Evaluation of the bioaccessibility of antioxidant bioactive compounds and minerals of four genotypes of Brassicaceae microgreens

Roderic Mòbil

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Evaluation of the bioaccessibility of antioxidant bioactive compounds and minerals of four genotypes of Brassicaceae microgreens

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dc.contributor.author Fuente, Beatriz de la B
dc.contributor.author López-García, Gabriel
dc.contributor.author Máñez, Vicent
dc.contributor.author Alegría Torán, Amparo Asunción
dc.contributor.author Barberá Sáez, Reyes
dc.contributor.author Cilla Tatay, Antonio
dc.date.accessioned 2020-03-25T13:10:42Z
dc.date.available 2020-03-25T13:10:42Z
dc.date.issued 2019
dc.identifier.uri https://hdl.handle.net/10550/73657
dc.description.abstract Microgreens constitute an emerging class of fresh, healthy foods due to their nutritional composition. In this study the content of minerals and antioxidant bioactive compounds, and for the first time bioaccessibility, were evaluated in broccoli (Brassica oleracea L. var. italica Plenck), green curly kale (Brassica oleracea var. sabellica L.), red mustard (Brassica juncea (L.) Czern.) and radish (Raphanus sativus L.) hydroponic microgreens. Macro- (K, Ca, Mg) and oligo-elements (Fe, Zn), ascorbic acid, total soluble polyphenols, total carotenoids, total anthocyanins, total isothiocyanates and total antioxidant capacity (Trolox Equivalent Antioxidant Capacity and Oxygen Radical Absorbance Capacity) were determined before and after the standardized simulated gastrointestinal digestion process. All microgreens provided relevant amounts of vitamin C (31-56 mg/100 g fresh weight) and total carotenoids (162-224 mg β-carotene/100 g dry weight). Mineral content was comparable to that normally found in hydroponic microgreens and the low potassium levels observed would allow their dietetic recommendation for patients with impaired kidney function. Both total soluble polyphenols and total isothiocyanates were the greatest contributors to the total antioxidant capacity after digestion (43-70% and 31-63% bioaccessibility, respectively) while macroelements showed an important bioaccessibility (34-90%). In general, radish and mustard presented the highest bioaccessibility of bioactive compounds and minerals. Overall, the four hydroponic Brassicaceae microgreens present a wide array of antioxidant bioactive compounds.
dc.language.iso eng
dc.relation.ispartof Foods, 2019, vol. 8, p. 250
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Fuente, Beatriz de la B López-García, Gabriel Máñez, Vicent Alegría Torán, Amparo Asunción Barberá Sáez, Reyes Cilla Tatay, Antonio 2019 Evaluation of the bioaccessibility of antioxidant bioactive compounds and minerals of four genotypes of Brassicaceae microgreens Foods 8 250
dc.title Evaluation of the bioaccessibility of antioxidant bioactive compounds and minerals of four genotypes of Brassicaceae microgreens
dc.type info:eu-repo/semantics/article
dc.date.updated 2020-03-25T13:10:42Z
dc.identifier.doi https://doi.org/10.3390/foods8070250
dc.identifier.idgrec 136581


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Roderic Mòbil