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Evaluates bioactive compounds in Vernonia sp. honey, indicating its quality and antioxidant potential.
In this study, pollen content, physicochemical parameters, quantification of phenolics and flavonoids, antioxidant capacity, UV spectrum scan, and substance identification by LC‐HRMS were evaluated in Assa‐peixe honey. The pollen content analysis confirmed 100% Vernonia sp. pollen, characterizing it as monofloral. The physicochemical parameters analyzed comply with Brazilian legislation. The phenolic content (61.13 ± 0.66 mgGAE/100 g) and flavonoid content (7.86 ± 0.07 QE/100 g and 14.34 ± 0.08 RE/100 g) were determined. Regarding antioxidant capacity, a high EC 50 was observed for the evaluated matrix at both 30 and 60 min, compared to studies on species of the same genus. The UV spectrum obtained shows λ /max at 283/223/217 nm, indicating the presence of phenolic groups. In the LC‐HRMS data, 19 metabolites were identified, including abscisic acid and derivatives, flavonoids, and other substances previously detected in honeys. Thus, the Assa‐peixe honey studied meets quality standards, and this is the first LC‐HRMS study that reveals the chemical composition of this honey.
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Veloso et al. (2026) studied this question.
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