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Title

A kinetic study on formaldehyde production in cryostabilized water-soluble fish muscle extracts

AuthorsRodríguez Herrera, Juan José ; Roos, Yrjö H.
KeywordsFormaldehyde production
Water-soluble fish extracts
Reaction kinetics
WLF equation
WLF equation
Freeze-concentration
Maltodextrins
Arrhenius equation
Issue Date2000
PublisherElsevier
CitationInnovative Food Science and Emerging Technologies 1(3): 227-235 (2000)
AbstractFormaldehydeŽFA.production in water-soluble fish extracts containing maltodextrins depends on the specific diffusion and freeze-concentration of reactants in the unfrozen waterŽUFW.phase. A WLF model did not describe the kinetics of FA production when reaction rate was used as the output variable. Methodological limitations in determining Tgand Cgrestricted the use of this equation. The kinetics of FA production were alternatively defined by an exponential model, which, however, would not apply near the freezing point as it does not consider the inflection due to dilution of reactants. Limitations in determining the freeze-concentration of reactants in the UFW phase also prevented the study of whether FA production followed Arrhenius kinetics. However, the use of reaction rate constants for the hydrolysis of nitrophenyl taking place under diffusion- limiting conditions data from Champion, D., Blond, G., & Simatos, D.Ž1997.Reaction rates at subzero, temperatures in frozen sucrose solutions: a diffusion-controlled reaction. Cryo-Letters, 18, 251 260 showed that it apparently followed an Arrhenius behavior in the frozen state
Description9 páginas, 7 figuras, 2 tablas
Publisher version (URL)http://dx.doi.org/10.1016/S1466-8564(00)00025-4
URIhttp://hdl.handle.net/10261/57063
DOI10.1016/S1466-8564(00)00025-4
ISSN1466-8564
Appears in Collections:(IIM) Artículos
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