Voltammetric analysis of Pinus needles with physiological, phylogenetic, and forensic applications

Annette Suleika Ortiz Miranda, Peter König, Heike Kahlert, Fritz Scholz, Laura Osete-Cortina, María Teresa Doménech-Carbó, Antonio Doménech-Carbó

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Abstrakt

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.
OriginalsprogEngelsk
TidsskriftAnalytical and Bioanalytical Chemistry
Vol/bind408
Sider (fra-til)4943- 4952
ISSN1618-2642
StatusUdgivet - 12 maj 2016

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