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Extraction of curcumin from Curcuma longa using meglumine and pyroglutamic acid, respectively, as solubilizer and hydrotrope

Degot, Pierre ; Funkner, Diana ; Huber, Verena ; Köglmaier, Moritz ; Touraud, Didier ; Kunz, Werner


In preceding papers, it could be shown that mixtures of water, ethanol, and triacetin can significantly boost the extraction of curcuminoids out of Curcuma longa, compared to the usually applied water-ethanol mixtures. To further improve it, additives can be beneficial. We show that meglumine and pyroglutamic acid are among the most promising of these additives. First, the influence of meglumine ...


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