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Screening of selected ethnomedicinal plants from South

who guidelines for larvicidal activity

Mosquito larvicidal and phytochemical properties of. LARVICIDAL ACTIVITY OF LEAF EXTRACT OF GINGER AND TURMERIC ON MOSQUITO LARVAE HTML Full Text. LARVICIDAL ACTIVITY OF LEAF EXTRACT OF GINGER AND TURMERIC ON MOSQUITO LARVAE. Kalyani Khanra, Indranil Choudhuri and Nandan Bhattacharyya * Department of Biotechnology, Panskura Banamali College, Panskura R. S., Purba Medinipur - 721152, West …, Larvicidal Activity of Medicinal Plant Extracts Against Culex Quinquefasciatus Say and Aedes Aegypti L. Mosquitoes (Diptera: Culicidae) The aim of the present study was to assess the larvicidal activity of medicinal plant extracts against Culex quinquefasciatus and ….

IJMRK2 activity of Citrofortunella microcarpa (Lemonsito

Screening of selected ethnomedicinal plants from South. The larvicidal assay was carried as per the W.H.O guidelines for larvicidal activity with minor modifications. Batches of approximately 25 third or fourth instar larvae were transferred by means of strainers, screen loops or droppers to small disposable test cups or vessels, each containing 100–200 ml, PDF Objective: To screen for larvicidal activity of aqueous and ethanolic extracts (95% ethanol) from Selaginella elmeri, Christella dentata, Elatostema sinnatum, Curculigo capitulata, Euphorbia.

The biological activity of plant-based insecticides against mosquito larvae extensively varies according to the solvent used for its extraction [].The findings of current study are inconformity with the past findings whereby methanol solvent for plant extract resulted in higher larvicidal activity against Ae. albopictus larvae compared with acetone extract. Larvicidal Activity of Medicinal Plant Extracts Against Culex Quinquefasciatus Say and Aedes Aegypti L. Mosquitoes (Diptera: Culicidae) The aim of the present study was to assess the larvicidal activity of medicinal plant extracts against Culex quinquefasciatus and …

BioAssay record AID 1101637 submitted by ChEMBL: Larvicidal activity against Drosophila melanogaster at 200 ppm relative to control. Apr 15, 2014 · During the screening programme for new agrochemicals from Chinese medicinal herbs and local wild plants, the essential oil of dried bulbs of Allium macrostemon Bunge (Liliaceae) was found to possess larvicidal activity against mosquitoes. The aim of this research was to determine the larvicidal activity of the essential oil and its major constituent …

Dec 15, 2017 · For the first time, this experiment determined larvicidal activity of essential oil of Tarragon and compared the larvicidal activity of bulk essential oil with its nanoemulsion against one of the main vector spreading malaria, Anopheles stephensi. Reviewing the literature, by decreasing droplet size of nanoemulsions, larvicidal activity increases. Mar 01, 2011 · The larvicidal activity of 11 Myrtaceae essential oils and their constituents was evaluated against Aedes aegypti L. Of the 11, Melaleuca linariifolia Sm., Melaleuca dissitiflora F. Muell., Melaleuca quinquenervia (Cav.) S. T. Blake, and Eucalyptus globulus Labill oils at 0.1 mg/ml exhibited ≥80% larval mortality.

Mar 01, 2011 · The larvicidal activity of 11 Myrtaceae essential oils and their constituents was evaluated against Aedes aegypti L. Of the 11, Melaleuca linariifolia Sm., Melaleuca dissitiflora F. Muell., Melaleuca quinquenervia (Cav.) S. T. Blake, and Eucalyptus globulus Labill oils at 0.1 mg/ml exhibited ≥80% larval mortality. Apr 15, 2014 · During the screening programme for new agrochemicals from Chinese medicinal herbs and local wild plants, the essential oil of dried bulbs of Allium macrostemon Bunge (Liliaceae) was found to possess larvicidal activity against mosquitoes. The aim of this research was to determine the larvicidal activity of the essential oil and its major constituent …

Larvicidal Activity. The larvicidal activity results of the test plant extracts/EO against C. pipiens L. are summarized in Table 5. Table 5. Larvicidal Activity of Plant Extracts/Oils against Culex pipiens L. The EOs of basil O. basilicum and E. gomphocephala displayed the highest larvicidal activity with LC 50 values of BioAssay record AID 1101637 submitted by ChEMBL: Larvicidal activity against Drosophila melanogaster at 200 ppm relative to control.

