Glass transition temperature of regular and lactose hydrolyzed milk powders

The glass transition temperatures (Tg) of lactose hydrolyzed milk powder (HMP) was determined and compared to that of regular milk powders (MP). Some physical and chemical changes (loss of flowing ability, browning development) were also evaluated during storage of the different milk powders. Sugars...

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Autor principal: Fernández, E.
Otros Autores: Schebor, C., Chirife, J.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Academic Press 2003
Acceso en línea:Registro en Scopus
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100 1 |a Fernández, E. 
245 1 0 |a Glass transition temperature of regular and lactose hydrolyzed milk powders 
260 |b Academic Press  |c 2003 
270 1 0 |m Chirife, J.; Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina 
506 |2 openaire  |e Política editorial 
504 |a Buera, M.P., Chirife, J., Resnik, S., Nonenzymatic nonoxidative browning in hydrolyzed shelf-stable concentrated cheese whey (1990) Journal of Food Science, 55, p. 697 
504 |a Burin, L., Buera, M.P., Hough, G., Chirife, J., Thermal resistance of β-galactosidase in dehydrated dairy model systems as affected by physical and chemical changes (2002) Food Chemistry, 76, pp. 423-430 
504 |a Chirife, J., Karel, M., Flink, J., Studies on mechanisms of retention of volatile in freeze-dried food models: The system PVP-n-propanol (1973) Journal of Food Science, 38, pp. 671-674 
504 |a Greenspan, L., Humidity fixed points of binary saturated aqueous solutions (1977) Journal of Research of the National Bureau of Standards, 81 (A), pp. 89-96 
504 |a Jouppila, K., Roos, Y., Glass transitions and crystallization in milk powders (1994) Journal of Dairy Science, 77, pp. 2907-2915 
504 |a Karmas, R., Buera, M.P., Karel, M., Effect of glass transition on rates of non-enzymatic browning in food systems (1992) Journal of Agricultural and Food Chemistry, 40, pp. 873-879 
504 |a Labrousse, S., Roos, Y., Karel, M., Collapse and crystallization in amorphous matrices with encapsulated compounds (1992) Sciences des Aliments, 12, pp. 575-769 
504 |a Lazar, M., Brown, A., Smith, G., Lindquist, F., (1956) Food Technology, 10, pp. 129-134 
504 |a Lozano, R., Diferencias de color (1979) Investigación y Ciencia, 39, pp. 8-14 
504 |a Peleg, M., Mannheim, C., The mechanism of caking of onion powder (1977) Journal of Food Processing and Preservation, 1, pp. 3-11 
504 |a Roos, Y., Melting and glass transition of low molecular weight carbohydrates (1993) Carbohydrate Research, 238, pp. 39-48 
504 |a Saltmarch, M., Vagnini-Ferrari, M., Labuza, T., Theoretical basis and application of kinetics to browning in spray-dried whey food systems (1981) Progresses in Food Nutrition and Science, 5, p. 331 
504 |a Schebor, C., Chirife, J., A survey of water activity and pH values in fresh pasta packed under modified atmosphere elaborated in Argentina and Uruguay (2000) Journal of Food Protection, 63, p. 965 
504 |a Schebor, C., Buera, M.P., Karel, M., Chirife, J., Color formation due to non-enzymatic browning in amorphous, glassy, anhydrous, model systems (1999) Food Chemistry, 65, pp. 427-432 
504 |a Shimada, Y., Roos, Y., Karel, M., Oxidation of methyl linoleate encapsulated in amorphous lactose-based food model (1991) Journal of Agriculture and Food Chemistry, 39, p. 637 
504 |a To, E., Flink, J., "Collapse", a structural transition in freeze-dried carbohydrates III Prerequisite of recrystallization (1978) Journal of Food Technology, 13, pp. 586-594 
504 |a Tsourouflis, S., Flink, J., Karel, M., Loss of structure in freeze-dried carbohydrates solutions: Effect of temperature, moisture content and composition (1976) Journal of the Science of Food and Agriculture, 27, pp. 509-519 
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520 3 |a The glass transition temperatures (Tg) of lactose hydrolyzed milk powder (HMP) was determined and compared to that of regular milk powders (MP). Some physical and chemical changes (loss of flowing ability, browning development) were also evaluated during storage of the different milk powders. Sugars of HMP (glucose, galactose, lactose) influenced, but did not define, the Tg values of the product, on the contrary lactose governed the observed Tg values of MP samples. Changes in the flowing characteristics of milk powder and color development, stored at different water activity values, were much more evident in HMP than in regular milk powder. Results suggested that the Tg value is not the unique parameter governing the flowability and color development in stored milk powders. © 2003 Swiss Society of Food Science and Technology. Published by Elsevier Science Ltd. All rights reserved.  |l eng 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica, 06251 
536 |a Detalles de la financiación: Inter-American Development Bank 
536 |a Detalles de la financiación: The authors acknowledge finantial support from the Agencia Nacional de Promoción Cientı́fica y Tecnológica (Proyecto 06251, préstamo BID 1201/OC-AR). 
593 |a Departamento de Industrias, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, Argentina 
700 1 |a Schebor, C. 
700 1 |a Chirife, J. 
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