Thursday, 26 April 2018

Comparative Oral Absorption of Curcumin in a Natural Turmeric Matrix with Two Other Curcumin Formulations: An Open-label Parallel-arm Study.

Phytother Res. 2017 Dec;31(12):1883-1891. doi: 10.1002/ptr.5931. Epub 2017 Oct 13. Gopi S1, Jacob J1, Varma K1, Jude S1, Amalraj A1, Arundhathy CA1, George R1, Sreeraj TR1, Divya C2, Kunnumakkara AB3, Stohs SJ4. Author information 1 R&D Centre, Aurea Biolabs (P) Ltd, Cochin, India. 2 Agile Pharma Services, Bangalore, India. 3 Department of Biosciences and Bioengineering, Indian Institute of Technology, Guwahati, India. 4 School of Pharmacy and Health Professions, Creighton University, Omaha, NE, USA. Abstract Curcuminoids are the major bioactive molecules in turmeric, and poor bioavailability deters them from being the major components of many health and wellness applications. This study was conducted to assess the bioavailability of a completely natural turmeric matrix formulation (CNTMF) and compare its bioavailability with two other commercially available formulations, namely, curcumin with volatile oil (volatile oil formulation) and curcumin with phospholipids and cellulose (phospholipid formulation) in healthy human adult male subjects (15 each group) under fasting conditions. Each formulation was administrated orally as a single 500-mg dose in capsule form, and blood samples were analyzed by liquid chromatography mass spectrometry at various time intervals up to 24 h. The ingestion of the CNTMF was very well absorbed and resulted in a mean curcuminoids plasma Cmax of 170.14 ng/mL (Tmax = 4 h) compared with 47.54 ng/mL and 69.63 ng/mL for the volatile oil (Tmax = 3 h) and phospholipid (Tmax = 2.25 h) formulations, respectively. The extent of absorption of total curcuminoids in the blood for the CNTMF was 6× greater than volatile oil formulation and 5× greater than phospholipids formulation. The results of this study indicate that curcumin in a natural turmeric matrix exhibited greater bioavailability than the two comparator products. Copyright © 2017 John Wiley & Sons, Ltd. KEYWORDS: blood plasma absorption; clinical trial; completely natural turmeric matrix; curcumin formulations; phospholipid; turmeric oil PMID: 29027274 DOI: 10.1002/ptr.5931

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