Ora-pro-nóbis (Pereskia aculeata Mill.) is an unconventional vegetable found in the Brazilian Atlantic Forest and consumed, mainly by the rural population who lives in this biome. The present study investigated the nutritional value and contribution potential this species to the recommendations of daily nutrient intake for adults. Moisture and ash content were determined by gravimetry after oven drying and muffle incineration, respectively. Proteins were determined by the micro-Kjeldhal method; lipids by gravimetric lipids using soxhlet extractor; Total dietary fiber (TDF) by non-enzymatic gravimetry; Carotenoids and vitamin C by High Performance Liquid Chromatography (HPLC) with Diodes Array Detector; Vitamin E by HPLC and fluorescence detection; and minerals by inductively coupled plasma atomic emission spectrometry (ICP-AES). Ora-pro-nóbis presented concentrations of TDF (3.73 g 100 g-1), ash (0.96 g 100 g-1), lipids (1.45 g 100 g-1), protein (1.27 g 100 g-1), carotenoids (3.15 mg 100 g-1), total vitamin E (438.68 µg 100 g-1), Ca (427.08 mg 100 g-1), Mg (88.84 mg 100 g-1), Mn (3.46 mg 100 g-1), Fe (13.89 mg 100 g-1) and K (689.41 mg 100 g-1). The species was considered a source of TDF, a good source of Mg, Cu and K, and an excellent source of vitamin A, Ca, Mn, Fe and Se.
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