M.; SILVA,EDVANE B.; AMARAL,ADEMIR J.; MACHADO,ERILANE C.L.; SILVA,JOSENILDA M.. |
| ABSTRACT This work evaluated the effects of ionizing radiation on the physico-chemical and sensory characteristics of the potato cultivar Ágata (Solanum tuberosum L.), including budding and deterioration, with the end goal of increasing shelf life. For this, four groups of samples were harvested at the maturation stage. Three of them were separately exposed to a Co-60 source, receiving respective doses of 0.10, 0.15 and 2.00 kGy, while the non-irradiated group was kept as a control. All samples were stored for 35 days at 24 °C (± 2) and at 39% relative humidity. The following aspects were evaluated: budding, rot, loss of weight, texture, flesh color, moisture, external and internal appearance, aroma, soluble solids, titratable acidity, vitamin C, protein,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Conservation; Irradiation; Potato; Spoilage; Storage. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000300941 |
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| Registros recuperados: 223 | |
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