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Sonocrystallisation of lactose in concentrated whey.
Zisu, Bogdan; Sciberras, Michael; Jayasena, Vijay; Weeks, Mike; Palmer, Martin; Dincer, Tuna D.
Afiliación
  • Zisu B; Dairy Innovation Australia Ltd., Werribee, Victoria, Australia. Electronic address: bzisu@dairyinnovation.com.au.
  • Sciberras M; Dairy Innovation Australia Ltd., Werribee, Victoria, Australia.
  • Jayasena V; Curtin University, School of Public Health, Food Science and Technology Program, Perth, Australia.
  • Weeks M; Dairy Innovation Australia Ltd., Werribee, Victoria, Australia.
  • Palmer M; Dairy Innovation Australia Ltd., Werribee, Victoria, Australia.
  • Dincer TD; Curtin University, School of Public Health, Food Science and Technology Program, Perth, Australia.
Ultrason Sonochem ; 21(6): 2117-21, 2014 Nov.
Article en En | MEDLINE | ID: mdl-24792784
Whey concentrated to 32% lactose was sonicated at 30°C in a non-contact approach at flow rates of up to 12L/min. Applied energy density varied from 3 to 16J/mL at a frequency of 20kHz. Sonication of whey initiated the rapid formation of a large number of lactose crystals in response to acoustic cavitation which increased the rate of crystallisation. The rate of sonocrystallisation was greater than stirring for approximately 180min but slowed down between 120 and 180min as the metastable limit was reached. A second treatment with ultrasound at 120min delivering an applied energy density of 4J/mL stimulated further nuclei formation and the rate of crystallisation was maintained for >300min. Yield on the other hand was limited by the solubility of lactose and could not be improved. The crystal size distribution was narrower than that with stirring and the overall crystal size was smaller.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Sonicación / Cristalización / Lactosa Límite: Animals Idioma: En Revista: Ultrason Sonochem Asunto de la revista: DIAGNOSTICO POR IMAGEM Año: 2014 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Sonicación / Cristalización / Lactosa Límite: Animals Idioma: En Revista: Ultrason Sonochem Asunto de la revista: DIAGNOSTICO POR IMAGEM Año: 2014 Tipo del documento: Article Pais de publicación: Países Bajos