Determination of the physicochemical indexes of Rosmarinus officinalis, Cymbopogon citratus and Cymbopogon winterianus essential oils




Absolute density; Camphor; Cis-Trans citral; Citronellal; Refractive index.


The quality control in essential oils is of great importance to avoid adulteration of these products, however there is little information about the physical and chemical characteristics. In this way, the objective of this work was to perform physical-chemical analysis of three essential oils samples of Rosmarinus officinalis, Cymbopogon citratus and Cymbopogon winterianus. The essential oils were obtained from two commercial suppliers and coded as Comercial 1 and 2. These oils were compared with oils extracted by hydrodistillation from leaves of plants implanted in the Medical Garden of the University and codified as Cultivated. The essential oils were obtained by hydrodistillation for 3 hours for R. officinalis and 2 hours for C. citratus and C. winterianus. The absolute density (g/mL), refractive index and the chemical composition (GC / MS) of the oils were determined. For the density and the refractive index, the results indicated that there were no differences between the commercial and cultivated samples, however, in the chemical composition, differences were observed among the major compounds. For rosemary oil, 1.8-cineole stood out with 5.82% (Cultivated), 17.28% (Commercial 1) and 27.42% (Commercial 2). For lemongrass essential oil, myrcene has 8.52% (Cultivated) and the absence of those from both commercial suppliers. For citronella essential oil, limonene was found at 9.55% (Commercial 2), 2.31% (Commercial 1), and 3.62% (Cultivated), indicating that the variation in the percentage of compounds may have been caused by abiotic and biotics factors, as the samples come from cultures implanted in different locations, interfering in the characteristics of these essential oils.

Author Biographies

Gilcielen de Oliveira Carreiro, Universidade Paranaense

Universidade Paranaense

Graduação em Farmácia, Programa de Iniciação Científica (PIC) no Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

Isabelle Luiz Rahal, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

Wanessa de Campos Bortolucci, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

José Eduardo Gonçalves, Centro Universitário de Maringá

Mestrado em Tecnologia Limpas Centro Universitário de Maringá e Instituto Cesumar de Ciência, Tecnologia e Inovação, Maringá, Paraná, Brasil.

Maria Graciela Iecher Faria, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

Carla Maria Mariano Fernandez, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

Nelson Barros Colauto, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

Giani Andrea Linde, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.

Zilda Cristiani Gazim, Universidade Paranaense

Programa de Pós-graduação em Biotecnologia Aplicada à Agricultura, Laboratório de Química de Produtos Naturais, Universidade Paranaense, Umuarama, Paraná, Brasil.


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How to Cite

Carreiro, G. de O., Rahal, I. L., Bortolucci, W. de C. ., Gonçalves, J. E. ., Faria, M. G. I., Fernandez, C. M. M., Ruiz, S. P., Colauto, N. B., Linde, G. A., & Gazim, Z. C. . (2020). Determination of the physicochemical indexes of Rosmarinus officinalis, Cymbopogon citratus and Cymbopogon winterianus essential oils. Research, Society and Development, 9(11), e4359119959.



Agrarian and Biological Sciences