Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam
Diseases transmitted by mosquitoes and snails cause a large burden of disease in less developed countries, especially those with low-income levels. An approach to control vectors and intermediate hosts based on readily available essential oils, which are friendly to the environment and human health,...
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MDPI AG
2023-08-01
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| author | Huynh Van Long Luu Huy Hung Nguyen Prabodh Satyal Van Hoa Vo Gia Huy Ngo Van The Pham William N. Setzer |
| author_facet | Huynh Van Long Luu Huy Hung Nguyen Prabodh Satyal Van Hoa Vo Gia Huy Ngo Van The Pham William N. Setzer |
| author_sort | Huynh Van Long Luu |
| collection | DOAJ |
| description | Diseases transmitted by mosquitoes and snails cause a large burden of disease in less developed countries, especially those with low-income levels. An approach to control vectors and intermediate hosts based on readily available essential oils, which are friendly to the environment and human health, may be an effective solution for disease control. Guava is a fruit tree grown on a large scale in many countries in the tropics, an area heavily affected by tropical diseases transmitted by mosquitoes and snails. Previous studies have reported that the extracted essential oils of guava cultivars have high yields, possess different chemotypes, and exhibit toxicity to different insect species. Therefore, this study was carried out with the aim of studying the chemical composition and pesticide activities of six cultivars of guava grown on a large scale in Vietnam. The essential oils were extracted by hydrodistillation using a Clevenger-type apparatus for 6 h. The components of the essential oils were determined using gas-chromatography–mass-spectrometry (GC-MS) analysis. Test methods for pesticide activities were performed in accordance with WHO guidelines and modifications. Essential oil samples from Vietnam fell into two composition-based clusters, one of (<i>E</i>)-β-caryophyllene and the other of limonene/(<i>E</i>)-β-caryophyllene. The essential oils PG03 and PG05 show promise as environmentally friendly pesticides when used to control <i>Aedes</i> mosquito larvae with values of 24 h LC<sub>50-<i>aegypti</i></sub> of 0.96 and 0.40 µg/mL while 24 h LC<sub>50-<i>albopictus</i></sub> of 0.50 and 0.42 µg/mL. These two essential oils showed selective toxicity against <i>Aedes</i> mosquito larvae and were safe against the non-target organism <i>Anisops bouvieri</i>. Other essential oils may be considered as molluscicides against <i>Physa acuta</i> (48 h LC<sub>50</sub> of 4.10 to 5.00 µg/mL) and <i>Indoplanorbis exustus</i> (48 h LC<sub>50</sub> of 3.85 to 7.71 µg/mL) and with less toxicity to <i>A. bouvieri</i>. |
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| format | Article |
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| institution | Directory Open Access Journal |
| issn | 2223-7747 |
| language | English |
| last_indexed | 2024-03-11T00:18:34Z |
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| spelling | doaj.art-89bde79f583944a08aff413f3ceaa4eb2023-11-18T23:27:13ZengMDPI AGPlants2223-77472023-08-011215288810.3390/plants12152888Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in VietnamHuynh Van Long Luu0Huy Hung Nguyen1Prabodh Satyal2Van Hoa Vo3Gia Huy Ngo4Van The Pham5William N. Setzer6Institute of Applied Technology, Thu Dau Mot University, 06 Tran Van On, Thu Dau Mot City 820000, VietnamCenter for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 550000, VietnamAromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USADepartment of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, VietnamCenter for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 550000, VietnamLaboratory of Ecology and Environmental Management, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City 70000, VietnamAromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USADiseases transmitted by mosquitoes and snails cause a large burden of disease in less developed countries, especially those with low-income levels. An approach to control vectors and intermediate hosts based on readily available essential oils, which are friendly to the environment and human health, may be an effective solution for disease control. Guava is a fruit tree grown on a large scale in many countries in the tropics, an area heavily affected by tropical diseases transmitted by mosquitoes and snails. Previous studies have reported that the extracted essential oils of guava cultivars have high yields, possess different chemotypes, and exhibit toxicity to different insect species. Therefore, this study was carried out with the aim of studying the chemical composition and pesticide activities of six cultivars of guava grown on a large scale in Vietnam. The essential oils were extracted by hydrodistillation using a Clevenger-type apparatus for 6 h. The components of the essential oils were determined using gas-chromatography–mass-spectrometry (GC-MS) analysis. Test methods for pesticide activities were performed in accordance with WHO guidelines and modifications. Essential oil samples from Vietnam fell into two composition-based clusters, one of (<i>E</i>)-β-caryophyllene and the other of limonene/(<i>E</i>)-β-caryophyllene. The essential oils PG03 and PG05 show promise as environmentally friendly pesticides when used to control <i>Aedes</i> mosquito larvae with values of 24 h LC<sub>50-<i>aegypti</i></sub> of 0.96 and 0.40 µg/mL while 24 h LC<sub>50-<i>albopictus</i></sub> of 0.50 and 0.42 µg/mL. These two essential oils showed selective toxicity against <i>Aedes</i> mosquito larvae and were safe against the non-target organism <i>Anisops bouvieri</i>. Other essential oils may be considered as molluscicides against <i>Physa acuta</i> (48 h LC<sub>50</sub> of 4.10 to 5.00 µg/mL) and <i>Indoplanorbis exustus</i> (48 h LC<sub>50</sub> of 3.85 to 7.71 µg/mL) and with less toxicity to <i>A. bouvieri</i>.https://www.mdpi.com/2223-7747/12/15/2888<i>Aedes</i><i>Culex</i>environmentally friendly<i>Indoplanorbis exustus</i><i>Physa acuta</i><i>Psidium guajava</i> |
| spellingShingle | Huynh Van Long Luu Huy Hung Nguyen Prabodh Satyal Van Hoa Vo Gia Huy Ngo Van The Pham William N. Setzer Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam Plants <i>Aedes</i> <i>Culex</i> environmentally friendly <i>Indoplanorbis exustus</i> <i>Physa acuta</i> <i>Psidium guajava</i> |
| title | Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam |
| title_full | Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam |
| title_fullStr | Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam |
| title_full_unstemmed | Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam |
| title_short | Chemical Composition, Larvicidal and Molluscicidal Activity of Essential Oils of Six Guava Cultivars Grown in Vietnam |
| title_sort | chemical composition larvicidal and molluscicidal activity of essential oils of six guava cultivars grown in vietnam |
| topic | <i>Aedes</i> <i>Culex</i> environmentally friendly <i>Indoplanorbis exustus</i> <i>Physa acuta</i> <i>Psidium guajava</i> |
| url | https://www.mdpi.com/2223-7747/12/15/2888 |
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