Morphological and phytochemical characterization of Lavandula dentata L. cultivated in Paraíba do Sul, Rio de Janeiro, Brazil

Acta Brasiliensis

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Title Morphological and phytochemical characterization of Lavandula dentata L. cultivated in Paraíba do Sul, Rio de Janeiro, Brazil

Caracterização morfológica e fitoquímica de Lavandula dentata L. cultivada na Paraíba do Sul, Rio de Janeiro, Brasil
 
Creator Figueiredo, Ana Rosa de
Silva, Leirson Rodrigues da
Camargo, Silvia Michelle Bezerra
Morais, Lilia Aparecida Salgado de
 
Description Lavandula dentata L., popularly known as lavender, is considered to be a medicinal plant that has great economic potential. The aims of the present study were to characterize the morphology of L. dentata grown in Paraíba do Sul, Rio de Janeiro, Brazil and determine the content and chemical composition of its essential oil. Morphology of the plant was determined using the optical microscope, digital calliper and measuring tape. The fresh plant material characteristics consisting of the branches, leaves, and inflorescence were described. The essential oil was obtained by hydrodistillation and analyses chemical characteristics were performed by gas chromatography (GC) and gas chromatography coupled to mass spectrometry (GC/MS). Our study shows a large number of non-glandular trichomes were identified, as well as two types of glandular trichomes, including capitate and peltate glandular trichomes. This work achieved high essential oil content which were related to vegetable biomass. The major constituents found in the essential oil from L. dentata were the monoterpenes: eucalyptol - 1.8 cineol (39.43%), camphor (20.11%), and fenchone (18.40%). Thus, it was possible to characterize the morphology and chemical composition of L. dentata.
A Lavandula dentata L., conhecida popularmente como lavanda, é considerada uma planta medicinal com grande potencial econômico. Os objetivos do presente estudo foram caracterizar a morfologia de L. dentata cultivada na Paraíba do Sul, Rio de Janeiro, Brasil e determinar o teor e a composição química de seu óleo essencial. A morfologia da planta foi determinadas em microscópio óptico, paquímetro digital e fita métrica. As características do material vegetal fresco consistindo de ramos, folhas e inflorescência foram descritas. O óleo essencial foi obtido por hidrodestilação e as análises das características químicas foram realizadas por cromatografia gasosa (CG) e cromatografia gasosa acoplada a espectrômetro de massas (CG / EM). Nosso estudo mostra que um grande número de tricomas não glandulares foi identificado, assim como dois tipos de tricomas glandulares, incluindo tricomas glandulares capitados e peltados. Este trabalho alcançou um alto teor de óleo essencial relacionados à biomassa vegetal. Os principais constituintes encontrados no óleo essencial de L. dentata foram os monoterpenos: eucaliptol - 1,8 cineol (39,43%), cânfora (20,11%) e fenchona (18,40%). Assim, foi possível caracterizar a morfologia e composição química de L. dentata.
 
Publisher Universidade Federal de Campina Grande - UFCG
 
Date 2021-01-29
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier http://revistas.ufcg.edu.br/ActaBra/index.php/actabra/article/view/483
10.22571/2526-4338483
 
Source Acta Brasiliensis; Vol 5 No 1 (2021): Acta Brasiliensis; 7-12
Acta Brasiliensis; Vol 5 No 1 (2021): Acta Brasiliensis; 7-12
Acta Brasiliensis; Vol 5 No 1 (2021): Acta Brasiliensis; 7-12
2526-4338
2526-432X
 
Language eng
 
Relation http://revistas.ufcg.edu.br/ActaBra/index.php/actabra/article/view/483/116
 
Rights Copyright (c) 2020 Acta Brasiliensis
 

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