Larvicidal Activity. The larvicidal activity results of the test plant extracts/EO against C. pipiens L. are summarized in Table 5. Table 5. Larvicidal Activity of Plant Extracts/Oils against Culex pipiens L. The EOs of basil O. basilicum and E. gomphocephala displayed the highest larvicidal activity with LC 50 values of Background & Objectives. The plan of this work was to study the larvicidal activity of Cassia occidentalis (Linn.) against the larvae of Culex quinquefasciatus. These larvae are the most significant vectors. They transmit the parasites and pathogens which cause a deadly disease like filariasis, dengue, yellow fever, malaria, Japanese encephalitis, chikungunya, and so forth, …

Larvicidal Activity of Medicinal Plant Extracts Against Culex Quinquefasciatus Say and Aedes Aegypti L. Mosquitoes (Diptera: Culicidae) The aim of the present study was to assess the larvicidal activity of medicinal plant extracts against Culex quinquefasciatus and … Dec 15, 2017 · For the first time, this experiment determined larvicidal activity of essential oil of Tarragon and compared the larvicidal activity of bulk essential oil with its nanoemulsion against one of the main vector spreading malaria, Anopheles stephensi. Reviewing the literature, by decreasing droplet size of nanoemulsions, larvicidal activity increases.

The biological activity of plant-based insecticides against mosquito larvae extensively varies according to the solvent used for its extraction [].The findings of current study are inconformity with the past findings whereby methanol solvent for plant extract resulted in higher larvicidal activity against Ae. albopictus larvae compared with acetone extract. The larvicidal activity was assessed by the standard protocol described by the WHO with some modification . The larvicidal activity of C. zedoaria essential oil (ZEO) and ZEO-AgNPs were tested against both deltamethrin-susceptible and -resistant strains of Cx. quinquefasciatus larvae. The ZEO was diluted in dimethyl sulfoxide (DMSO) to prepare

The biological activity of plant-based insecticides against mosquito larvae extensively varies according to the solvent used for its extraction [].The findings of current study are inconformity with the past findings whereby methanol solvent for plant extract resulted in higher larvicidal activity against Ae. albopictus larvae compared with acetone extract. Compounds of Plants With Larvicidal Activity “Web of Science” and “Scopus” databases were used as search engines. Keywords employed were A. aegypti, larvicidal activity natural, and plant. The search emphasized on articles published between 2013 and 2018. About 37 publications describing compounds with larvi-

The activity of crude plant extracts is often attributed to the complex mixture of active compounds. In the preliminary screening, potential larvicidal activity of plants, different solvents crude extracts of three plants was noted (Table II, Fig. Fig.A, A, ,B B and andC). C). protocol for larvicidal bioassay was used to determine the larvicidal activity of the crude and semi-crude extracts of both plants. The n-butanol extract of F. camarinensis had shown the lowest Lethal Concentration (LC 50) and LC 90 at 268.5 ppm and 281.4 ppm for 24 hours and 265.2 ppm and 278.6 ppm for 48 hours, respectively.

Larvicidal Activity. The larvicidal activity results of the test plant extracts/EO against C. pipiens L. are summarized in Table 5. Table 5. Larvicidal Activity of Plant Extracts/Oils against Culex pipiens L. The EOs of basil O. basilicum and E. gomphocephala displayed the highest larvicidal activity with LC 50 values of 2.4. Larvicidal and pupicidal bioassay Larvicidal bioassay was carried out as per the guidelines of World Health Organization [42] with minor modifications. Larvicidal activity at test concentrations of 62.5, 125, 250 and 500mg/L of each crude leaf extract was assessed. The required test concentrations and quantity of test solution was

Jun 08, 2009 · Field evaluation of larvicidal activity. Field evaluation of larvicidal activity of the neem oil formulation was carried out in two districts of Uttar Pradesh viz. Mathura and Kanpur and district Hardwar of the state of Uttarakhand. The larvicidal assay was carried as per the W.H.O guidelines for larvicidal activity with minor modifications. Batches of approximately 25 third or fourth instar larvae were transferred by means of strainers, screen loops or droppers to small disposable test cups or vessels, each containing 100–200 ml

