Essential Oil from Bush Mint, Hyptis suaveolens, is as Effective as DEET for Personal Protection against Mosquito Bites

Abagli, Ayaba Z.

doi:10.2174/1874407901105010045

Cited by 18 publications

(15 citation statements)

References 15 publications

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“…Hyptis suaveolens repellence was highest in the first hour for 30% and 20% concentration. This is in agreement with the study done by (Abagvi and Alavo, 2011) that repellence was high in the first 15 minutes to 1 hour of study and that study. Also according to them, it was shown that low concentration of Hyptis suaveolens essential oil induced maximal repellency rate against Anopheles gambiae.…”

Section: Discussionsupporting

confidence: 94%

The Larvicidal and Repellent Effect of Bush Mint Plant (Hyptis suaveolens) and Hairy Sicklepod (Senna hirsuta) Extracts against the Larvae and Adult of Culex quinquefasciatus

Ezihe¹,

Egbuche²,

Nwankwo³

et al. 2017

jmr

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.A., and Onyali I.O., 2017, The larvicidal and repellent effect of bush mint plant (Hyptis suaveolens) and hairy sicklepod (Senna hirsuta) extracts against the larvae and adult of Culex quinquefasciatus, Journal of Mosquito Research, 7(8): 59-69 (doi: 10.5376/jmr.2017.07.0008) Abstract The efficacy of hexane leaf extracts of Hyptissuaveolens and Senna hirsuta as a larvicide and repellent against the 4 th instar larvae and adult of Culexquinquefasciatus was investigated. Extraction was done using Soxhlet apparatus. Twenty fourth instar larvae of Culexquinquefasciatus were exposed to various concentrations (5%, 10%, 15%, 20%, 30% and control) and observed over 3 hours for mortality. Repellency against the adult mosquito was investigated on five human volunteers who did not use any lotion, soap or perfume on the arm. The experiment was carried out during the day in a dark shade. Percentage repellence was recorded every 10minutes for a period of 1 hour. Lethal concentration 50% (LC 50 ) which is the concentration required to kill half the members of the tested population after 3 hours of exposure was used to assess the larval mortality. Result indicated the combined extract with LC 50 6% gave a higher mortality than the individual extract of Hyptis suaveolens (LC 50 6.4%) and Senna hirsuta (LC 50 7.5%). Similarly, repellence was highest in the combined extract with 75% repellency than in the extracts of Hyptis suaveolens (70%) and Senna hirsuta (50%). The result observed in the study was analyzed using Analysis of Variance. There was a significant difference from the use of individual extracts (P< 0.05). From the result of the study, it was deduced that the efficacy of the treatments increased with an increasing exposure time and concentration. The findings of the study revealed the efficacy of hexane leaf extracts of Hyptis suaveolens and Senna hirsuta as good larvicide and repellent against Culex quinquefasciatus especially in the synergistic state.

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Section: Discussionsupporting

confidence: 94%

The Larvicidal and Repellent Effect of Bush Mint Plant (Hyptis suaveolens) and Hairy Sicklepod (Senna hirsuta) Extracts against the Larvae and Adult of Culex quinquefasciatus

Ezihe¹,

Egbuche²,

Nwankwo³

et al. 2017

jmr

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“…Hyptis suaveolens (L.) Poit, a potential anti-feedant plant product belongs to the family laminaceae [18]. Ethnobotanical studies conducted in Kenya on H. suaveolens showed that, the plant can repel mosquitoes effectively when burned overnight in rooms [19] and [20] also in his phytochemical and Ethnobotanical database refers to the plant as insect repellant. H. suaveolens is used for some Ethnobotanical applications in rural communities [21][22][23] and [24] and the plant is readily available close to villages, along roadsides, on farm steads etc [25].…”

