Nutritional composition, functional and chemical characterization of Moroccan Opuntia ficus-indica cladode powder

Abstract

Opuntia ficus-indica, also known as the prickly pear, is a cactus belonging to the Cactaceae family. For centuries, this remarkable plant has been valued for its medicinal, environmental, and culinary uses. The primary objective of this research is to examine and contrast the chemical composition, functional attributes, and nutritional significance of Opuntia ficus-indica cladodes sourced from three distinct regions in Morocco: Oulad Boubker, Imzouren, and Skoura. According to the results, moisture content differs significantly between the three sites, from 88.21 ± 0.20% to 92.11 ± 0.10%, with an acid pH value. While the ash content remained consistent across all three samples. Carbohydrate content ranging from 55.40 ± 0.08% to 55.90 ± 0.60%, fat content from 2.30 ± 0.21 to 2.62 ± 0.09, protein from 7.54 ± 0.03% to 9.07 ± 0.16%, crude fibers from 20.52 ± 1.87% to 21.00 ± 0.20%, and soluble fibers from 15.08 ± 0.16% to 16.33 ± 1.25%. Additionally, total chlorophyll content varied between 102.64 ± 8.93 and 144.80 ± 3.08 mg.100 g−1 DM. The functional properties showed considerable differences between the three samples: the water holding capacity ranged from 109.58 ± 0.11 to 174.95 ± 0.06 g water.100 g−1 DM, the oil holding capacity from 129.27 ± 0.39 to 146.51 ± 0.39 g oil.100 g−1 DM and the solubility index from 25.75 ± 0.60 to 33.18 ± 0.15 g solids.100 g−1 DM. Mineral analysis revealed significant differences based on location. The concentrations of potassium exhibited a considerable elevation compared to those of magnesium, calcium, sodium, iron, and zinc. Moreover, the existence of diverse organic functional entities, including alcohols, ketones, and acids, was authenticated by Fourier-transform infrared spectroscopy. A differential distribution of the chemical composition of cladodes according to region was confirmed by nutritional, mineral and functional characterization and functional groups of cladodes.