Abstract

The chemical composition and biological activities of essential oils of Salvia officinalis L., Salvia lavandulifolia Vahl., Lavandula x intermedia Emeric ex Loisel., Lavandula latifolia Medik., Lavandula angustifolia Mill. and Thymus vulgaris L. are presented. The essential oils have been analysed by Gas Chromatography Mass Spectrometry and 61 compounds were identified, 23 of which represented more than 1% of the essential oil. The 1,8 cineole (16-23%) appeared as the main compound of Salvia sp. essential oils. The high content of α-thujone was characteristic in S. officinalis oil. Remarkable concentrations of linalool (30-33%), camphor (5-17%) and linalyl acetate (9-28%) were detected in Lavandula sp. oils while carvacrol (21.6%) and p-cimene (23.7%) were the most abundant compounds in T. vulgaris oil. Biological characterization was based on their bioplaguicide activity. The essential oils studied had strong antifeedant effects against Leptinotarsa decemlineata Say, Spodoptera littoralis Boisd., Myzus persicae Sulzer and Rhopalosiphum padi L., phytotoxic activity against Lactuca sativa L. and Lolium perenne L. and also exhibited high antifungal activity against Fusarium sp. Oils from T. vulgaris and L. latifolia showed the highest levels of bioactivity against all target species. These results provide an added-value to the essential oils of aromatic plants of agro-industrial interest for its potential use in the development of natural agrochemicals.

Highlights

  • The essential oils have been analysed by Gas Chromatography Mass Spectrometry and 61 compounds were identified, 23 of which represented more than 1% of the essential oil

  • The high content of α-thujone was characteristic in S. officinalis oil

  • Biological characterization was based on their bioplaguicide activity

Read more

Summary

SUMMARY

Chemical and biological profiles of the essential oils from aromatic plants of agro industrial interest in Castilla-La Mancha (Spain). The chemical composition and biological activities of essential oils of Salvia officinalis L., Salvia lavandulifolia. Oils while carvacrol (21.6%) and p-cimene (23.7%) were the most abundant compounds in T. vulgaris oil. Biological characterization was based on their bioplaguicide activity. Oils from T. vulgaris and L. latifolia showed the highest levels of bioactivity against all target species. These results provide an added-value to the essential oils of aromatic plants of agro-industrial interest for its potential use in the development of natural agrochemicals. KEY-WORDS: Bioplaguicide activity – Essential oils – Lavandula – Natural agrochemicals – Salvia – Thymus

INTRODUCCIÓN
Material vegetal
Extracción de los aceites esenciales
Análisis de los aceites esenciales
Mantenimiento de los hongos fitopatógenos
Cria y mantenimiento de los insectos
Bioensayos
Análisis estadísticos
Composición química de los aceites esenciales
Actividad antialimentaria
Actividad fitotóxica
Actividad fungicida
Findings
CONCLUSIONES
Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call