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Differentiation of Lippia gracilis Schauer Genotypes by LC Fingerprint and Chemometrics Analyses
Authors:Silvana V. F. Gomes  Alan D. C. Santos  Valéria R. S. Moraes  Lúcia R. R. Martins  Monalisa D. Viana  Arie F. Blank  Edenir R. Pereira-Filho  Quezia B. Cass  Paulo C. L. Nogueira  Péricles B. Alves
Affiliation:1. LABORGANICS, Departamento de Química, Universidade Federal de Sergipe, Av. Marechal Rondon, s/n, S?o Cristov?o, SE, 49100-000, Brazil
2. Departamento de Química e Biologia, Universidade Tecnológica Federal do Paraná, Av. Sete de setembro, 3165, Curitiba, PR, 80230-901, Brazil
3. Departamento de Engenharia Agron?mica, Universidade Federal de Sergipe, Av. Marechal Rondon, s/n, S?o Cristov?o, SE, 49100-000, Brazil
4. Departamento de Química, Universidade Federal de S?o Carlos, Rodovia Washington Luiz, km 235, S?o Carlos, SP, 13565-905, Brazil
Abstract:A liquid chromatographic method with photodiode-array detection has been developed for differentiation of seven genotypes of Lippia gracilis Schauer, originated from Sergipe state (named 106 to 110) and from Bahia state (201 and 202), cultivated and collected in the rural campus of the Federal University of Sergipe. For a comparative analysis of the fingerprint chromatograms, chemometric tools were applied with exploratory methods. The genotypes were differentiated and their relationship with original place was established (Sergipe and Bahia states) by principal component analysis of the fingerprint chromatograms of both leaves and stem samples.
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