The plan of this work was to study the larvicidal activity of cassia occidentalis linn. Issn 23207078 larvicidal activity of lantana camara. The in vitro inhibition of genotoxicity by plant extracts. The antibacterial activity of different extracts of selected south african plant species 5. The present work was planned to study the effect of subl.
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. 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. Bioactivities of extracts and isolation of compounds from. The molluscicidal activities of many plant extracts have been carried out such as damsissa. The cultures were subcultured and determined by agar well diffusion method was showed. The results revealed that the extracts of the two plant species caused a considerable reduction in the number of weevils. There is evidence that crude plant extracts often have greater in vitro orand in vivo antiplasmodial activity than isolated constituents at an equivalent dose. 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. Increasingly, natural products have potential for the treatment of cancer. Department of chemistry, college of natural sciences, can tho university.
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. Baskaran abstract nematicidal activities of extracts from plants were assayed against meloidogyne incognita. Samples of plant extracts correspond to 100 mg of dried materialpia te. Evaluation of some plant extracts for their nematicidal. Only the whole plant extracts were available in sufficient quantity for the determination of ld50 and ld90 values. One such alternative tactic is the use of plant extracts.
The results suggest that the investigated plant extracts are promising. Results of antimicrobial activity of the five plant extracts can suggested that s. Plant extracts with biofilm inhibitory activity biofilms are the default modeoflife for many bacterial species and biofilmbased infections cause harm to millions of humans annually. In vitro antifungal activity of three geophytic plant. Mosquitoes larvicidal activity of leaf extract of neem azadirachta indica. Antibacterial activity of plant extracts and phytochemicals on. 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. The focus of this research is the evaluation of the nematicidal activity of water extracts from pokeweed phytolacca americana. In traditional medicine whole plants or mixtures of plants are used rather than isolated compounds. Antifungal activity of some plant extracts against guava. 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. Larvicidal activity of medicinal plant extracts against. Extraction was carried out for about 6 h for methanol 80% using.
Pdf molluscicidal activity of various solvent extracts. This indicates the molluscicidal activity of the titled plant. Screening of twenty five plant extracts for larvicidal. Pdf molluscicidal and ovicidal activities of plant. Zahiri 2, jaree bansiddhi 3, thidarat boonruad 3, pratom thongsrirak 3, jiranuch mingmuang3, nipa benjapong1, and mir s. The leaf extracts of romatic plants, murraya koenigii and azadirachta a.
Molluscicidal activity of the aqueous extracts from solanum mammosum l. Pdf molluscicidal activity of the aqueous extracts from. Toxicity analysis of different medicinal plant extracts in. Effect of monstera adansonii on 4th instar larvae of culex quinquefasciatus. Evaluation of antibacterial activity of some medicinal plants extracts. All the extracts showed activity against the late iii andor early iv instar an. In vitro antifungal activity of methanolic extracts of three promising wild geophytic plants against three postharvest pathogenic fungi using radial growth technique was conducted. Larvicidal activity of selected plant extracts against the. Molluscicidal and ovicidal activities of plant extracts of the piperaceae on biomphalaria glabrata say, 1818. Issn larvicidal activity of monstera adansonii plant. Introduction the most widely and frequently used chemotherapeutic agents are antibiotics. Specific weight of each sample about 50 g of the powdered sample was successively extracted with methanol 80% using soxhlet extractor apparatus. Antimicrobial activity and phytochemical analysis of.
Biological screening of various medicinal plant extracts. Phytochemical screening and larvicidal activity of peel extracts of arachis hypogaea against chikungunya and malarial vectors. Screening of antibacterial activity of the medicinal plant phyllanthus amarus. Bioactivities of extracts and isolation of compounds from tridax procumbens l. Harrisonia abyssinica root water extracts had the highest molluscicidal activity, similar to the positive. Antioxidant, antihypertensive, antihyperglycemic, and. 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. More than plant species have been screened for molluscicidal activity 5. The molluuscicidal activity of the leaves extracts against the snails was assessed to determine the toxicity.