Dec 06, 2008 · Mosquitoes are associated with the transmission of malaria, dengue, Japanese encephalitis, filariasis and other viral diseases throughout the globe, apart from being a nuisance pest. Biological control alone or as a part of integrated vector management stands to be a better alternative to the chemical controls aimed against pest mosquitoes. At the same time it is … The increasing rate of resistance to antibiotics and insecticides by microorganisms and various insect pests have become an issue of Public Health concern. In this research, various concentrations of extracts were tried against three Gram negative

The larvicidal assay was carried as per the W.H.O guidelines for larvicidal activity with minor modifications. Batches of approximately 25 third or fourth instar larvae were transferred by means of strainers, screen loops or droppers to small disposable test cups or vessels, each containing 100–200 ml Jun 01, 2009 · The essential oil and methanolic and aqueous extracts of Piper betle L. were assayed for their antimicrobial activity, mosquito larvicidal activity, antioxidant property and mushroom tyrosinase inhibition. The methanolic and aquaous extracts showed strong activity against the yeasts: C. albicans, and M. pachydermatis. The crude essential oil

A study was conducted on the antioxidant, larvicidal and anti-acetylcholinesterase activities of cashew nut shell liquid constituents namely, cardol, cardanol and anacardic acid. Results of study indicated that these constituents showed good larvicidal activity against A. aegypti [15]. Background & Objectives. The plan of this work was to study the larvicidal activity of Cassia occidentalis (Linn.) against the larvae of Culex quinquefasciatus. These larvae are the most significant vectors. They transmit the parasites and pathogens which cause a deadly disease like filariasis, dengue, yellow fever, malaria, Japanese encephalitis, chikungunya, and so forth, …

The Penicillium sp. only revealed higher larvicidal activity when compared with the other fungi and hence it was selected for further larvicidal tests. Larvicidal Activity of Potential Fungus. The larvicidal effect of fungal MEAE prepared from Penicillium sp. has shown excellent activity against 1–4th instar larvae of the Ae. aegypti and the Apr 15, 2014 · During the screening programme for new agrochemicals from Chinese medicinal herbs and local wild plants, the essential oil of dried bulbs of Allium macrostemon Bunge (Liliaceae) was found to possess larvicidal activity against mosquitoes. The aim of this research was to determine the larvicidal activity of the essential oil and its major constituent …

The biological activity of plant-based insecticides against mosquito larvae extensively varies according to the solvent used for its extraction [].The findings of current study are inconformity with the past findings whereby methanol solvent for plant extract resulted in higher larvicidal activity against Ae. albopictus larvae compared with acetone extract. Larvicidal Activity of Anacardium occidentale Against Aedes aegypti. Rosalinda C. Torres 1,2*, Alicia G. Garbo 1, and Rikkamae Zinca Marie L. Walde 2. 1 Industrial Technology Development Institute and 2 National Research Council of the Philippines Department of Science and Technology General Santos Ave., Bicutan, Taguig City, 1631 Metro Manila, PHILIPPINES

Mar 01, 2011 · The larvicidal activity of 11 Myrtaceae essential oils and their constituents was evaluated against Aedes aegypti L. Of the 11, Melaleuca linariifolia Sm., Melaleuca dissitiflora F. Muell., Melaleuca quinquenervia (Cav.) S. T. Blake, and Eucalyptus globulus Labill oils at 0.1 mg/ml exhibited ≥80% larval mortality. The larvicidal activity was observed for over 30 min. and death of the larvae confirmed the larvicidal activity. The experiment was checked daily for recording the biological effects of following criterias [19]. Larval mortality percent: was estimated by using the following equation:

Larvicidal Activity of Anacardium occidentale Against. Apr 15, 2014 · During the screening programme for new agrochemicals from Chinese medicinal herbs and local wild plants, the essential oil of dried bulbs of Allium macrostemon Bunge (Liliaceae) was found to possess larvicidal activity against mosquitoes. The aim of this research was to determine the larvicidal activity of the essential oil and its major constituent …, Apr 03, 2008 · Solanum villosum is a common weed distributed in many parts of India with medicinal properties, but the larvicidal activity of this plant has not been reported so far. Aqueous and polar/non-polar solvent extract of fresh, mature, green berries of S. villosum was tested against Stegomyia aegypti, a common vector of dengue fever..

