Journal
QUIMICA NOVA
Volume 35, Issue 11, Pages 2139-2145Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422012001100007
Keywords
Eremanthus mattogrossensis; HPLC-DAD-MS/MS methodology; seasonal variation
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Funding
- FAPESP
- CAPES
- CNPq
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The species Eremanthus mattogrossensis, known as veludo do cerrado (cerrado velvet), is native to the Brazilian Cerrado. Because the amount of metabolites present in plants may be influenced by biological and environmental factors, here we conducted an HPLC-DAD-MS/MS investigation of the metabolite concentrations found in the MeOH/H2O extract of the leaves of this species. The main compounds were identified and quantified, and the metabolites were grouped by chemical class (caffeoylquinic acids, flavonoids, and sesquiterpene lactone). Statistical analysis indicated a straight correlation between the quantity of metabolites and seasonality, suggesting that environmental properties elicit important metabolic responses.
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