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Mounting evidence supports the potential of dietary bioactives to reduce chronic disease risk. N-trans-caffeoyltyramine (NCT) and N-trans-feruloyltyramine (NFT) have been hypothesized to drive regulation of gut permeability, but these components have not yet been studied in the context of the human gut microbiome. This work examined whether purified NCT and NFT, or a hemp hull product containing NCT and NFT (Brightseed® Bio Gut Fiber™), can impact the gut microbiome using an in vitro fermentation assay. Representative human gut microbiomes were treated with Bio Gut Fiber™ or NCT and NFT and compared to starch and methylcellulose, as controls, in vitro. Stronger changes were exerted by Bio Gut Fiber™, NCT, and NFT. Communities treated with Bio Gut Fiber™ saw increased productivity and diversity. We found a dose-dependent effect of NCT and NFT on microbial communities. Here, we describe novel potential for hemp-derived bioactives to shape the gut microbiome.
Martinez et al. (Tue,) studied this question.