(PDF) EVALUATION OF THE ANTIMICROBIAL AND LARVICIDAL

who guidelines for larvicidal activity

Molecules Free Full-Text Larvicidal Compounds. Larvicidal Activity of Anacardium occidentale Against Aedes aegypti. Rosalinda C. Torres 1,2*, Alicia G. Garbo 1, and Rikkamae Zinca Marie L. Walde 2. 1 Industrial Technology Development Institute and 2 National Research Council of the Philippines Department of Science and Technology General Santos Ave., Bicutan, Taguig City, 1631 Metro Manila, PHILIPPINES, BioAssay record AID 1112973 submitted by ChEMBL: Larvicidal activity against second-instar larvae of Plutella xylostella (diamondback moth) infected in compound-treated cabbage leaves measured after 4 days..

Larvicidal Activity of Ajowan (Trachyspermum ammi) and. Larvicidal Activity of Medicinal Plant Extracts Against Culex Quinquefasciatus Say and Aedes Aegypti L. Mosquitoes (Diptera: Culicidae) The aim of the present study was to assess the larvicidal activity of medicinal plant extracts against Culex quinquefasciatus and …, Mar 01, 2011 · The larvicidal activity of 11 Myrtaceae essential oils and their constituents was evaluated against Aedes aegypti L. Of the 11, Melaleuca linariifolia Sm., Melaleuca dissitiflora F. Muell., Melaleuca quinquenervia (Cav.) S. T. Blake, and Eucalyptus globulus Labill oils at 0.1 mg/ml exhibited ≥80% larval mortality..

Laboratory Evaluation of Certain Essential Oils for Their

who guidelines for larvicidal activity

The Antimicrobial Activity Mosquito Larvicidal Activity. Jun 01, 2009 · The essential oil and methanolic and aqueous extracts of Piper betle L. were assayed for their antimicrobial activity, mosquito larvicidal activity, antioxidant property and mushroom tyrosinase inhibition. The methanolic and aquaous extracts showed strong activity against the yeasts: C. albicans, and M. pachydermatis. The crude essential oil Dec 06, 2008 · Mosquitoes are associated with the transmission of malaria, dengue, Japanese encephalitis, filariasis and other viral diseases throughout the globe, apart from being a nuisance pest. Biological control alone or as a part of integrated vector management stands to be a better alternative to the chemical controls aimed against pest mosquitoes. At the same time it is ….

who guidelines for larvicidal activity


TORRES et al.: OVICIDAL, LARVICIDAL, AND ADULTICIDAL ACTIVITY OF CITRUS GRANDIS (L.) OSBECK 253 The focus of the present investigation was on the study of C. grandis as a potential vector control measure against A. aegypti that is acceptable to the public, cost-effective, and more importantly safe for the environment. for their larvicidal properties, revealing variably useful leads for the development of practical interventions. Although a small number of studies have investigated larvicidal activity of plant extracts against Anopheles ste-phensi [25,26] there are limited data regarding the test-ing of plant extracts against An. arabiensis. Zarroug

PDF Objective: To screen for larvicidal activity of aqueous and ethanolic extracts (95% ethanol) from Selaginella elmeri, Christella dentata, Elatostema sinnatum, Curculigo capitulata, Euphorbia The Penicillium sp. only revealed higher larvicidal activity when compared with the other fungi and hence it was selected for further larvicidal tests. Larvicidal Activity of Potential Fungus. The larvicidal effect of fungal MEAE prepared from Penicillium sp. has shown excellent activity against 1–4th instar larvae of the Ae. aegypti and the

Helicteres velutina K. Schum (Sterculiaceae), a member of Malvaceae sensu lato, is a Brazilian endemic plant that has been used by the indigenous tribe Pankarare as an insect repellent. A previous study has reported the isolation of terpenoids, flavonoids and pheophytins, in addition to the larvicidal activity of crude H. velutina extracts derived from the aerial components (leaves, … The larvicidal assay was carried as per the W.H.O guidelines for larvicidal activity with minor modifications. Batches of approximately 25 third or fourth instar larvae were transferred by means of strainers, screen loops or droppers to small disposable test cups or vessels, each containing 100–200 ml

