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Article

Evidence on the Bioaccessibility of Glucosinolates and Breakdown Products of Cruciferous Sprouts by Simulated In Vitro Gastrointestinal Digestion

Laboratory of Phytochemicals and Healthy Foods (LabFAS), Group on Quality, Safety, and Bioactivity of Plant Foods (CEBAS-CSIC), Campus Universitario de Espinardo, 25, 30100 Murcia, Spain
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Academic Editor: Jesus Simal-Gandara
Int. J. Mol. Sci. 2021, 22(20), 11046; https://doi.org/10.3390/ijms222011046
Received: 10 September 2021 / Revised: 8 October 2021 / Accepted: 9 October 2021 / Published: 13 October 2021
Cruciferous vegetables are gaining importance as nutritious and sustainable foods, rich in phytochemical compounds such as glucosinolates (GSLs). However, the breakdown products of these sulfur-based compounds, mainly represented by isothiocyanates (ITC) and indoles, can contribute to human health. In the human digestive system, the formation of these compounds continues to varying extents in the different stages of digestion, due to the contact of GSLs with different gastric fluids and enzymes under the physicochemical conditions of the gastrointestinal tract. Therefore, the aim of the present work was to uncover the effect of gastrointestinal digestion on the release of glucosinolates and their transformation into their bioactive counterparts by applying a simulated in vitro static model on a range of brassica (red radish, red cabbage, broccoli, and mustard) sprouts. In this sense, significantly higher bioaccessibility of ITC and indoles from GSLs of red cabbage sprouts was observed in comparison with broccoli, red radish, and mustard sprouts, due to the aliphatic GSLs proportion present in the different sprouts. This indicates that the bioaccessibility of GSLs from Brasicaceae sprouts is not exclusively associated with the initial content of these compounds in the plant material (almost negligible), but also with the release of GSLs and the ongoing breakdown reactions during the gastric and intestinal phases of digestion, respectively. Additionally, aliphatic GSLs provided higher bioaccessibility of their corresponding ITC in comparison to indolic and aromatic GSLs. View Full-Text
Keywords: brassica; sprouts; sulfur-based compounds; isothiocyanates; indoles; bioaccessibility brassica; sprouts; sulfur-based compounds; isothiocyanates; indoles; bioaccessibility
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MDPI and ACS Style

Abellán, Á.; Domínguez-Perles, R.; García-Viguera, C.; Moreno, D.A. Evidence on the Bioaccessibility of Glucosinolates and Breakdown Products of Cruciferous Sprouts by Simulated In Vitro Gastrointestinal Digestion. Int. J. Mol. Sci. 2021, 22, 11046. https://doi.org/10.3390/ijms222011046

AMA Style

Abellán Á, Domínguez-Perles R, García-Viguera C, Moreno DA. Evidence on the Bioaccessibility of Glucosinolates and Breakdown Products of Cruciferous Sprouts by Simulated In Vitro Gastrointestinal Digestion. International Journal of Molecular Sciences. 2021; 22(20):11046. https://doi.org/10.3390/ijms222011046

Chicago/Turabian Style

Abellán, Ángel, Raúl Domínguez-Perles, Cristina García-Viguera, and Diego A. Moreno 2021. "Evidence on the Bioaccessibility of Glucosinolates and Breakdown Products of Cruciferous Sprouts by Simulated In Vitro Gastrointestinal Digestion" International Journal of Molecular Sciences 22, no. 20: 11046. https://doi.org/10.3390/ijms222011046

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