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Determination of stability in dressing salad lyophilized by digital image proce...
Silva, Kelly; Ferreira, E. C.; Amaral, A. L.; Leão, M. H. M. Rocha; Coelho, M. A. Z.Digital image processing (DIP) is a powerful tool that can be used to describe the loss of emulsion stability by molecular diffusion or coalescence. The stability of salad dressings (lemon juice and extra virgin olive oil) microencapsulated with biopolymers (without sorbitol) was analyzed by fluorescence DIP for a 110 days period. The emulsions were stored both refrigerated (4ºC) and at room temperature (27ºC)....
Morphological analysis of Yarrowia lipolytica under stress conditions through i...
Kawasse, F. M.; Amaral, P. F.; Leão, M. H. M. Rocha; Amaral, A. L.; Ferreira, E. C.; Coelho, M. A. Z.Stress conditions (thermal and oxidative) were applied to Yarrowia lipolytica culture. A rearrangement in cell metabolism as well as dimorphism was observed under these conditions. An image analysis procedure was employed for morphology characterization, and a net increase of around 25% on hyphae formation was detected. A significant increment in total hyphal length was detected, compared with the control syste...
Morphological analysis of Yarrowia lipolytica under stress conditions through i...
Kawasse, F. M.; Amaral, P. F.; Leão, M. H. M. Rocha; Coelho, M. A. Z.; Amaral, A. L.; Ferreira, E. C.Yarrowia lipolytica is an aerobic microrganism capable to produce important metabolites, has an intense secretory activity which drives efforts to be employed in industry (as a biocatalyst), in molecular biology and genetics studies. Dimorphism is refeered to fungi ability to growth in two distinct forms, usually as single oval cells os as a filament and to be reversible between each one. The cell shape is cont...
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