Advisor(s)
Abstract(s)
Chenopodium quinoa Willd. is an ancient food crop that has provided nutrition to Andean populations for
thousands of years. BRS Piabiru is a quinoa genotype developed and adapted to tropical climate by the
Brazilian Agricultural Research Corporation. In this work, BRS Piabiru quinoa was evaluated concerning its
nutritional, physicochemical and phenolic composition and also its bioactive properties. This variety
showed high carbohydrate and protein contents and a low-fat level, composed of 86% of unsaturated
fatty acids, 60% of which are polyunsaturated fatty acids. Four organic acids were detected, with quinic
acid as the most abundant, while α- and γ-tocopherols were the vitamin E isoforms found. Quercetin and
kaempferol glycosides were the main phenolic compounds in the quinoa extract, which also revealed
relevant antioxidant and antimicrobial activities, with no toxic effect. These results support the potential
of BRS Piabiru quinoa as a nutritious food crop and a source of bioactive compounds.
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Pedagogical Context
Citation
Sampaio, Shirley L.; Fernandes, Ângela; Pereira, Carla; Calhelha, Ricardo C.; Sokovic, Marina; Santos-Buelga, Celestino; Barros, Lillian; Ferreira, Isabel C.F.R. (2020). Nutritional value, physicochemical characterization and bioactive properties of the Brazilian quinoa: BRS Piabiru. Food and Function. ISSN 2042-6496. 11:4, p. 2969-2977