Bioavailability of broccoli sprouts in different human overweight populations

Broccoli sprouts rich in glucosinolates have shown interesting properties mitigating the inflammatory status linked to obesity. Studies performed in healthy lean subjects have shown that these compounds possess good bioavailability, however long-term studies in overweight populations are scarce. The...

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Bibliographic Details
Authors: Villaño Valencia, Débora, López-Chillón, María Teresa, Zafrilla, Pilar, Moreno, Diego A.
Format: article
Status:Versión aceptada para publicación
Publication Date:2019
Country:España
Institution:Universidad Pública de Navarra
Repository:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:academica-e.unavarra.es:2454/52902
Online Access:https://hdl.handle.net/2454/52902
Access Level:Open access
Keyword:Broccoli sprouts
Glucosinolates
Isothiocyanates
Sulphoraphane
Bioavailability
Menopause
Obesity
Description
Summary:Broccoli sprouts rich in glucosinolates have shown interesting properties mitigating the inflammatory status linked to obesity. Studies performed in healthy lean subjects have shown that these compounds possess good bioavailability, however long-term studies in overweight populations are scarce. The aim of this study was to evaluate the bioavailability of broccoli sprouts in overweight adults: men, non-menopausal women and post-menopausal women. An in vivo controlled parallel study was performed in 69 healthy overweight subjects that consumed broccoli sprouts (30 g/day) during 5 weeks, with a follow-up phase of 5 weeks of normal diet without broccoli sprouts. Trial registered at ClinicalTrials.gov as NCT03390855. Metabolites from glutathione detoxification pathway increased in all groups after 5 weeks of broccoli consumption, especially in post-menopausal women (Sulphoraphane-N-Acetyl cysteine levels from 0.0656 nmol/mg creatinine to 1.8191 nmol/mg creatinine, p < 0.001) and similar behaviour was observed for Sulphoraphane and Sulphoraphane-Cysteine. Post-menopausal condition was associated with higher levels of metabolites.