Encontrados 5 documentos, a visualizar página 1 de 1
Organic acids concentration in citrus juice from conventional versus organic fa...
Duarte, Amílcar; Caixeirinho, Dalila da Cruz; Miguel, Maria Graça; Sustelo, V.; Nunes, Carla; Fernandes, M. M.; Marreiros, AntónioEvery day consumers make choices about what to eat and ask themselves “Should I be buying organic food?” For producers, is very important to have technical information about the quality of organic products. It can facilitate to demonstrate the quality of organic products, in comparison with conventional ones. The purpose of our work was to compare internal and external characteristics of citrus, produced in org...
Consequences of iron deficiency on fruit quality in citrus and stawberry
Pestana, M.; Varennes, Amarilis de; Miguel, Maria Graça; Correia, P. J.Proceedings of the International Conference “Environmentally friendly and safe technologies for quality of fruit and vegetables”, held in Universidade do Algarve, Faro, Portugal, on January 14-16, 2009. This Conference was a join activity with COST Action 924. ; Iron deficiency (iron chlorosis) is an important nutritional disorder in several plants, including fruit trees and strawberry. Iron chlorosis does not...
Quality changes during storage of apricot (prunus armeniaca l.) cv. ‘beliana’ a...
Antunes, Maria Dulce; Miguel, Maria Graça; Neves, M. A.; Cavaco, A. M.Proceedings of the International Conference “Environmentally friendly and safe technologies for quality of fruit and vegetables”, held in Universidade do Algarve, Faro, Portugal, on January 14-16, 2009. This Conference was a join activity with COST Action 924. ; Calcium salts have been successfully used to maintain firmness and to slow down ripening processes in some fruit. This work studies the effect of post...
Essential oils of flowers of Citrus sinensis and Citrus clementina cultivated i...
Miguel, Maria Graça; Dandlen, S.; Figueiredo, A. C.; Barroso, J. G.; Pedro, L. G.; Duarte, Amílcar; Faísca, J.The essential oils, isolated by hydrodistillation, from the flowers of different cultivars of Citrus sinensis (L.) Osbeck (Cs) and Citrus clementina Hort. Ex Tan. (Cc) collected at different harvesting times, were analyzed by GC and GC-MS. All the samples studied afforded yellowish oil which yields ranged from 0.05 to 0.08 % (v/w). The monoterpene fraction dominated both oils (66-91%), being the monoterpene hyd...
Produção de metabolitos de stress por culturas de células em suspençaõ de Ononi...
Miguel, Maria GraçaDissertação de dout., Bioquímica Vegetal (Biotecnologia Vegetal), Univ. do Algarve, 1994
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