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Open AccessArticle

Characterization of Andean Blueberry in Bioactive Compounds, Evaluation of Biological Properties, and In Vitro Bioaccessibility

1
Department of Food Technology, Food Science and Nutrition, Faculty of Veterinary Sciences, Regional Campus of International Excellence “Campus Mare-Nostrum”, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
2
Department of Food Science and Biotechnology, Escuela Politécnica National, Quito 17-01-2759, Ecuador
3
Phytochemistry and Healthy Foods Lab., Department of Food Science and Technology, CEBAS-CSIC, Campus de Espinardo-Edificio 25, E-30100 Murcia, Spain
4
Universidad Nacional de Río Negro, CIT Río Negro, Don Bosco y Leloir s/n, 8500 Río Negro, 8500 Viedma, Argentina
5
Food Colour & Quality Lab., Department of Nutrition & Food Science, Universidad de Sevilla, Facultad de Farmacia, 41012 Sevilla, Spain
6
Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute for Advanced Studies (IMDEA)-Food, CEI UAM + CSIC, 28049 Madrid, Spain
*
Author to whom correspondence should be addressed.
Foods 2020, 9(10), 1483; https://doi.org/10.3390/foods9101483
Received: 14 September 2020 / Revised: 1 October 2020 / Accepted: 14 October 2020 / Published: 17 October 2020
(This article belongs to the Special Issue The Metabolism and Health Benefits of Bioactive Compounds in Foods)
The aim of this study was to evaluate Andean blueberries (Vaccinium floribundum Kunth) from Ecuador as a potential functional ingredient for the food and pharmaceutical industries. The analysis of bioactive compounds by HPLC–DAD–MSn determined a high content of (poly)phenols, mainly anthocyanins, and the presence of the carotenoid lutein. Regarding its biological properties, Andean blueberry did not show toxicity by the zebrafish embryogenesis test, showing also a lack of the antinutrients lectins. Moreover, the results of in vitro and in vivo antioxidant capacity evaluation suggested its possibility to be used as natural antioxidant. This fruit also exhibited antimicrobial activity toward Staphylococcus aureus and Escherichia coli in low doses. Finally, in vitro gastrointestinal (GI) digestion showed a partial bioaccessibility of (poly) phenols (~50% at the final step), showing high antioxidant capacity in the different GI phases. These results revealed Andean blueberry as an interesting candidate for being used as a functional ingredient and the development of further in vivo and clinical assays. View Full-Text
Keywords: mortiño; Vaccinium floribundum; HPLC–MS/MS; anthocyanins; antioxidant; antimicrobial; toxicity; zebrafish mortiño; Vaccinium floribundum; HPLC–MS/MS; anthocyanins; antioxidant; antimicrobial; toxicity; zebrafish
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MDPI and ACS Style

Baenas, N.; Ruales, J.; Moreno, D.A.; Barrio, D.A.; Stinco, C.M.; Martínez-Cifuentes, G.; Meléndez-Martínez, A.J.; García-Ruiz, A. Characterization of Andean Blueberry in Bioactive Compounds, Evaluation of Biological Properties, and In Vitro Bioaccessibility. Foods 2020, 9, 1483.

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