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Title:Extraction of lutein from Marigold flower petals - Experimental kinetics and modelling
Authors:ID Hojnik Niderl, Maša (Author)
ID Škerget, Mojca (Author)
ID Knez, Željko (Author)
Files:URL http://dx.doi.org/10.1016/j.lwt.2007.11.017
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The extraction kinetics behaviour of lutein from Marigold flower petals and simultaneous alkali hydrolysis has been studied. Extraction was carried out by varying following operating conditions: type of organic solvent, temperature, ratio liquid: material, concentration of alkali solution, and particle size of plant material. Experimental extraction curves were analysed with a mathematical model derived from Fick's second law. The extraction of lutein appeared to be governed by slow and fast diffusion processes. Results showed that the intra-particle diffusion was the rate-governing step of the extraction process, and that the chosen model gives very good approximation of experimental data.
Keywords:lutein, marigold, conventional extraction, diffusivity, mass transfer
Year of publishing:2008
PID:20.500.12556/DKUM-26244 New window
UDC:66-987:544.4
ISSN on article:0023-6438
COBISS.SI-ID:12546070 New window
NUK URN:URN:SI:UM:DK:TEKLSPQ5
Publication date in DKUM:31.05.2012
Views:2292
Downloads:110
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Lebensmittel-Wissenschaft + Technologie
Shortened title:Lebensm.-Wiss. + Technol.
Publisher:Academic Press
ISSN:0023-6438
COBISS.SI-ID:5180423 New window

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