Abstract
The chemical compositions of the essential oil extracted from Albizziae julibrissin barks were analyzed by Gas chromatography-Mass spectrometry spectrometry. Fourteen components were identified, representing 89.23 % of the total oil composition. The analysis of the essential oil revealed that the essential oil contains 14 compounds, accounting for 89.23 % of the total oil. Hexanoic acid was the principal component (41.43 %) of the essential oil, followed by 4,4,6-trimethyl-cyclohex-2-en-1-ol (11.16 %), palmitic acid (9.00 %), 2-pentylfuran (5.66 %), 2-butyl-2-octenal (4.12 %), linoleic acid (3.10%), amyl hexanoate (3.01%), (E,E)-2,4-decadienal (2.49 %), 2-hexylthiophene (2.47 %), caprylic acid (2.13 %), (1.52 %), heptanoic acid (1.27 %), 3,5-octadien-2-ol (0.99 %), and 2-octenal (0.88 %). The acaricidal activity of the A. julibrissin oil was tested against Dermatophagoides farina, D. pteronyssinus and Tyrophagus putrescentiae by the fumigant bioassay. Based on the values, the essential oil exhibited strong acaricidal activities against D. farinae (, ), D. pteronyssinus (), and T. putrescentiae (). These results indicate that A. julibrissin oil could be a source of acaricidal agents for mite control.
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