Guide for authors fitoterapia issn 0367326x elsevier. In the present study, the ovicidal effect of twenty five plants screened against spodoptera litura at 0. Ovicidal activity of plant extracts is important to control the pest at egg stage itself thereby preventing the damage caused by other stages 25. Evaluation of select plant extracts as potential food. Biological activity of some plant extracts against pieris brassicae linn. The plan of this work was to study the larvicidal activity of cassia occidentalis linn. Antibacterial activity of plant extracts and phytochemicals on. An aqueous extract of this plant has been reported to possess larvicidal sathiamoorphy et al. Several plant extracts obtained with solvents of different polarity were tested for each species by a range of bioassays using the stored grain pest tribolium castaneum herbst. Effect of monstera adansonii on 4th instar larvae of culex quinquefasciatus. Many plant extracts and essential oils have been screened for their nematicidal activity against the plantparasitic nematodes814. The molluuscicidal activity of the leaves extracts against the snails was assessed to determine the toxicity. As science college, congress nagar, nagpur440012, maharashtra doi. Antioxidant, antihypertensive, antihyperglycemic, and.
Euphorbia fischeriana steud is a perennial herbaceous plant with latex, distributed mainly in north china 15. Research has so far provided strong evidence that plant cystatins. Fractionation of the crude extract from poke weed and mushroom is underway to identify and isolate the active compounds in various crude extracts. 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. Larvicidal activity of selected plant extracts against the dengue vector aedes aegypti mosquito pedro m. These three plant extracts are recommended to be used as molluscicidal agents. Characterization of the molluscicidal activity of bauhinia variegata and mimusops elengi plant extracts against the fasciola vector lymnaea acuminata. Full text of molluscicidal activity of the methanol. Baskaran abstract nematicidal activities of extracts from plants were assayed against meloidogyne incognita. Molluscicidal activity of some solanum species extracts. Anurag sharma and rakesh gupta abstract in the present study, aqueous extract of eight plants, namely azadirachta indica a. After airdrying,the bait and a cup of water 5 ml were placed in a. 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.
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. Antimicrobial activity and phytochemical analysis of. Aquatic plant extracts agricultural marketing service. Various concentrations of aqueous leaf extract of lantana camara were assessed in vitro conditions against second stage juveniles j 2 of meloidogyne incognita. Over 40,000 species of tropical flowering plants are said to possess medicinal properties idu et al. Evaluation of some plant extracts for their nematicidal. A comparison between the plant extracts treated dna bands and the positive and negative control.
Antiproliferative activity of some medicinal plants on human breast. Antifeedant activity of plant extracts to an insect helopeltis theivora a. Due to an increasing demand for chemical diversity in screening programs, seeking therapeutic drugs from natural products, interest particularly in edible plants has grown throughout the world. Antimicrobial activity was tested using a modified disc diffusion assay dda method originally described by bauer 1966 and ncube et al 2008. In plants, cystatins are natural and specific inhibitors of cysteine proteases of the papain c1a family that generally block c1a proteases by a tight and reversible interaction. The standard concentration s of leaf extract was found to be highly nematostatic, where nematodes were completely paralyzed after 12 h and after 48 h of exposure, 96% of juveniles were killed at same concentration.
Several cystatin functions have been proposed, but all involve a balanced interplay with a cysteine protease to regulate proteolytic activity. Ten dif ferent plants were collected from in and around sivakasi area. The present study was carried out to evaluate the adulticidal, repellent, and larvicidal. Larvicidal activity of plant extracts on aedes aegypti l. Larvicidal efficacy of plant extracts against the malarial. The repellent activity of methanol extracts from 23 aromatic medicinal plant species and a steam distilfate against starved ae. Issn larvicidal activity of monstera adansonii plant.
The aim of this study was to identify plant extracts with proven. Phytochemical screening and larvicidal activity of peel extracts of arachis hypogaea against chikungunya and malarial vectors. All plant extracts showed moderate effects after 24 h of exposure. Thus, the present study aims to assess the antibacterial activity of several methanol. Evaluation of some plant extracts for their nematicidal properties against rootknot nematode, meloidogyne incognita m. Identification of traditional medicinal plant extracts. Novel analgesic drugs article pdf available in expert opinion on emerging drugs 62. Ovicidal activity of plant extracts against litura.
Methanolic extracts of priority medicinal plants that were tested invitro against helminthiasis ascaris suum and bacterial related infections showed the following results. Larvicidal activity of medicinal plant extracts against. Anopheles stephensi liston diptera is the primary vector of malaria in india and other west asian countries and improved methods of control are urgently needed. Natural products from medicinal plants, either as pure compounds or as standardized extracts, provide unlimited opportunities for new drug leads because of the unmatched availability of chemical diversity. Phytochemical investigation and biological activity of. The focus of this research is the evaluation of the nematicidal activity of water extracts from pokeweed phytolacca americana. The in vitro inhibition of genotoxicity by plant extracts. Aqueous, saline buffer and acid extracts of different plant species were screened in vitro for their antifungal activity against alternaria spp. Plantbased products, namely essential oils eos, are environmentally friendly alternatives for the control of disease vectors, hosts andor parasites.
