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. 2013 Mar 28;5(2):16. doi: 10.1186/alzrt170

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Copyright © 2013 Quitschke et al.; licensee BioMed Central Ltd.

This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Concentration of curcuminoids and metabolites in plasma (uM) and brain (nmol/g) after i.v. injection. (A) Time course of total curcuminoids (◊), reduction products (hexa- + octacurcuminoids, ▼), and monoconjugates (sulfates + glucuronides, ▲) in plasma. (B) Time course of individual metabolite concentrations in plasma: hexahydrocurcuminoids (○), octahydrocurcuminoids (□), curcuminoid monoglucuronides (■), and curcuminoid monosulfates (●). (C) Time course of total curcuminoids (◊) and reduction products (▼) in brain. (D) Time course of hexahydro- (○) and octahydrocurcuminoids (□) in brain.