The negative impact of synthetic molluscicides on the environment and their high cost necessitated search for an alternative approach of using plant extracts for the control of schistosomiasis. Larvicidal and igr activity of extract of tanzanian plants against malaria vector mosquitoes charles kihampaa,d, cosam c. Association of antibiotics and plant extracts showed synergistic antibacterial activity against antibioticresistant bacteria. The methodology extract preparation, adaptation of the snails, activity test, destiny of the snails used for the evaluation of the molluscicidal activity of plant extracts in relation to snails. Molluscicidal and ovicidal activities of plant extracts of the piperaceae on biomphalaria glabrata say, 1818. Phytochemical screening and larvicidal activity of peel extracts of arachis hypogaea against chikungunya and malarial vectors. The results suggest that the investigated plant extracts are promising. The activity of crude plant extracts is often attributed to the complex mixture of active compounds. Pdf antibacterial activity of medicinal plant extracts.
Leaves of nine medicinal plant species with high antibacterial activity against escherichia coli were extracted with acetone and their minimal. Nematicidal activity of plant extracts against the rootknot nematode, meloidogyne incognita article pdf available in the open natural products journal 21 october 2009 with 2,550 reads. Larvicidal and antibacterial activities of different. Many such agents currently in use to treat bacterial and parasitic infections were first isolated from natural sources including ethnomedicinal plants coe. The study assessed the molluscicidal and piscicidal activities of castor plant ricinus communis using its fruit dried and fresh against large and small golden apple snails gas and mosquito fish. In the present study, the plant extracts exhibited the presence of larvicidal activity table 1 which was a dose dependent effect. Larvicidal activity of plant extracts used alone and in. Pdf molluscicidal activity of various solvent extracts. The high larvicidal activity of tinospora rumphii leaf is supported by the abundance of phytochemicals which show synergestic effects in terms of larvicidal action to mosquito larvae. Antibacterial activity of five medicinal plant extracts. Issn 23207078 larvicidal activity of lantana camara. Molluscicidal activity of various solvent extracts from solanum nigrum var.
Effect of monstera adansonii on 4th instar larvae of culex quinquefasciatus. Mosquito larvicidal activity of aqueous extracts of long. Phytochemical investigation and biological activity of. Baskaran abstract nematicidal activities of extracts from plants were assayed against meloidogyne incognita. Plant extracts in general have best recognized as an important natural resource of. Pdf molluscicidal activity of the aqueous extracts from.
The chemical examination follows after the isolation and biological screening of the active fraction1. Villosum l aerial parts against galba truncatula article pdf available in parasite 181. Larvicidal and igr activity of extract of tanzanian plants. The leaf extracts of romatic plants, murraya koenigii and azadirachta a. Extracts from a broad spectrum of plant species contain substances that possess antitumor activity 1.
Bioactivities of extracts and isolation of compounds from tridax procumbens l. Out of 6 plants tested for antimicrobial activity, 5 plant species showed antibacterial activity by inhibiting one or more microorganisms. All plant extracts used had shown antifungal activity against fusarium solani. Results of antimicrobial activity of the five plant extracts can suggested that s. One kilogram 1 kg each of the airdried plant leaves were ground into fine particles and extracted twice with 2. Repellency of aromatic medicinal plant extracts and a steam distillate to aedes aegypti youngcheol yang,t eunhae lee, hoiseon lee,3 dongkyu lee4 and youngjoon ahnr5 abstract the repellent activity of methanol extracts from 23. Larvicidal activity of selected plant extracts against the. Molluscicidal activity of the aqueous extracts from solanum mammosum l. Bioactive aqueous extracts of twelve yucatecan plants. Plant extracts as natural amoebicidal agents springerlink. One such alternative tactic is the use of plant extracts. Antimicrobial activity and phytochemical analysis of.
Mosquito larvicidal activity of aqueous extracts of long pepper piper retrofractum vahl from thailand uruyakorn chansang 1, nayer s. Full text of molluscicidal activity of the methanol. Harrisonia abyssinica root water extracts had the highest molluscicidal activity, similar to the positive. Plant extracts appear to be one of the most effective alternative methods of plant diseases control which are less harmful to human beings and environment. The molluuscicidal activity of the leaves extracts against the snails was assessed to determine the toxicity. The plan of this work was to study the larvicidal activity of cassia occidentalis linn. More than plant species have been screened for molluscicidal activity 5. Increasingly, natural products have potential for the treatment of cancer. Culicidae samuel tennyson1, k john ravindran2, s arivoli3 1department of zoology, madras christian college, 600 059, tamilnadu, india 2national institute of malaria research icmr, field unit chennai, national institute of epidemiology campus, chennai 600.
These three plant extracts are recommended to be used as molluscicidal agents. Evaluation of some plant extracts for their nematicidal properties against rootknot nematode, meloidogyne incognita m. Zahiri 2, jaree bansiddhi 3, thidarat boonruad 3, pratom thongsrirak 3, jiranuch mingmuang3, nipa benjapong1, and mir s. Antibacterial activity of plant extracts and phytochemicals on. The molluscicidal activities of many plant extracts have been carried out such as damsissa. The focus of this research is the evaluation of the nematicidal activity of water extracts from pokeweed phytolacca americana. Extraction was carried out for about 6 h for methanol 80% using.
Pdf screening of asteraceae compositae plant extracts. New drugs from plant secondary metabolites are being developed and studied for their antibacterial and anticancer activities 5. Mosquitoes larvicidal activity of leaf extract of neem azadirachta indica. Screening of antibacterial activity of the medicinal plant.
