This study was developed with the purpose to investigate the effect of polysaccharide/plasticiser concentration on the microstructure and molecular dynamics of polymeric film systems, using transmission electron microscope imaging (TEM) and nuclear magnetic resonance (NMR) techniques. Experiments were carried out in chitosan/glycerol films prepared with solutions of different composition. The films obtained aft...
The quality of frozen foods can be negatively a ected if improper storage and distribution temperatures are allowed. The objective of this study was to investigate the e ect of freeze-thaw cycles, which may occur in the cold chain, on colour (Lab, Total Colour Di erences (TCD), chroma and hue angle) and vitamin C (ascorbic and dehydroascorbic acids) content of frozen strawberries (Fragaria ananassa, Duschesne,...
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