Section: Introductionmentioning

confidence: 99%

Insecticidal activity of Wild Spikenard (Hyptis suaveolens L. Poit) on Adult Mortality and Female Oviposition of Groundnut Bruchid, Caryedon serratus Olivier on stored Groundnut Seeds and Tamarind pods

Oaya¹,

Malgwi²,

Mohammed³

2017

RRST

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An investigation was conducted to estimate the insecticidal deterrence of wild Spikenard (Hyptis suaveolens L. Poit) on adult mortality and female oviposition of groundnut bruchid, Caryedon serratus Olivier on stored groundnut seeds and tamarind pods. Data were taken on mean percentage mortality and mean number of eggs laid (female oviposition). The highest mean percentage mortality for both stored produces were reported in actellic dust and 12.00g levels of H. suaveolens whole powders (93.50; 91.75 and 92.25; 91.25) while the least were obtained in the controls (4.75; 3.25). Moreover, 12.00g levels of H. suaveolens whole powder and actellic dust recorded the least mean number of eggs laid (female oviposition) (18.00; 17.00 and 19.25; 18.00) while the highest was reported in the controls (318.25; 305.50) respectively. There was no significant difference between the effects of rates of synthetic insecticides and 12.00g level of H. suaveolens whole powder in all the parameters measured.

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“…However, DEET has an unpleasant odor, can damage plastics and synthetic rubber and exhibits a high level of skin penetration [2]. Moreover, concerns have been raised over the safety of DEET and other synthetic compounds [3]; hence, plantbased products have become increasingly popular as safe and biodegradable mosquito repellents [4].…”

Section: Introductionmentioning

confidence: 99%

Synergistic mosquito-repellent activity of Curcuma longa, Pogostemon heyneanus and Zanthoxylum limonella essential oils

Das

Dhiman

Talukdar

et al. 2015

Journal of Infection and Public Health

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Mosquito repellents play an important role in preventing man-mosquito contact. In the present study, we evaluated the synergistic mosquito-repellent activity of Curcuma longa, Pogostemon heyneanus and Zanthoxylum limonella essential oils. The mosquito repellent efficacies of three essential oils were evaluated separately and in combination under laboratory and field conditions. N,N-Diethylphenylacetamide (DEPA) and dimethylphthalate (DMP) were used for comparison of the protection time of the mixture of essential oils. At an optimum concentration of 20%, the essential oils of C. longa, Z. limonella and P. heyneanus provided complete protection times (CPTs) of 96.2, 91.4 and 123.4 min, respectively, against Aedes albopictus mosquitoes in the laboratory. The 1:1:2 mixture of the essential oils provided 329.4 and 391.0 min of CPT in the laboratory and field trials, respectively. The percent increases in CPTs for the essential oil mixture were 30 for DMP and 55 for N,N-diethylphenylacetamide (DEPA). The synergistic repellent activity of the essential oils used in the present study might be useful for developing safer alternatives to synthetic repellents for personal protection against mosquitoes.

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Essential Oil from Bush Mint, Hyptis suaveolens, is as Effective as DEET for Personal Protection against Mosquito Bites

Cited by 18 publications

References 15 publications

The Larvicidal and Repellent Effect of Bush Mint Plant (<i>Hyptis suaveolens</i>) and Hairy Sicklepod (<i>Senna hirsuta</i>) Extracts against the Larvae and Adult of <i>Culex quinquefasciatus</i>

The Larvicidal and Repellent Effect of Bush Mint Plant (<i>Hyptis suaveolens</i>) and Hairy Sicklepod (<i>Senna hirsuta</i>) Extracts against the Larvae and Adult of <i>Culex quinquefasciatus</i>

Insecticidal activity of Wild Spikenard (Hyptis suaveolens L. Poit) on Adult Mortality and Female Oviposition of Groundnut Bruchid, Caryedon serratus Olivier on stored Groundnut Seeds and Tamarind pods

Synergistic mosquito-repellent activity of Curcuma longa, Pogostemon heyneanus and Zanthoxylum limonella essential oils

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