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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/164059
Human hydroxytyrosol's absorption and excretion from a nutraceutical
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Among the various (poly)phenols that are being sold as such or as part of a more complex mixture, hydroxytyrosol (HT) is the only one that bears a European Food Safety Authority health claim. Therefore, several HT-based products are being developed and sold and it becomes necessary to evaluate its accessibility following ingestion. Twenty-one volunteers were recruited for a randomized, crossover, placebo-controlled, and double-blind intervention study.We performed a Latin square design: after one-week washout, i.e. olive-free diet, subjects were randomly assigned to the placebo (maltodextrin), 5, or 25 mg/day HT group. Twenty-four hour urine samples were collected after the intervention week, and baseline urines were collected the week before the study and during periods of washout. The results show that HT given as the foremost component of a nutraceutical preparation is bioavailable and is recovered in the urine chiefly as sulphate-3′.
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KHYMENETS, Olha, CRESPO, M. carmen, DANGLES, Olivier, RAKOTOMANOMANA, N., ANDRÉS LACUEVA, Ma. cristina, VISIOLI, F. (francesco). Human hydroxytyrosol's absorption and excretion from a nutraceutical. _Journal of Functional Foods_. 2016. Vol. 23, pàgs. 278-282. [consulta: 31 de gener de 2026]. ISSN: 1756-4646. [Disponible a: https://hdl.handle.net/2445/164059]