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Parasitol Res. 2019 Mar;118(3):733-742. doi: 10.1007/s00436-019-06212-1. Epub 2019 Jan 23.

Chemical composition, Aedes mosquito larvicidal activity, and repellent activity against Triatoma rubrofasciata of Severinia monophylla leaf essential oil.

Author information

1
Aromatic Plant Research Center, 230 N 1200 E, Suite 102, Lehi, UT, 84043, USA.
2
Parasitology and Entomology Unit, Department of Medicine, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam.
3
Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam.
4
Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam. huyhung2602@gmail.com.
5
Center of Scientific Research and Practice, Thu Dau Mot University, No 06, Tran Van On street, Phu Hoa ward, Thu Dau Mot city, Binh Duong province, Vietnam.
6
Department of Pharmacy, Duy Tan University, 03 - Quang Trung, Da Nang, Vietnam.
7
Faculty of Hydrometerology, Ho Chi Minh City University of Natural Resources and Environment, Ho Chi Minh City, Vietnam.
8
Aromatic Plant Research Center, 230 N 1200 E, Suite 102, Lehi, UT, 84043, USA. wsetzer@chemistry.uah.edu.
9
Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL, 35899, USA. wsetzer@chemistry.uah.edu.

Abstract

Aedes aegypti and Ae. albopictus are key vectors in the spread of arboviruses such as dengue, chikungunya, yellow fever, and Zika. Triatoma rubrofasciata is an "assassin bug" whose populations and association with humans have dramatically increased and may represent a serious health concern. Control of insect vectors is a logical course of action to prevent the spread of these insect-borne infections. This work presents the leaf essential oil composition, mosquito larvicidal activities, and insect-repellent activity of Severinia monophylla. The essential oil of S. monophylla from Vietnam was obtained by hydrodistillation and analyzed by gas chromatography and mass spectrometry. The major components were sabinene, β-caryophyllene, bicyclogermacrene, germacrene D, (E)-nerolidol, globulol, and linalool. The leaf essential oil showed remarkable larvicidal activity against Ae. aegypti with LC50 (48 h) of 7.1 μg/mL and Ae. albopictus with LC50 (48 h) of 36 μg/mL. The essential oil also showed repellent activity on T. rubrofasciata at a concentration of 0.5%.

KEYWORDS:

Dengue fever; Sabinene; Trypanosomiasis; Vector control; Vietnam; β-Caryophyllene

PMID:
30671730
DOI:
10.1007/s00436-019-06212-1
[Indexed for MEDLINE]

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