However, the guava leaf extracts showed minimum activity against the fungal pathogens investigated in the present study. Evaluation of antibacterial activity of different parts of. Phytochemical analysis and antibacterial activity of. Antibacterial activity of resin rich plant extracts. Antibacterial and phytochemical studies on twelve species of. Antibacterial activity of azadirachta indica neem leaf. In vitro antibacterial activity of some plant essential. A study of antimicrobial activity of few medicinal herbs. Pdf antimicrobial activity of medicinal plant leaf. Boiled water extracts of guava leaf showed the largest zone of inhibition 22 mm against v. Interestingly, the samples processed at 200 c for 12 h had the largest size of those examined and they provided effective growth inhibition of the pathogens. Antibacterial activity is the most common type of antimicrobial activity reported for the acridone alkaloids, although a few cases of antifungal or antiviral activity have been reported. Antibacterial activity of plant volatile oils theantibacterialactivitiesoftheplantvolatileoilspresented in table1 are in general agreement with previously reported studies on the volatile oils of p.
Deans aromatic and medicinal plant group, scottish agricultural college, auchincruive, south ayrshire, uk 7288799. Antimicrobial activity of selected medicinal plants against. The results obtained with pseudomonas aeruginosa was particularly interesting, since it was inhibited by clove, jambolan, pomegranate and thyme extracts. The antibacterial activity of the top 50 african medicinal plants is presented in table 16. The plant is considered to be antispasmodic and antidysenteric. The result indicates that the leaf and flower of this plant part showed a broad spectrum of antibacterial activity. Antibacterial activity of azadirachta indica neem leaf extract against bacterial pathogens in sudan hala a. Antibacterial and antifungal activities of plant part extracts against four pathogenic bacteria two grampositive and negative and three pathogenic fungi were investigated by the agar disk diffusion method. The antibacterial effect of some medicinal plant extracts and. Such results were different from data reported in literature. Green synthesis of silver nanoparticles in aloe vera plant. Antibacterial activity of medicinal plants used against uti. Further researches are needed to find new clinically effective antibacterial compound from the plant.
It has been reported that the antimicrobial activity depends mainly of chemical. Plant extracts are potential sources of antimicrobial. Antibacterial and phytochemical studies on twelve species. Evaluation of antimicrobial activity of different solvent. The antibacterial activities of the plant volatile oils presented in table 1 are in general agreement with previously reported studies on the volatile oils of p. Faculty of medical laboratory sciences, al neelain university, khartoum, sudan. Scientific name and local name traditional claims part of plant used in the study 1 andrographis paniculata leaves, hempedu the entire plant is claimed to be an antipyretic, water extract bumi an antiperiodic, an antiinflammatory, an anti. Antibacterial and antifungal activities from leaf extracts of. Natural resins are known for their antiseptic and antibacterial effects since from ancient history of human civilization. Research article open access antibacterial activity of. Antibacterial activity in vitro of medicinal plants wardah shahid 1, rabia durrani 2, saira iram2, maryam durrani 3, fawad ali khan 4 1plant taxonomy lab, department of plant sciences, faculty of biological sciences, quaidiazam university, 45320, 00925190643194, islamabad, pakistan. Antibacterial activity of methanolic extract of cycas revoluta.
On the other hand, some mechanisms from antibacterial activity of essential oils have been determined. Pdf antibacterial activity of the plant extract of. Chemovariation and antibacterial activity of extracts and. Wed like to understand how you use our websites in order to improve them. Indeed, of the twenty five plant species tested only 3 species had no inhibitory activity towards any of the bacteria tested in any of their. Antibacterial activity of leaf extracts of aloe vera ocimum. However, the nature of the reported data is very variable. Tagetes erecta, antibacterial activity, disc diffusion method. The activity of crude essential oils against the three bacteria isolates was within the extremely sensitive category diameters of the inhibition zone larger than 20 mm after 24 and 48 hours of incubation table 1. In vitro antioxidant and antibacterial activity of plant. Antibacterial activity of tagetes minuta essential oils. Therefore, the main goals of this study were to determine the antibacterial activities of lipophilic extracts from plants of some ixora and greenea.
