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Title: Detection of Plasma Curcuminoids from Dietary Intake of Turmeric-Containing Food in Human Volunteers.
Authors: Mahale, Jagdish
Singh, Rajinder
Howells, Lynne M.
Britton, Robert G.
Khan, Sameena M.
Brown, Karen
First Published: 26-Jun-2018
Publisher: Wiley
Citation: Molecular Nutrition and Food Research, 2018, 1800267
Abstract: SCOPE: Curcumin (from turmeric), has been extensively investigated for potential beneficial properties in numerous diseases. Most work has focused on supra-dietary concentrations/doses that would necessitate curcumin supplementation. However, much evidence instigating curcumin research is underpinned by epidemiological data based on low dietary intake via turmeric consumption. METHODS AND RESULTS: Here, a novel, highly sensitive liquid chromatography-electrospray ionization-mass spectrometry (LC-ESI-MS/MS) method for detection of curcuminoids is described. Assay sensitivity is demonstrated in a pilot pharmacokinetic volunteer study following ingestion of foodstuffs containing a standardized mass of turmeric, representative of daily consumption by certain South Asian populations. Free parent curcumin was detectable in plasma from one individual, reaching maximal plasma concentrations (Cmax ) of 3.2 nm. Curcumin conjugates were detected in all volunteers; Cmax for curcumin glucuronide is 47.6 ± 28.5 nm 30 min post-food, while Cmax for demethoxycurcumin glucuronide and curcumin sulfate is ≈2 nm. Curcumin and its major metabolites persist in plasma for at least 8 h. CONCLUSION: Despite poor absorption and rapid conjugation, dietary intake of standard culinary turmeric within complex food matrices furnished human plasma with detectable levels of curcuminoids. Whether sustained low systemic concentrations of these non-nutritive, biologically active, dietary components may have pharmacological activity for human health benefit, warrants further research.
DOI Link: 10.1002/mnfr.201800267
ISSN: 1613-4125
eISSN: 1613-4133
Embargo on file until: 26-Jun-2019
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2018, Wiley. Deposited with reference to the publisher’s open access archiving policy. (
Description: The file associated with this record is under embargo until 12 months after publication, in accordance with the publisher's self-archiving policy. The full text may be available through the publisher links provided above.
Appears in Collections:Published Articles, Dept. of Cancer Studies and Molecular Medicine

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