Chemical characterization and antioxidant activity of ora-pro-nobis powder mucilage
DOI:
https://doi.org/10.20873/jbb.uft.cemaf.v10n3.kobayasiKeywords:
Pereskia aculeata Mill, mucilage, protein, bioactive compoundsAbstract
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Pereskia aculeata Mill., known as ora-pro-nobis, is an unconventional food plant (PANC) that has a high protein content, surpassing many other vegetables commonly used in human food. In addition to being a source of protein, this species has bioactive compounds that give it analgesic, anti-inflammatory and antioxidant properties. Ora-pro-nobis presents a mucilage capable of acting as a thickening, emulsifying and gelling agent, characteristics due to the presence of the arabinogalactan biopolymer and its adhesion to the proteins present in the mucilage. The present study aimed at the chemical characterization and determination of the antioxidant activity of powdered ora-pro-nobis mucilage. Protein quantification showed that lyophilized mucilage has a higher protein content than fresh ora-pro-nobis leaves, with an average of 39.55% protein. The evaluation of antioxidant activity showed a positive correlation with the increase in mucilage concentration and total flavonoid content.
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