Chemical characterization of the essential oil from patchouli accessions harvested over four seasons |
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| Authors: | Arie Fitzgerald Blank Tricia Cavalcanti Pergentino Sant’anaPriscilla Santana Santos Maria Fatima Arrigoni-BlankAna Paula do Nascimento Prata Hugo Cesar Ramos JesusPericles Barreto Alves |
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| Institution: | Universidade Federal de Sergipe, Cidade Universitária Professor José Aloísio de Campos, Avenida Marechal Rondon s/n, Rosa Elze, CEP 49100-000, São Cristóvão, Sergipe, Brazil |
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| Abstract: | The genus Pogostemon of the Lamiaceae family includes several species known for their medicinal and aromatic properties. The species P. cablin is especially notable because the essential oil extracted from its leaves is internationally important and valuable, principally for the perfume and cosmetic industries. Because multiple factors can affect the chemical composition of the essential oil, the aim of this work was to evaluate the chemical variations in the essential oils of nine Pogostemon accessions harvested over four seasons. Two Pogostemon accessions (P. heyneanus, but received as P. cablin) and seven P. cablin accessions from different sources were evaluated. The transplants were planted in January 2008, and the harvests were conducted in May, August, and November 2008 and February 2009. The chemical composition of the essential oils was evaluated quantitatively and qualitatively. Patchoulol was the major compound from the four harvests of all of the P. cablin accessions. The principal compound from the accessions POG-001 and POG-006 was β-pinene. Two clusters were detected by multivariate analyses of the four harvests. Cluster I was formed by the accessions POG-001 and POG-006 (P. heyneanus), and Cluster II was formed by the accessions of P. cablin (POG-002, POG-014, POG-015, POG-016, POG-019, POG-021, and POG-022). |
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| Keywords: | Patchouli Genotypes Chemical composition Patchoulol Pogostol |
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