Extraction of lutein from Marigold flower petals - Experimental kinetics and modelling /
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 parti...
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| Main Authors: | , , |
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| Format: | Book Chapter |
| Jezik: | English |
| Teme: | |
| Online dostop: | http://dx.doi.org/10.1016/j.lwt.2007.11.017 |
| Sorodne knjige/članki: | Vsebovano v:
Lebensmittel-Wissenschaft + Technologie |
| Oznake: |
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| Izvleček: | 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. |
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| Fizični opis: | str. 2008-2016. |
| ISSN: | 0023-6438 |