Chemical Composition and Repellency of Essential Oils From Four Medicinal Plants Against Ixodes ricinus Nymphs: (Acari Ixodidae)

El-Seedi, Hesham R.Uppsala universitet,Avdelningen för farmakognosi (författare)

Chemical Composition and Repellency of Essential Oils From Four Medicinal Plants Against Ixodes ricinus Nymphs : (Acari Ixodidae)

QC 20121029
In our search for effective tick repellents from plant origin, we investigated the effect of essential oils of four medicinal and culinary plants belonging to the family Lamiaceae on nymphs of the tick Ixodes ricinus (L.). The essential oils of the dry leaves of Rosmarinus officinalis (Rosemary) (L.), Mentha spicata (Spearmint) (L.), Origanum majorana (Majoram) (L.), and Ocimum basilicum (Basil) (L.) were isolated by steam distillation and 15 mu g/cm(2) concentration of oils was tested against ticks in a laboratory bioassay. The oils of R. officinalis, M. spicata, and O. majorana showed strong repellency against the ticks 100, 93.2, and 84.3%, respectively, whereas O. basilicum only showed 64.5% repellency. When tested in the field, the oils of R. officinalis and M. spicata showed 68.3 and 59.4% repellency at a concentration of 6.5 mu g/cm(2) on the test cloths. The oils were analyzed by gas chromatography mass spectrometry and the major compounds from the most repellent oils were 1,8-cineole, camphor, linalool, 4-terpineol, borneol, and carvone.

Khalil, Nasr S. (författare)
Azeem, MuhammadKTH,Organisk kemi(Swepub:kth)u1c90txa (författare)
Taher, Eman A. (författare)
Göransson, UlfUppsala universitet,Avdelningen för farmakognosi(Swepub:uu)ugo29049 (författare)
Pålsson, KatinkaKTH,Organisk kemi(Swepub:kth)u1u9arhe (författare)
Borg-Karlson, Anna-KarinKTH,Organisk kemi(Swepub:kth)u1q875ig (författare)
Uppsala universitetAvdelningen för farmakognosi (creator_code:org_t)

Av författaren/redakt...: El-Seedi, Hesham ...; Khalil, Nasr S.; Azeem, Muhammad; Taher, Eman A.; Göransson, Ulf; Pålsson, Katinka; visa fler...; Borg-Karlson, An ...; visa färre...

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