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Rev. bras. plantas med ; 14(3): 500-505, 2012. graf, tab
Article in Portuguese | LILACS | ID: lil-658131

ABSTRACT

Este artigo descreve o desenvolvimento e a validação de método espectrofotométrico UV-Visível para quantificação de derivados do ácido o-hidroxicinâmico em folhas de Echinodorus grandiflorus. O método demonstrou ser linear (r² = 0,9974), preciso (DPR < 15%) na análise de matriz complexa e exata (recuperação = 107,56%).


This paper describes the development and the validation of an UV-Vis spectrophotometric method for the quantification of derivatives of o-hydroxycinnamic acid in leaves of Echinodorus grandiflorus. The method showed to be linear (r² = 0.9974), precise (RSD < 15%) in the analysis of complex matrix and accurate (recovery = 107.56%).


Subject(s)
Coumaric Acids/analysis , Validation Study , Methodology as a Subject , Quality Control , Spectrophotometry, Ultraviolet/methods , Alismataceae/metabolism
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