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Biblioteca do Café
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Navegação Periódicos por autor "Rosa, Sttela Dellyzete Veiga Franco da"
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Navegação Periódicos por autor "Rosa, Sttela Dellyzete Veiga Franco da"
Itens para a visualização no momento 1-20 of 27
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(Editora UFLA, 2014-01)Considering the worldwide consumption of coffee, it is natural that throughout the history many people have dedicated the research to markers that contribute somehow on gauging its quality. This research aimed to evaluate ... -
(Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2015-06)O objetivo deste trabalho foi avaliar alterações fisiológicas e bioquímicas em sementes de café submetidas à secagem rápida, em sílica gel, e à secagem lenta, em soluções salinas saturadas. As sementes foram secas até que ...
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(Editora UFLA, 2015-10)A avaliação da cor de grãos de café torna-se importante uma vez que cafés com coloração atípica ou com diferentes níveis de branqueamento receberão menores preços no mercado. Além da desvalorização comercial, a alteração ...
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(Associação Brasileira de Tecnologia de Sementes - ABRATES, 2021)Seed deterioration induces the formation of free radicals and proliferation of microorganisms, but the application of external antioxidants may lessen these effects. The aim of this study was to investigate the antioxidant ...
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(Associação Brasileira de Tecnologia de Sementes, 2007-05-22)O momento da colheita e os métodos de secagem podem influenciar a qualidade das sementes de cafeeiro durante o armazenamento. Este trabalho foi realizado com o objetivo de avaliar os efeitos do estádio de maturação e do ...
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(Associação Brasileira de Tecnologia de Sementes - ABRATES, 2018)The accelerated aging test is recognized as an efficient method for evaluating the vigor of seed lots and for estimating their storage potential. Thus, this work aimed to evaluate the association between artificial aging ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2019-05)Tetrazolium tests use conventional sampling techniques in which a sample has a o Zootecnia, Av. Visconde do Rio Preto, s/n — 36301-360 — fixed size. These tests may be improved by sequential sampling, which does not work ...
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(Editora UFLA, 2018-10)A coffee plant producing large fruit, seeds, and leaves in relation to conventional coffee plants, possibly generated by genetic mutation, was named Big Coffee VL. Seeds of this coffee plant were classified by size and ...
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(Editora UFLA, 2021)Coffee seeds are classified as intermediate because they have low tolerance to desiccation and low longevity. Consequently, moisture control and storage conditions are important factors in maintaining the physiological ...
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(Editora UFLA, 2018-11)Coffee is one of the main agricultural commodities in the country, and it is important to conservation of plant material for breeding programs. Cryopreservation is a promising alternative for preserving in the long-term ...
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(Associação Brasileira de Tecnologia de Sementes - ABRATES, 2014)Maturity stage and drying method are the factors that most influence coffee seed quality. The objective of this study was to assess the physiological quality and investigate the electrophoretic patterns of catalase and ...
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(Universidade Federal de Santa Maria, 2018)Enzymes play a fundamental role in degradation of molecules during seed germination, development, and deterioration. Endo- β-mannanase is one of the main enzymes responsible for hydrolysis of mannans in the endosperm during ...
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(Universidade Federal de Lavras, 2023-01-11)The market value of coffee is strongly influenced by loss of quality, which makes storage one of the main steps in the entire production chain. The finite element method (FEM) and computational fluid dynamics (CFD) are ...
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(Associação Brasileira de Tecnologia de Sementes - ABRATES, 2017)Cryopreservation is a viable option for conservation of coffee germplasm. However, for this technique to be completely successful, it is of fundamental importance to carry out studies that ensure maintenance of cell integrity ...
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(Editora UFLA, 2020)The demand for high-quality coffee among consumers has generated a great deal of interest among producers in serving this market. Parameters for physiological analyses that can be associated with aspects of sensory analyses ...
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(Associação Brasileira de Tecnologia de Sementes, 2006-05-30)A cafeína, alcalóide conhecido como 1,3,7-trimetilxantina, é encontrada em sementes quiescentes de cafeeiro, perfazendo um total de 1,1 a 1,7% em Coffea arabica L. e 2 a 3% em Coffea canephora Pierre, localizada em sua ...
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(Editora UFLA, 2015-04)Os efeitos das operações pós-colheita de processamento e secagem e as condições de armazenamento são fatores relevantes a serem considerados para análise da qualidade do café. Dependendo das condições de processamento e ...
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(Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2012-10)O objetivo deste trabalho foi avaliar os perfis proteicos e o desempenho fisiológico de sementes de café submetidas a diferentes métodos de processamento e secagem. Foram avaliados os processamentos por via seca e úmida, ...
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(Associação Brasileira de Tecnologia de Sementes, 2012-10-01)In Brazil, although the coffee plantations are predominantly grown under full sunlight, the use of agroforestry systems can lead to socioeconomic advantages, thus providing a favorable environment to the crop by promoting ...
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(Editora UFLA, 2021)Cryopreservation is a technique that may potentially conserve the germplasm of species of the Coffea genus for an indeterminate time. The aim of this study was to evaluate the physiological, biochemical and ultrastructural ...
Itens para a visualização no momento 1-20 of 27
