1H NMR Chemical Profile and Antioxidant Activity of Eugenia punicifolia Extracts Over Seasons: A Metabolomic Pilot Study
Kidney Neves,
Maria Santos,
Josiana Mar
et al.
Abstract:Eugenia punicifolia (Kunth) DC. is a medicinal plant used to treat diseases related to oxidative processes. In this work, 1 H nuclear magnetic resonance (NMR) spectroscopy and multivariate analysis have been employed to track the chemical changes and antioxidant activity of dimethyl sulfoxide (DMSO) extracts from E. punicifolia leaves over seasons. Principal component analysis (PCA) applied to 1 H NMR allowed discriminating DMSO extracts from leaves collected in the dry and rainy seasons and pointed out sucros… Show more
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