These results show that the aqueous extracts of five native plants of. Chapter 5 the antibacterial activity of different extracts. The cultures were subcultured and determined by agar well diffusion method was showed. They transmit the parasites and pathogens which cause a deadly disease like filariasis, dengue, yellow fever, malaria, japanese encephalitis, chikungunya, and so forth, which are. Juss were evaluated for their growth, adult mortality and oviposition inhibition of c. In recent years, use of environment friendly and biodegradable natural insecticides of plant origin have received renewed attention as agents for vector control because they are rich in bioactive chemicals, active against a limited number of species including specific target insects, and biodegradable. S1 document heading screening of twenty five plant extracts for larvicidal activity against culex quinquefasciatus say diptera. Biological screening of various medicinal plant extracts. Whole plant extracts versus single compounds for the.
Medicinal plants are considered new resources for producing agents that could act as alternatives to antibiotics in the treatment of antibioticresistant bacteria. In the preliminary screening, potential larvicidal activity of plants, different solvents crude extracts of three plants was noted table ii, fig. The present work was planned to study the effect of subl. The aim of this study was to evaluate the antibacterial activity of 28 plant extracts and. Evaluation of some plant extracts for their nematicidal. Comparing the lc95 values of the water extracts of the three plants against adult snails, showed high activity for calotropis procera plant 1100ppm, followed by nicotiana tabacum plant 86ppm, as well as trigonella foenum plant 2085ppm. The antibacterial activities of ethanol, hexane and chloroform extracts of stem and leaf, solanum nigrum were screened against various pathogenic bacteria by. Molluscicidal activity of some solanum species extracts. Pdf nematicidal activity of plant extracts against the.
Antibacterial activity of medicinal plant extracts article pdf available in brazilian journal of microbiology 384. Phytochemical screening and larvicidal activity of peel. Only the whole plant extracts were available in sufficient quantity for the determination of ld50 and ld90 values. Extracts and fractions on biomphalaria tenagophila dorbigny, 1835 under.
Pdf molluscicidal and ovicidal activities of plant. The present study was carried out to evaluate the adulticidal, repellent, and larvicidal. Evaluation of antibacterial activity of some medicinal plants extracts. The results revealed that the extracts of the two plant species caused a considerable reduction in the number of weevils. Pdf molluscicidal and piscicidal activities of extracts. Antioxidant, antihypertensive, antihyperglycemic, and. Ten dif ferent plants were collected from in and around sivakasi area.
There is evidence that crude plant extracts often have greater in vitro orand in vivo antiplasmodial activity than isolated constituents at an equivalent dose. Toxicity analysis of different medicinal plant extracts in swiss albino mice rajalakshmi. The in vitro inhibition of genotoxicity by plant extracts. In vitro antibacterial activity of several plant extracts. Introduction the most widely and frequently used chemotherapeutic agents are antibiotics. Phytochemical screening and biological activity of. In traditional medicine whole plants or mixtures of plants are used rather than isolated compounds. It has been reported that ethanolic extracts of ivorian plants extracted higher. The plant extracts showed zone of inhibition ranging from 06. The results of antimicrobial activity showed that water and ethanol crude extracts were active on all the strains of pathogens tested at different concentrations, with ethanol extracts exerting more activity. Screening of antibacterial activity of the medicinal plant phyllanthus amarus. Molluscicidal effects of aqueous extracts of selected medicinal plants from makueni county, kenya. Antibacterial activity of plant extracts 249 culture media, antibiotics and phytochemical solutions brain heart infusion as liquid and solid media and muellerhinton agar were used. Toxicity analysis of different medicinal plant extracts in.
Methanol extracts of the plant was obtained by taking 50g of dried leaf and flower. In vitro antifungal activity of methanolic extracts of three promising wild geophytic plants against three postharvest pathogenic fungi using radial growth technique was conducted. Bioactivities of extracts and isolation of compounds from. Specific weight of each sample about 50 g of the powdered sample was successively extracted with methanol 80% using soxhlet extractor apparatus. In vitro antifungal activity of three geophytic plant. This indicates the molluscicidal activity of the titled plant. An increased inhibitory effect of the mycelial growth was observed with the increase in concentration from 10 to 50%. Effect of some plant extracts on larval mortality against the stem nematode ditylenchusdipsaci and compared with synthetic pesticides.
The antibacterial activity of extracts of nine plant species with good. Antibacterial activity of five medicinal plant extracts against some human bacteria shahla sahraei 1, zaynab mohkami 2, farhad golshani 1, fereshteh javadian 1, saeide saeidi 3 and gelareh sohil baigi 4 1zabol medicinal plant research center, zabol university of medical sciences, zabol, iran. Samples of plant extracts correspond to 100 mg of dried materialpia te. Review cytotoxic studies of plant extracts cytotoxicity of plant extracts on both plant and animal test material is capturing scientific interest, as it can indicate their antitumor and anticarcinogenic potentials, which have always been a gateway for the development of novel anticancer drugs. Insecticidal and larvicidal activities of medicinal plant. All the extracts showed activity against the late iii andor early iv instar an. The antibacterial activity of different extracts of selected south african plant species 5.
Screening of twenty five plant extracts for larvicidal. Thesis submitted in fulfilment of the requirements for the degree of. The aim of our study was to examine the amoebicidal or amoebistatic activity of plant extracts from rubus chamaemorus, pueraria lobata, solidago virgaurea and solidago graminifolia. Department of chemistry, college of natural sciences, can tho university. Issn larvicidal activity of monstera adansonii plant. Antimicrobial activity of some plant extracts against. Complete death of snails was observed after the third day with the extracts of bark and leaves at concentrations 20 and 40 ppm, while a concentration 10 ppm afforded 66. Larvicidal activity of medicinal plant extracts against. The following antibiotic solutions were prepared prior incorporation into the liquid medium. Antifungal activity of some plant extracts against guava.
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