Hydrodistillation Extraction Kinetics of Volatile Oils from Varronia curassavica and Laurus nobilis
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ORIGINAL ARTICLE
Hydrodistillation Extraction Kinetics of Volatile Oils from Varronia curassavica and Laurus nobilis Rayssa V. Nascimento 1 & Marcela de S. Alves 1 & Tatiana de O. Pinto 2 & Rafaela de Souza Menezes 3 Pedro C. Damasceno Junior 2 & Douglas S. A. Chaves 3 & Marco Andre A. de Souza 1
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Received: 26 February 2020 / Accepted: 16 April 2020 # Sociedade Brasileira de Farmacognosia 2020
Abstract Volatile oils have great economic importance, mainly in the flavor and fragrance sectors, regarding their utility and application in the food, cosmetic, and pharmaceutical industries. In this work, volatile oils extracted by hydrodistillation from dried leaves of Varronia curassavica Jacq., Boraginaceae, and Laurus nobilis L., Lauraceae, including their chemical composition and extraction kinetics, were evaluated. β-Caryophyllene (15.2%), β-sinensal (7.9%), (Z)-α-trans-bergamotol (7%), α-humulene (5.6%), and β-bisabolene (5.5%) were V. curassavica volatile oil’s major components, while eucalyptol (19.2%), linalool (18.4%), and α-terpineol acetate (13.5%) were the major components of L. nobilis. The kinetics of volatile oil extraction showed a hyperbolic distribution for the two species: the contents of monoterpenes and sesquiterpenes extracted from V. curassavica, in the time frame analyzed, showed exponential decline followed by growth, respectively, while the content of these volatiles from L. nobilis showed an individual decrease and linear increase. Monoterpene extraction was faster than sesquiterpene extraction, but both processes presented hyperbolic distributions. Extraction kinetics for eucalyptol, linalool, α-terpineol, α-humulene, and βcaryophyllene and other compounds can be found in this analytical study. Keywords Monoterpenes . Sesquiterpenes . Essential oil . Lauraceae . Bay laurel . Wild sage
Introduction Volatile oils of wild sage (Varronia curassavica Jacq., Boraginaceae) and bay laurel (Laurus nobilis L., Lauraceae) have shown anti-inflammatory and antihemostatic proprieties in human and veterinary medicine (Passos et al. 2007; De Electronic supplementary material The online version of this article (https://doi.org/10.1007/s43450-020-00067-9) contains supplementary material, which is available to authorized users. * Douglas S. A. Chaves [email protected]; [email protected] 1
Departamento de Bioquímica, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro 23897-000, Brazil
2
Departamento de Fitotecnia, Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro 23897-000, Brazil
3
Departamento de Ciências Farmacêuticas, Instituto de Ciências Biológicas e da Saúde, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro 23897-000, Brazil
Batista et al. 2016; Dos Santos et al. 2020; Silveira et al. 2020), related to the sesquiterpenes α-humulene and βcaryophyllene (Fernandes et al. 2007; Bakir et al. 2008). Phenylpropanoids and oxygenated monoterpenes such as eugenol, methyl eugenol, eucalyptol,
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