Evaluation of ovicidal and larvicidal effects of leave extracts of Hyptis suaveolens (L) POIT (Lamiaceae) against Anopheles gambiae (Diptera: Anophelidae) Complex

2010 ◽  
Vol 6 (3) ◽  
Author(s):  
N Ivoke ◽  
FC Okafor ◽  
LO Owoicho
Keyword(s):  
Anopheles Gambiae ◽  
Hyptis Suaveolens

scholarly journals Adulticidal Activity of Hyptis suaveolens, Chenopodium ambrosioides and Lippia adoensis Leaf Extracts and Essential Oils against Anopheles gambiae (Diptera: Culicidae)

2021 ◽  
pp. 18-32
Author(s):  
Kary Mallam Oumarou ◽  
Lame Younoussa ◽  
Jacob Dogbaga Langsi ◽  
Pierre Saotoing ◽  
Elias Nchiwan Nukenine
Keyword(s):  
Essential Oil ◽  
Essential Oils ◽  
Anopheles Gambiae ◽  
Plant Extracts ◽  
Chemical Constituents ◽  
Fats And Oils ◽  
Chenopodium Ambrosioides ◽  
Leaf Extracts ◽  
Hyptis Suaveolens ◽  
Lippia Adoensis

The study was undertaken to evaluate the adulticidal efficacy of the methanolic leaf extracts and essential oils of Chenopodium ambrosioides, Hyptis suaveolens and Lippia adoensis against adults of Anopheles gambiae. A chemical profile of each plant extracts (qualitative phytochemical screening) and essential oil (GC/MS analysis) was also determined. Doses of 125, 250, 500 and 1000 mg/bottle of plant extracts and 25, 50, 100 and 200 mg/bottle of essential oils were prepared and tested using CDC bottles. In each plant extract, alkaloids, flavonoids, saponins, tannins, phenolic groups, terpenoids, fats and oils were presents. Major chemical constituents of essential oils were thymol (27.09%), sabinene (18.93%) and 4-carene (52.88%) in L. adoensis, H. suaveolens and C. ambrosioides, respectively. L. adoensis extract (at 1000 mg/bottle) and essential oil of H. suaveolens (at 200 mg/bottle) were the most potent causing 100% mortality of An. gambiae adults, 24 h post-exposure. Methanolic extract of L. adoensis (LC50= 20.20 mg/bottle) was the most effective compared to other extracts. Similarly, essential oil of H. suaveolens (LC50= 5.27 mg/bottle) was revealed as the most toxic on An. gambiae adults compared to other oils. Therefore, the extracts of L. adoensis and essential oil of H. suaveolens showed a high activity and should be recommended to be promoting as natural bioinsecticides to control mosquito adults.

scholarly journals PHYTOCHEMICAL ANALYSIS OF HYPTIS SUAVEOLENS EXTRACT AND ITS EFFECTS ON THE GROWTH OF DISEASE-CAUSING PARASITES

2021 ◽  
Vol 9 (5) ◽  
pp. 555-560
Author(s):  
Racheal M. Agenyi ◽  
Keyword(s):  
Adverse Effects ◽  
Anopheles Gambiae ◽  
Insect Resistance ◽  
Inhibitory Activity ◽  
Chemical Compounds ◽  
Phytochemical Analysis ◽  
Distilled Water ◽  
Environment Friendly ◽  
Hyptis Suaveolens ◽  
Glass Beaker

Plants extracts contain many essential natural synthesized chemical compounds with considerable potentials for medicinal exploitation and application. There has been a growing concern about the adverse effects of mosquito repellants and the need to search for natural and environment-friendly Mosquito repellants. Synthetic insecticides and their associated toxicity issuesand the growing incidence of insect resistance haveinspired novel insecticides. The present study analyzed the phytochemical extract of H. suaveolensand its effect on mosquito pupa. A total number of pupa (320) was poured into a 200ml glass beaker twenty pupae each per three hours was introduced into a glass beaker containing different extract concentrations (ppm) of Hyptissuaveolens. Twenty pupae were introduced in contrast to a glass beaker containing 100ml of distilled water treated with 1ml of acetone used as treated control. Twenty pupae were introduced into 100ml of distilled water and used as untreated control.The result reveals that Hyptissuaveolenspossesses inhibitory activity against Anopheles gambiae.

