Journal
MOLECULAR NUTRITION & FOOD RESEARCH
Volume 62, Issue 19, Pages -Publisher
WILEY
DOI: 10.1002/mnfr.201700665
Keywords
broccoli sprouts; human; metabolomics; plasma; sulforaphane
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Funding
- Oregon Agricultural Experimental Station
- National Institute of Health [P01 CA090890, S10RR02787801]
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ScopeSeveral lines of evidence suggest that the consumption of cruciferous vegetables is beneficial to human health. Yet, underlying mechanisms and key molecular targets that are involved with achieving these benefits in humans are still not fully understood. To accelerate this research, we conduct a human study to identify potential molecular targets of crucifers for further study. This study aims to characterize plasma metabolite profiles in humans before and after consuming fresh broccoli sprouts (a rich dietary source of bioactive sulforaphane). Methods and resultsTen healthy adults consume fresh broccoli sprouts (containing 200 mol sulforaphane equivalents) at time 0 and provide blood samples at 0, 3, 6, 12, 24, and 48 h. An untargeted metabolomics screen reveals that levels of several plasma metabolites are significantly different before and after sprout intake, including fatty acids (14:0, 14:1, 16:0, 16:1, 18:0, and 18:1), glutathione, glutamine, cysteine, dehydroepiandrosterone, and deoxyuridine monophosphate. Evaluation of all time points is conducted using paired t-test (R software) and repeated measures analysis of variance for a within-subject design (Progenesis QI). ConclusionThis investigation identifies several potential molecular targets of crucifers that may aid in studying established and emerging health benefits of consuming cruciferous vegetables and related bioactive compounds.
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