This review highlights the nutritional content, phytochemical compounds, and biological properties of three unconventional food plants consumed in the Amazon: ora-pro-nóbis (Pereskia aculeata Mill.), taioba (Xanthosoma sagittifolium), and vitória-régia (Victoria amazonica). These plants show significant nutritional, functional, and economic potential, which can enhance the intake of daily nutrients, energy, and bioactive compounds. Ora-pro-nóbis is a rich source of caftaric acid, quercetin, and isorhamnetin; taioba contains syringic acid, caffeic acid, and quercetin; and vitória-régia shows cinnamic acid, caffeic acid, and sinapic acid in its composition. These compounds confer antioxidant, anticancer, antimicrobial, anti-inflammatory, analgesic, and antiproliferative properties on these plants. These unconventional plants can be exploited by the food industry as food and supplements and therapeutic plants to develop valuable products for food, cosmetics, pharmaceutical, and medical applications.
Keywords: Anti-inflammatory; Antioxidant; Oxidative stress; Phenolic compounds.
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