Characterization of the molluscicidal activity of bauhinia. Pdf nematicidal activity of plant extracts against the. The direct antiviral activity of all the herbs showed antiviral activity against ihnv and omv reducing plaques by 65100% and 21100%, respectively. Larvicidal activity of some medicinal plant extracts. Aquatic plant extracts contain carbohydrates such as alginic acid and 117 mannitol, which enable plants to better absorb nutrients from the soil. Among the four tested medicinal plant extracts, against a. Antiinsect activity of plant extracts from the wild flora. Extraction was carried out for about 6 h for methanol 80% using. These results show that the aqueous extracts of five native plants of the. Larvicidal activity of plant extracts used alone and in. In the present study, the plant extracts exhibited the presence of larvicidal activity table 1 which was a dose dependent effect. From the stock solution, concentrations activity are methanolic stem extracts of satureja hortensis.
Larvicidal, molluscicidal and nematicidal activities of. Nematicidal activity of plant extracts the open natu ral products jou rnal, 2009, vol ume 2 79 tive nematodes passed through the filte r and sank to the bot tom of the funnel stem. The chemical examination follows after the isolation and biological screening of the active fraction1. You may choose to submit your manuscript as a single word or pdf file to be used in the. One such alternative tactic is the use of plant extracts. One kilogram 1 kg each of the airdried plant leaves were ground into fine particles and extracted twice with 2.
Bioassay for the larvicidal activity for their larvicidal activity against different species of was carried out using who procedure with slight mosquitoes 12, 1921. It was for this reason that methanol leaf extracts of 120 plant species from the existing plant material collection of tree leaves in the phytomedicine programme of the university of pretoria were assayed for qualitative antioxidant activity. Here, we report the results of the antiinsect activity found in a group of 57 species belonging to 21 families harvested from the wild in southeastern spain. Specific weight of each sample about 50 g of the powdered sample was successively extracted with methanol 80% using soxhlet extractor apparatus. Insecticidal and larvicidal activities of medicinal plant. Antifeedant activity of plant extracts to an insect.
Evaluation of nematicidal activity of ethanol extracts of. Hence the objective of the present study was to evaluate the larvicidal activity of plant extracts and to evaluate the formulation prepared using basic raw materials. Mosquitoes are vectors of etiologic agents of malaria, filariasis and viral disease. Pdf of full length paper is available online introduction tea is a gift of. Plant extracts were dissolved in 20% dmso treated water. Extraction, isolation and characterization of bioactive. Phytochemical screening and evaluation of genotoxicity and.
Issn 23207078 larvicidal activity of lantana camara. Identification of targets and mechanism of activity of plant extracts 5. Plant derived products have received increased attention from scientists and more than 2000 plant species are already known to have insecticide properties 6,7,8,9. Among the tested extracts, the methanol extract of b. The inoculums for each microorganism were prepared from broth cultures 105 cfuml. The use of plants, plant extracts or plantderived chemicals to treat diseases is a thera peutic modality that has been explored for centuries. Plant phenolic extracts as an effective strategy to control. All these plant extracts were made free from solvent by steam distillation, concentrated by evaporation and were used for the larvicidal testing by standard procedure5. Larvicidal activity of selected plant extracts against the.
The emergence of drug resistant variants of the influenza virus has led to a need to identify novel and effective antiviral agents. It has been used for the detection of fungal toxins, plant extract toxicity. In the present investigation the effect of certain plants on the larval mortality, biology and biochemical parameters of anopheles stephensi were. Evaluation of antioxidant and cytotoxic properties of. Antioxidant activity and cytotoxicity of the leaf and bark extracts of. Nematicidal activity of leaf extracts from lantana camara.
Here, we studied the general toxicity and biopesticidal potential of eos and phenylpropanoids from foeniculum vulgare var. The shrimp lethality assay was proposed by michael and coworkers in 1956, and later developed by vanhaecker and his group in 1981. Phytochemical screening and larvicidal activity of peel. This indicates the molluscicidal activity of the titled plant. Genotoxicity, cytotoxicity and toxicological evaluation of. Phytochemical screening and evaluation of genotoxicity and acute toxicity of aqueous extract of croton tiglium l. Investigations on antibacterial activity of leaf extracts. A novel therapy for shelf life extension and quality retention of fruits pranita a.
Among the plants screened, the methanolic extract of e. Evaluation of antibacterial activity of some medicinal plants extracts. Thus the present study showed that all the five organic solvent extracts obtained from h. Biological activity of some plant extracts against pieris. Molluscicidal activity of hammada scoparia pomel iljin. The plant extracts showed zone of inhibition ranging from 06. As an alternative to synthetic drugs, the consolidation of empirical knowledge with ethnopharmacological evidence of medicinal plants offers a novel platform for the development of antiviral drugs. Plant extracts in general have best recognized as an important natural resource of. Almost 98% of the extracts 117 had well defined antioxidant compounds. Debnath department of pharmaceutical sciences, dibrugarh university, dibrugarh 786 004, india.
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