Apr 15, 2014 · During the screening programme for new agrochemicals from Chinese medicinal herbs and local wild plants, the essential oil of dried bulbs of Allium macrostemon Bunge (Liliaceae) was found to possess larvicidal activity against mosquitoes. The aim of this research was to determine the larvicidal activity of the essential oil and its major constituent … PDF Objective: To screen for larvicidal activity of aqueous and ethanolic extracts (95% ethanol) from Selaginella elmeri, Christella dentata, Elatostema sinnatum, Curculigo capitulata, Euphorbia

Background document for development of WHO Guidelines for Drinking-water Quality Currently, the larvicidal activity is expressed in terms of lethal doses (LD 50) or lethal concentrations (e.g. LC 50, LC 90) according to the bioassay method used. For example, when susceptible mosquito larvae are exposed to Bti ICP, they protocol for larvicidal bioassay was used to determine the larvicidal activity of the crude and semi-crude extracts of both plants. The n-butanol extract of F. camarinensis had shown the lowest Lethal Concentration (LC 50) and LC 90 at 268.5 ppm and 281.4 ppm for 24 hours and 265.2 ppm and 278.6 ppm for 48 hours, respectively.

This study investigated the larvicidal activity of the methanolic leaf extract of Citrofortunella microcarpa and Carica papaya against the dengue-vector, Aedes sp. mosquito. Qualitative phytochemical screening was performed to identify the bioactive chemicals present in the extract and a larvicidal assay was These compounds are known to possess insecticidal and larvicidal properties causing the mortality of insects and other pests. All plant extracts showed significant larvicidal activity against A. aegypti mosquito larvae at 0.05 level of significance.

Dec 06, 2008 · Mosquitoes are associated with the transmission of malaria, dengue, Japanese encephalitis, filariasis and other viral diseases throughout the globe, apart from being a nuisance pest. Biological control alone or as a part of integrated vector management stands to be a better alternative to the chemical controls aimed against pest mosquitoes. At the same time it is … Larvicidal Activity of Medicinal Plant Extracts Against Culex Quinquefasciatus Say and Aedes Aegypti L. Mosquitoes (Diptera: Culicidae) The aim of the present study was to assess the larvicidal activity of medicinal plant extracts against Culex quinquefasciatus and …

Compounds of Plants With Larvicidal Activity “Web of Science” and “Scopus” databases were used as search engines. Keywords employed were A. aegypti, larvicidal activity natural, and plant. The search emphasized on articles published between 2013 and 2018. About 37 publications describing compounds with larvi- Compounds of Plants With Larvicidal Activity “Web of Science” and “Scopus” databases were used as search engines. Keywords employed were A. aegypti, larvicidal activity natural, and plant. The search emphasized on articles published between 2013 and 2018. About 37 publications describing compounds with larvi-

Aims: To determine the chemical constituents, antioxidant activity and insecticidal potential of Alchornea laxiflora leaf extracts. Methods: The powdered dry leaf was Soxhlet-extracted with petroleum ether and the residue re-extracted with ethanol to give petroleum ether and ethanol extracts respectively. The chemical constituents were determined by GC-MS analysis. BioAssay record AID 1101637 submitted by ChEMBL: Larvicidal activity against Drosophila melanogaster at 200 ppm relative to control.

ports of the larvicidal activity of crude extract of Sida acuta against three important mosquitoes with LC 50 val-ues ranging between 38 and 48 mg/l7. The essential oil from the leaves of Clausena anisata exhibited signifi-cant larvicidal activity, with 24 h LC 50 values of 140.96, 130.19 and 119.59 ppm, respectively 8. The benzene, hex- Sep 10, 2012 · This study was initiated to establish whether any South African ethnomedicinal plants (indigenous or exotic), that have been reported to be used traditionally to repel or kill mosquitoes, exhibit effective mosquito larvicidal properties. Extracts of a selection of plant taxa sourced in South Africa were tested for larvicidal properties in an applicable assay.

Larvicidal assay against Culex quinquefasciatus mosquito: Larvicidal potential of the plant extracts was evaluated following WHO pesticide evaluation (WHOPES) guidelines (2005) for laboratory and field testing of mosquito larvicides. Sep 06, 2017 · Larvicidal tests were carried out based on the WHO standardized procedures and guidelines for larvicidal test method . The initial screening was conducted using the selected plant extracts with different dosages ranging from 2 mg/ml to 100 mg/ml.

