Three repellent gels that contain essential oils from local malaysian plants against dengue vector

Hidayatul Fathi Othman, Ahmad Fuad Shamsuddin, Nor Fadilah Rajab, A. B. Nor Zafirah, A. A. Nur Hazwani, M. F.O. Nur Afriza, S. Y. Lau, M. N. Nor Azwani

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Abstract

The essential oils of Litsea elliptica, Piper aduncum, and Piper sarmentosum were prepared as repellents in gel formulation, and their repellent properties against Aedes aegypti were experimentally investigated. The lowest effective doses against adult mosquitoes were 0.8%, 0.5%, and 0.4% for Lit. elliptica, P. sarmentosum and P. aduncum, respectively. In laboratory testing with human subjects, all three gels provided over 90.0% repellency at one hour after application and over 80.0% repellency at four hours, compared with 100% and 95.8% protection after one and four hours, respectively, by DEET. In the field, gels with ED95 concentrations of Lit. elliptica, P. aduncum, and P. sarmentosum essential oils provided 99.3%, 97.5%, and 100% protection, respectively, at two hours. The physical properties and biological stability of the three repellents after storage in hot and cold conditions were also compared. In conclusion, all three gels have the potential for development as repellents against Ae. aegypti.

Original languageEnglish
Pages (from-to)540-549
Number of pages10
JournalTropical Biomedicine
Volume34
Issue number3
Publication statusPublished - 2017

Fingerprint

Dengue
Volatile Oils
Gels
Piper
Litsea
DEET
Aedes
Culicidae

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

Cite this

Othman, H. F., Shamsuddin, A. F., Rajab, N. F., Nor Zafirah, A. B., Nur Hazwani, A. A., Nur Afriza, M. F. O., ... Nor Azwani, M. N. (2017). Three repellent gels that contain essential oils from local malaysian plants against dengue vector. Tropical Biomedicine, 34(3), 540-549.

Three repellent gels that contain essential oils from local malaysian plants against dengue vector. / Othman, Hidayatul Fathi; Shamsuddin, Ahmad Fuad; Rajab, Nor Fadilah; Nor Zafirah, A. B.; Nur Hazwani, A. A.; Nur Afriza, M. F.O.; Lau, S. Y.; Nor Azwani, M. N.

In: Tropical Biomedicine, Vol. 34, No. 3, 2017, p. 540-549.

Research output: Contribution to journalArticle

Othman, HF, Shamsuddin, AF, Rajab, NF, Nor Zafirah, AB, Nur Hazwani, AA, Nur Afriza, MFO, Lau, SY & Nor Azwani, MN 2017, 'Three repellent gels that contain essential oils from local malaysian plants against dengue vector', Tropical Biomedicine, vol. 34, no. 3, pp. 540-549.
Othman, Hidayatul Fathi ; Shamsuddin, Ahmad Fuad ; Rajab, Nor Fadilah ; Nor Zafirah, A. B. ; Nur Hazwani, A. A. ; Nur Afriza, M. F.O. ; Lau, S. Y. ; Nor Azwani, M. N. / Three repellent gels that contain essential oils from local malaysian plants against dengue vector. In: Tropical Biomedicine. 2017 ; Vol. 34, No. 3. pp. 540-549.
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