Pinene is a family of bicyclic monoterpenes found in nature, which exhibits important applications in chemical industry and biomedicine; however, the discrimination methods used for pinene enantiomers are still rare. The alpha- and beta-pinene enantiomers were recognized and discriminated via an electrochemical method for the first time based on a cyclodextrin metal-organic framework (CD-MOF) as an electrochemical chiral sensor.
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http://dx.doi.org/10.1039/c7dt00808b | DOI Listing |
Plants (Basel)
December 2024
Departamento de Química, Universidad Técnica Particular de Loja (UTPL), Calle Paris s/n y Praga, Loja 110107, Ecuador.
This study presents the first chemical and enantioselective analyses of essential oils (EOs) derived from the leaves of two endemic species, Cuatrec. and (Kunth) Cass., from Loja, Ecuador.
View Article and Find Full Text PDFPlants (Basel)
August 2024
Biodiversidad de Ecosistemas Tropicales-BIETROP, Herbario HUTPL, Departamento de Ciencias Biológicas y Agropecuarias, Universidad Técnica Particular de Loja (UTPL), San Cayetano s/n, Loja 1101608, Ecuador.
The volatile components emitted by fresh aromatic flowers of L., harvested in southern Ecuador during three different months were determined to evaluate the fluctuation of secondary metabolites. The volatile compounds were analyzed using headspace solid-phase microextraction (HS-SPME) followed by gas chromatography coupled to mass spectrometry (GC-MS) and a flame ionization detector (GC-FID) using two types of columns: a non-polar (DB-5ms) and polar column (HP-INNOWax).
View Article and Find Full Text PDFPhytochem Anal
August 2024
Institute of Pharmaceutical Sciences, ETH Zurich, Zurich, Switzerland.
Objective: Cannabis sativa L. is renowned for its medicinal and recreational uses. With the increasing global legalization of C.
View Article and Find Full Text PDFPlants (Basel)
June 2024
Departamento de Química, Técnica Particular de Loja (UTPL), Calle París s/n y Praga, Loja 110107, Ecuador.
A complete and comprehensive chemical and biological study of , a native Ecuadorian aromatic plant, was conducted. By conventional steam distillation from dried leaves, a yellowish, translucent essential oil (EO) with a density of 0.95 and a refractive index of 1.
View Article and Find Full Text PDFACS Omega
June 2024
Departamento de Química, Universidad Técnica Particular de Loja (UTPL), Calle Marcelino Champagnat s/n, 110107 Loja, Ecuador.
The present study belonged to an unfunded project, dealing on the systematic description of unprecedented essential oils (EOs), distilled from 12 species of genus Cuatrec. In this very case, the aim was the first chemical and enantiomeric analyses of two volatile fractions, obtained from the leaves of Cuatrec. and Cuatrec.
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