Martins, R. C.Silva, C. L. M.2011-10-232011-10-232000MARTINS, R. C. ; SILVA, C. L. M. - Colour and chlorophyll's degradation kinetics of frozen green beans (Phaseolus Vulgaris, L.). In International Conference on Predictive Modelling in Foods, 3, Leuven, Belgium, 12-15 September, 2000 - Predictive Modelling in Foods-Conference Proceedings. Leuven : BioTeC, Katholieke Universiteit Leuven, 2000. ISBN 90-5682-400-7. p. 98-100http://hdl.handle.net/10400.14/6968Colour changes and chlorophyll's degradation of frozen green beans (Phaseolus vulgaris, L., variety bencanta) were studied during 250 days of storage at -7, -15 and -30°C. Chlorophyll's a and b losses were modelled by a first order reaction kinetics. Colour Hunter a and b coordinates and total colour difference were successfully described by a first order reversible model. The temperature effect was well mathematically described by the Arrhenius law, for both quality parameters.engjournal article