Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 408, Issue 18, Pages 4943-4952Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-016-9588-7
Keywords
Pinus species; Chemotaxonomy; Forensic sciences; Chemoecology; Voltammetry
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Polyphenolic compounds are electrochemically active components of vegetal matter which were targeted under simple experimental conditions to produce voltammetric profiles characterizing the metabolite composition. Application to bivariate and multivariate chemometric techniques permits to discriminate the species and age of plant leaves, illustrated here for the case of six Pinus species from two different subgenera. Such responses, associated with the electrochemical oxidation of polyphenolic compounds (quercetin, gallic acid, ellagic acid, among others), define a voltammetric profile which varies systematically with the age of the leaves for the different species. The application of this methodology for phylogenetic studies, plant physiology, forensic science, and chemoecology is discussed.
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