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Effectiveness of macrogol and talcum base formulations of a new insect repellent N, N‐diethyl phenyl acetamide
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SynopsisThe effectiveness of macrogol and talcum base formulations of a new multi‐insect repellent N, N‐diethyl phenyl acetamide (DEPA) was studied against Aedes aegypti mosquitoes in the laboratory. The efficacy was compared with widely used repellent in India, viz. Dimethylphthalate. Twenty‐five per cent DEPA incorporated macrogol ointment and talcum base formulation offered more than 8 h and 6 h protection, as compared to DMP for 3 h and 1 h 30 min, respectively. The ointment was found to be stable as more than 99% DEPA was recovered by gas liquid chromatography after 6 months of storage at room temperature. The repellent formulations have not shown any gross adverse effect to the skin of albino rabbits.RésuméL'efficacité d'un nouvel agent repousseur d'insectes (le N, N‐diethyl phenyl acetamide) dans des formulations à base de macrogol et du talcL'efficacité des bases formulées à partir de macrogol et de talc pour un nouvel insecticide, N, N‐diethyl pnenyl acetamide (DEPA) a étéétudiée contre les moustiques Aedes aegypti en laboratoire. Cette efficacité a été comparée avec un insecticide couramment utilisé en Inde, le Dimethyl phthalate. 25% de DEPA incorporéà une base formulée à partir de pommade de macrogol et de talc a permis une protection respectivement de plus 5 h et de plus de8 h comparativement au DMP pour lequel la protection était respectivement de 3 h et 1 h 30. La pommade s'est avérée stable car plus de 99% de DEPA ont été identifiés par GLC après 6 mois de stockage à température ambiante. Les formulations d'insecticides n'ont révélé aucun effet adverse sur la peau des lapins albinos.
Title: Effectiveness of macrogol and talcum base formulations of a new insect repellent N, N‐diethyl phenyl acetamide
Description:
SynopsisThe effectiveness of macrogol and talcum base formulations of a new multi‐insect repellent N, N‐diethyl phenyl acetamide (DEPA) was studied against Aedes aegypti mosquitoes in the laboratory.
The efficacy was compared with widely used repellent in India, viz.
Dimethylphthalate.
Twenty‐five per cent DEPA incorporated macrogol ointment and talcum base formulation offered more than 8 h and 6 h protection, as compared to DMP for 3 h and 1 h 30 min, respectively.
The ointment was found to be stable as more than 99% DEPA was recovered by gas liquid chromatography after 6 months of storage at room temperature.
The repellent formulations have not shown any gross adverse effect to the skin of albino rabbits.
RésuméL'efficacité d'un nouvel agent repousseur d'insectes (le N, N‐diethyl phenyl acetamide) dans des formulations à base de macrogol et du talcL'efficacité des bases formulées à partir de macrogol et de talc pour un nouvel insecticide, N, N‐diethyl pnenyl acetamide (DEPA) a étéétudiée contre les moustiques Aedes aegypti en laboratoire.
Cette efficacité a été comparée avec un insecticide couramment utilisé en Inde, le Dimethyl phthalate.
25% de DEPA incorporéà une base formulée à partir de pommade de macrogol et de talc a permis une protection respectivement de plus 5 h et de plus de8 h comparativement au DMP pour lequel la protection était respectivement de 3 h et 1 h 30.
La pommade s'est avérée stable car plus de 99% de DEPA ont été identifiés par GLC après 6 mois de stockage à température ambiante.
Les formulations d'insecticides n'ont révélé aucun effet adverse sur la peau des lapins albinos.
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