M-PVA magnetic sorbent was applied for the first time to recovering concentrate of anthocyanin pigments from aqueous extract. M-PVA was separated from the sorption medium under the action of external magnetifield. Desorption with 96% ethanol yielded a solution in which the concentration of the pigments was three times higher than in the initial extract. The concentrate recovery takes 15 min. M-PVA sorbent can be repeatedly used for recovering desired molecules from a medium containing particles of vegetable material.
Russian Journal of Applied Chemistry – Springer Journals
Published: Jul 24, 2013
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