The larvicidal activity was observed for over 30 min. and death of the larvae confirmed the larvicidal activity. The experiment was checked daily for recording the biological effects of following criterias [19]. Larval mortality percent: was estimated by using the following equation: Larvicidal Activity of Medicinal Plant Extracts Against Culex Quinquefasciatus Say and Aedes Aegypti L. Mosquitoes (Diptera: Culicidae) The aim of the present study was to assess the larvicidal activity of medicinal plant extracts against Culex quinquefasciatus and …

The objective of the present study was to evaluate the larvicidal activity of silver nanoparticles synthesized from aqueous extracts of Hibiscus vitifolius Linn flowers against the larvae of Aedes aegypti. Stable silver nanoparticles were synthesized by biological reduction method. The parasite larvae were exposed to varying concentrations of aqueous extract of Hibiscus vitifolius flowers … BioAssay record AID 1101637 submitted by ChEMBL: Larvicidal activity against Drosophila melanogaster at 200 ppm relative to control.

Sep 10, 2012 · In order to assess the biological activity of each extract, all samples were subjected to stringent criteria to identify plants that exhibited larvicidal properties. Any plant with activity of more than 80% mortality was considered significant for further investigation . However, it must be borne in mind that assays were conducted primarily Background document for development of WHO Guidelines for Drinking-water Quality Currently, the larvicidal activity is expressed in terms of lethal doses (LD 50) or lethal concentrations (e.g. LC 50, LC 90) according to the bioassay method used. For example, when susceptible mosquito larvae are exposed to Bti ICP, they

protocol for larvicidal bioassay was used to determine the larvicidal activity of the crude and semi-crude extracts of both plants. The n-butanol extract of F. camarinensis had shown the lowest Lethal Concentration (LC 50) and LC 90 at 268.5 ppm and 281.4 ppm for 24 hours and 265.2 ppm and 278.6 ppm for 48 hours, respectively. The larvicidal assay was carried as per the W.H.O guidelines for larvicidal activity with minor modifications. Batches of approximately 25 third or fourth instar larvae were transferred by means of strainers, screen loops or droppers to small disposable test cups or vessels, each containing 100–200 ml

ports of the larvicidal activity of crude extract of Sida acuta against three important mosquitoes with LC 50 val-ues ranging between 38 and 48 mg/l7. The essential oil from the leaves of Clausena anisata exhibited signifi-cant larvicidal activity, with 24 h LC 50 values of 140.96, 130.19 and 119.59 ppm, respectively 8. The benzene, hex- Sep 10, 2012 · In order to assess the biological activity of each extract, all samples were subjected to stringent criteria to identify plants that exhibited larvicidal properties. Any plant with activity of more than 80% mortality was considered significant for further investigation . However, it must be borne in mind that assays were conducted primarily

The Penicillium sp. only revealed higher larvicidal activity when compared with the other fungi and hence it was selected for further larvicidal tests. Larvicidal Activity of Potential Fungus. The larvicidal effect of fungal MEAE prepared from Penicillium sp. has shown excellent activity against 1–4th instar larvae of the Ae. aegypti and the Mar 01, 2011 · The larvicidal activity of 11 Myrtaceae essential oils and their constituents was evaluated against Aedes aegypti L. Of the 11, Melaleuca linariifolia Sm., Melaleuca dissitiflora F. Muell., Melaleuca quinquenervia (Cav.) S. T. Blake, and Eucalyptus globulus Labill oils at 0.1 mg/ml exhibited ≥80% larval mortality.

Sep 10, 2012 · In order to assess the biological activity of each extract, all samples were subjected to stringent criteria to identify plants that exhibited larvicidal properties. Any plant with activity of more than 80% mortality was considered significant for further investigation . However, it must be borne in mind that assays were conducted primarily ports of the larvicidal activity of crude extract of Sida acuta against three important mosquitoes with LC 50 val-ues ranging between 38 and 48 mg/l7. The essential oil from the leaves of Clausena anisata exhibited signifi-cant larvicidal activity, with 24 h LC 50 values of 140.96, 130.19 and 119.59 ppm, respectively 8. The benzene, hex-