Variabilidad estacional de la composición del aceite esencial de Aloysia citradora Paláu y su capacidad antioxidante
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Date
2024
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Universidad Nacional de Trujillo
Abstract
La presente investigación tuvo como objetivo evaluar la variabilidad estacional de la composición del aceite esencial de Aloysia citrodora Paláu y su capacidad antioxidante. Se recolectaron hojas de A. citrodora del centro poblado de Santa Rosa y distrito de Calquis, provincia de San Miguel, Región Cajamarca, durante invierno y primavera. Luego, se identificó en el Herbarium Truxillense de la Universidad Nacional de Trujillo. Los aceites esenciales fueron extraídos a través de los equipos Clevenger y arrastre de vapor. Se determinó su composición en el cromatógrafo de gases acoplado a espectrómetro de masa y la capacidad antioxidante fue evaluada por el método por DPPH y FRAP. Se determinó que los compuestos de mayor porcentaje de abundancia fueron D-Limoneno, α-Citral y β-Citral, en ambas estaciones, en las dos zonas. Sin embargo, solo en el Distrito de Calqui se observaron la presencia de Copaeno, Citronelal, Eugenol, Terpinen-4-ol y P-menta-1,4(8)-dieno, durante el invierno. La capacidad antioxidante por DPPH y FRAP del aceite esencial de Aloysia citrodora Paláu es mayor en muestras colectadas durante el invierno. Se concluye que el aceite esencial de Aloysia citrodora Paláu presenta variabilidad estacional en sus componentes, debido a diversos factores ambientales.
The objective of this research was to evaluate the seasonal variability of the composition of the essential oil of Aloysia citrodora Paláu and its antioxidant capacity. Leaves of A. citrodora were collected from the town center of Santa Rosa and Calquis district, San Miguel province, Cajamarca Region, during winter and spring. Later, it was identified in the Truxillense Herbarium of the National University of Trujillo. The essential oils were extracted through Clevenger and steam extraction equipment. Its composition was determined in the gas chromatograph coupled to a mass spectrometer and the antioxidant capacity was evaluated by the DPPH and FRAP method. It was determined that the compounds with the highest percentage of abundance were D-Limonene, α-Citral and β-Citral, in both seasons, in both areas. However, only in the Calqui District were the presence of Copaene, Citronellal, Eugenol, Terpinen-4-ol and P-mint-1,4(8)-diene observed during the winter. The antioxidant capacity by DPPH and FRAP of the essential oil of Aloysia citrodora Paláu is greater in samples collected during winter. It is concluded that the essential oil of Aloysia citrodora Paláu presents seasonal variability in its components, due to various environmental factors.
The objective of this research was to evaluate the seasonal variability of the composition of the essential oil of Aloysia citrodora Paláu and its antioxidant capacity. Leaves of A. citrodora were collected from the town center of Santa Rosa and Calquis district, San Miguel province, Cajamarca Region, during winter and spring. Later, it was identified in the Truxillense Herbarium of the National University of Trujillo. The essential oils were extracted through Clevenger and steam extraction equipment. Its composition was determined in the gas chromatograph coupled to a mass spectrometer and the antioxidant capacity was evaluated by the DPPH and FRAP method. It was determined that the compounds with the highest percentage of abundance were D-Limonene, α-Citral and β-Citral, in both seasons, in both areas. However, only in the Calqui District were the presence of Copaene, Citronellal, Eugenol, Terpinen-4-ol and P-mint-1,4(8)-diene observed during the winter. The antioxidant capacity by DPPH and FRAP of the essential oil of Aloysia citrodora Paláu is greater in samples collected during winter. It is concluded that the essential oil of Aloysia citrodora Paláu presents seasonal variability in its components, due to various environmental factors.
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HUMANITIES and RELIGION::History and philosophy subjects::History subjects::History