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Title:Analysis of growth models for batch kefir grain biomass production in RC1 reaction system
Authors:Tramšek, Marko (Author)
Goršek, Andreja (Author)
Files:URL http://dx.doi.org/10.1111/j.1745-4530.2007.00187.x
 
Language:English
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:This work describes the statistical analysis of three mathematical models, modified for describing the kefir grain biomass growth curve. Experimental data of time-dependent kefir grain mass increase were used. The propagation was performed in RC1 batch reaction system under optimal bioprocess parameters (temperature, rotational frequency of stirrer, glucose mass concentration) using traditional cultivation in fresh, high-temperature, pasteurized whole fat cow's milk. We compared values of biological parameters obtained by applying the nonlinear regression of experimental data in logistic, Gompertz and Richards models. The most statistically appropriate model was determined using the seven statistical indicators. We established that the kefir grain biomass growth curve during batch propagation under optimal bioprocess conditions can be most successfully described using the Gompertz growth model.
Keywords:chemical processing, milk products, kefir grain growth, process parameters, design of experiments, modeling, mathematical models, Gompertz growth model, RC1
Year of publishing:2008
UDC:66.01:637.1
ISSN on article:0145-8876
COBISS_ID:12374038 Link is opened in a new window
NUK URN:URN:SI:UM:DK:YO3YPPQV
Views:1859
Downloads:72
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Categories:Misc.
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Record is a part of a journal

Title:Journal of food process engineering
Shortened title:J. food process eng.
Publisher:Food & Nutrition Press.
ISSN:0145-8876
COBISS.SI-ID:11290134 New window

Secondary language

Language:English
Keywords:bioprocesi, mlečni izdelki, kefir, kefirna zrna, rast kefirnih zrn, kemijska procesna tehnika, procesni parametri, matematični modeli


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