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- Title
Resin selection for the separation of caffeine from green tea catechins.
- Authors
Méndez Sevillano, David; van der Wielen, Luuk A. M.; Hooshyar, Nasim; Ottens, Marcel
- Abstract
This work focuses on the rapid selection of a resin from a defined set of macroporous polymeric resins for the decaffeination of catechins from green tea. High-throughput experimentation and design of experiments are used in order to retrieve as much information as possible from a small set of experiments on the interaction of components with the resins. A multicomponent Langmuir isotherm model is used to describe the adsorption and parameters are regressed with high accuracy. These parameters are subsequently used for the definition of criteria to calculate a weighted resin score. The optimal resin is Diaion 2OHP with a score of 90.50%, mainly due to its good selectivity for caffeine over catechin (3).
- Subjects
GREEN tea; POLYPHENOLS; METHYLXANTHINES; CATECHIN; ANTINUTRIENTS
- Publication
Food & Bioproducts Processing: Transactions of the Institution of Chemical Engineers Part C, 2014, Vol 92, Issue 2, p192
- ISSN
0960-3085
- Publication type
Article
- DOI
10.1016/j.fbp.2014.02.002