Molluscicidal effects of aqueous extracts of selected medicinal plants from makueni county, kenya. The activity of crude plant extracts is often attributed to the complex mixture of active compounds. 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. Antibacterial activity of five medicinal plant extracts. All plant extracts used had shown antifungal activity against fusarium solani. In the present study, the plant extracts exhibited the presence of larvicidal activity table 1 which was a dose dependent effect. Whole plant extracts versus single compounds for the.
Many such agents currently in use to treat bacterial and parasitic infections were first isolated from natural sources including ethnomedicinal plants coe. Pdf screening of asteraceae compositae plant extracts. Villosum l aerial parts against galba truncatula article pdf available in parasite 181. In the preliminary screening, potential larvicidal activity of plants, different solvents crude extracts of three plants was noted table ii, fig. Bioactive aqueous extracts of twelve yucatecan plants. Ten dif ferent plants were collected from in and around sivakasi area. Out of 6 plants tested for antimicrobial activity, 5 plant species showed antibacterial activity by inhibiting one or more microorganisms. 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. The antibacterial activities of ethanol, hexane and chloroform extracts of stem and leaf, solanum nigrum were screened against various pathogenic bacteria by. Larvicidal and igr activity of extract of tanzanian plants against malaria vector mosquitoes charles kihampaa,d, cosam c. 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.
Screening of antibacterial activity of the medicinal plant. Plant extracts as natural amoebicidal agents springerlink. Mosquito larvicidal activity of aqueous extracts of long pepper piper retrofractum vahl from thailand uruyakorn chansang 1, nayer s. Phytochemical screening and larvicidal activity of peel. Antimicrobial activity of some plant extracts against. S1 document heading screening of twenty five plant extracts for larvicidal activity against culex quinquefasciatus say diptera. Mosquito larvicidal activity of aqueous extracts of long. Pdf antibacterial activity of medicinal plant extracts. Phytochemical screening and biological activity of.
The aim of this study was to evaluate the antibacterial activity of 28 plant extracts and. Evaluation of some plant extracts for their nematicidal properties against rootknot nematode, meloidogyne incognita m. The chemical examination follows after the isolation and biological screening of the active fraction1. Methanol extracts of the plant was obtained by taking 50g of dried leaf and flower. Pdf nematicidal activity of plant extracts against the. Molluscicidal activity of some solanum species extracts.
Extracts and fractions on biomphalaria tenagophila dorbigny, 1835 under. Full text of molluscicidal activity of the methanol. 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. Antibacterial activity of medicinal plant extracts article pdf available in brazilian journal of microbiology 384. The antibacterial activity of extracts of nine plant species with good. Molluscicidal activity of various solvent extracts from solanum nigrum var.
In vitro antibacterial activity of several plant extracts. These three plant extracts are recommended to be used as molluscicidal agents. Insecticidal and larvicidal activities of medicinal plant. The present study was carried out to evaluate the adulticidal, repellent, and larvicidal. 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. Larvicidal activity of plant extracts used alone and in. Thesis submitted in fulfilment of the requirements for the degree of. Chapter 5 the antibacterial activity of different extracts. 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.
Larvicidal and igr activity of extract of tanzanian plants. Leaves of nine medicinal plant species with high antibacterial activity against escherichia coli were extracted with acetone and their minimal. Pdf molluscicidal and piscicidal activities of extracts. Toxicity analysis of different medicinal plant extracts in swiss albino mice rajalakshmi. 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. It has been reported that ethanolic extracts of ivorian plants extracted higher. Juss were evaluated for their growth, adult mortality and oviposition inhibition of c. Medicinal plants are considered new resources for producing agents that could act as alternatives to antibiotics in the treatment of antibioticresistant bacteria. 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.
Phytochemical investigation and biological activity of. These results show that the aqueous extracts of five native plants of. Plant extracts in general have best recognized as an important natural resource of. The plant extracts showed zone of inhibition ranging from 06. 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 and antibacterial activities of different. Extracts from a broad spectrum of plant species contain substances that possess antitumor activity 1. One kilogram 1 kg each of the airdried plant leaves were ground into fine particles and extracted twice with 2. New drugs from plant secondary metabolites are being developed and studied for their antibacterial and anticancer activities 5.
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