Larvicidal Activities of Hyptis suaveolens and Ocimum sanctum against Anopheles gambiae

2015 ◽  
Vol 3 (3) ◽  
pp. 131-137 ◽  
Author(s):  
Elijah Ohimain ◽  
Tariwari Angaye ◽  
Joseph Bamidele
Keyword(s):  
Anopheles Gambiae ◽  
Ocimum Sanctum ◽  
Hyptis Suaveolens ◽  
Larvicidal Activities

scholarly journals Bioactivity of Leaf Extract Hyptis suaveolens (Bush tea) on Larvae of Anopheles gambiae Collected from Keffi Area, Nasarawa State, Nigeria.

2019 ◽  
Vol 1 ◽  
pp. 57-66
Author(s):  
I I Ahmad ◽  
G A Amuga ◽  
R J Ombugadu ◽  
J D C Tongjura ◽  
A A Abdulmalik
Keyword(s):  
Mortality Rate ◽  
Anopheles Gambiae ◽  
Leaf Extract ◽  
World Health ◽  
Malaria Vector Control ◽  
Test Procedures ◽  
Leaf Extracts ◽  
Lc50 Value ◽  
Hyptis Suaveolens ◽  
Health Organization

Malaria vector control continues to be a major challenge in -Nigeria. Hyptis suaveolens (Bush tea) is one of the traditionally used mosquitos repellent. The effect of methanolic leaf extract of Hyptis suaveolenson larvae of Anopheles gambiae sampled from Keffi, was conducted following the world Health Organization guidelines for laboratory testing. Samples of the leaf were collected and used for test Procedures. Larvae of A. gambiae were exposed to 50, 100, 150,200, 250 and 0.00(control) mg/ml concentrations of leaf extract for 72 hours. Percentage mortality was calculated by using Abott’s formular and lethal concentration (LC50) was determined by a log dosage probit mortality. The result revealed highest and lowest mortality rate of 25.00 ± 0.00 and 1.66± 0.00 for larvae respectively. There were significant differences at (P<0.05) on the mortality rate on the larvae exposed to different concentrations of the plant extracts. The 72 hours LC50 value leaf extracts on larvae was 52.00mg/ml. The result of this study indicated that Hyptis suaveolens possess larvicidal repellant properties and it should be encouraged to be used in communities at zero expense.

scholarly journals Bioactivity of Leaf Extract Hyptis suaveolens (Bush tea) on Larvae of Anopheles gambiae Collected from Keffi Area, Nasarawa State, Nigeria.

2019 ◽  
Vol 1 ◽  
pp. 57-66
Author(s):  
I I Ahmad ◽  
G A Amuga ◽  
R J Ombugadu ◽  
J D C Tongjura ◽  
A A Abdulmalik
Keyword(s):  
Mortality Rate ◽  
Anopheles Gambiae ◽  
Leaf Extract ◽  
World Health ◽  
Malaria Vector Control ◽  
Test Procedures ◽  
Leaf Extracts ◽  
Lc50 Value ◽  
Hyptis Suaveolens ◽  
Health Organization

Malaria vector control continues to be a major challenge in -Nigeria. Hyptis suaveolens (Bush tea) is one of the traditionally used mosquitos repellent. The effect of methanolic leaf extract of Hyptis suaveolenson larvae of Anopheles gambiae sampled from Keffi, was conducted following the world Health Organization guidelines for laboratory testing. Samples of the leaf were collected and used for test Procedures. Larvae of A. gambiae were exposed to 50, 100, 150,200, 250 and 0.00(control) mg/ml concentrations of leaf extract for 72 hours. Percentage mortality was calculated by using Abott’s formular and lethal concentration (LC50) was determined by a log dosage probit mortality. The result revealed highest and lowest mortality rate of 25.00 ± 0.00 and 1.66± 0.00 for larvae respectively. There were significant differences at (P<0.05) on the mortality rate on the larvae exposed to different concentrations of the plant extracts. The 72 hours LC50 value leaf extracts on larvae was 52.00mg/ml. The result of this study indicated that Hyptis suaveolens possess larvicidal repellant properties and it should be encouraged to be used in communities at zero expense.

scholarly journals Hyptis suaveolens Extract Exhibits Larvicidal Activity Against Anopheles gambiae Larvae

2018 ◽  
Vol 2 (5) ◽  
pp. 245-249 ◽  
Author(s):  
Jeremiah Abok ◽  
◽  
Akwashiki Ombugadu ◽  
Gladys Angbalaga ◽  
◽  
...  
Keyword(s):  
Anopheles Gambiae ◽  
Larvicidal Activity ◽  
Hyptis Suaveolens
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