Antibacterial activity of the plant extract of symphytum officinale l. Although some extracts exhibited a good antibacterial activity towards different tested bacterial isolates, many plant extracts exhibited a limited antibacterial activity against the test bacterial isolates as judged by their mic values. Medicinal plants tested for antibacterial activity using disc diffusion method no. Antibacterial activity of medicinal plants used against. Pdf antibacterial and antifungal activity of plant extracts. Results antibacterial activity three kinds of crude extracts viz. The selected essential oils were screened against four gramnegative bacteria escherichia coli, klebsiella pneumoniae, pseudomonas aeruginosa, proteus vulgaris and two grampositive bacteria bacillus subtilis and staphylococcus aureus at four different concentrations 1. The main objective of the study is to screen the antibacterial activity of pepper piper nigrum l. Recent work revealed the potential of several herbs as sources of drugs iwu, 2002. Chloroform, butanol, ethyl acetate and nhexane extracts of these plants were used for antimicrobial screening. Thus, a varied range of natural products of plant, fungi and lichen origin were tested against two bacterial species, staphylococcus aureus atcc 25923 and escherichia coli atcc 25922, by. To evaluate the antibacterial activity of 21 plant essential oils against six bacterial species.
Alkaloids, phenols, flavonoids, saponins, tannins, and terpenoids were found in one or more of the plant extracts, and all the plant extracts demonstrated scavenging power against. Most authors report minimum inhibitory concentrations mic, in. The antibacterial activity of extracts of nine plant species with good. It is therefore expedient that such details be recorded when. Our results revealed that chloroform, butanol, ethyl acetate extract of a. Several plant extracts have been reported to have multiple biological activities such as anti. The screening of plant extracts and plant products for antimicrobial activity has shown that higher plants represent a potential. In vitro antibacterial activity of some plant essential oils.
The antimicrobial compounds produced by plants are active against plant and human pathogenic microorganisms. Antimicrobial activity of the extracts was determined by disc diffusion assays. Garcinia livingstonei and sclerocarya birrea barks showed good activity against all the test organisms, with mics between 0. Although the majority of these plants are used traditionally for treating infectionrelated ailments, some plant species such as g. A study on antibacterial activity of mangrove plant. Antibacterial activity of plant extracts 247 brazilian journal of microbiology 2000 31. Antimicrobial activity of medicinal plant extracts and. Antibacterial activity of plant defensins against alfalfa. The worldwide increase of multidrug resistance in both community and healthcare associated bacterial infections has impaired the current antimicrobial therapy, warranting the search for other alternatives.
In vitro studies demonstrated strong antibacterial activity of tagetes minuta essential oils against the three test plant pathogenic bacteria, namely, pseudomonas savastanoi pv. Research article open access antibacterial activity of some selected medicinal plants of pakistan yamin bibi1, sobia nisa1, fayyaz m chaudhary1 and muhammad zia2 abstract background. The extract of three medicinal plants used in nigerian folk medicine showed a highly antibacterial activity against some food borne pathogens. Research article open access antibacterial activity of some. This plant contains a higher number of biotically active components. The isomeric alcohol shows a drop in activity from primary, secondary to tertiary. Thus, a varied range of natural products of plant, fungi and lichen origin were tested against two bacterial species, staphylococcus aureus atcc 25923 and escherichia coli atcc 25922, by two variants of the agar diffusion. Biochemistry graduates to have results from their final. Pdf antibacterial activity of medicinal plant extracts. The measured diameter for the restriction area for the growth of bacteria in b. It is the most widely recognized herbal remedy which helps to stimulate the bodys immune. The antibacterial effect of plantbased essential oils. Conclusion hundreds of plant species have been tested for. The plant has been shown to exhibit antibacterial antiinflammatory 24.
Antimicrobial activities of alcoholic extracts of neem leaves were used. Varying concentration of each extracts 200mgml, 150 mgml, 100mgml. Antibacterial activity of the biosynthesized ag nps is shown in fig. Antibacterial activity of medicinal plant extracts article pdf available in brazilian journal of microbiology 384. The antibacterial activity of extracts of nine plant. Nevertheless, antibacterial investigation of african medicinal plants needs to be taken beyond the preliminary screening for benefits in drug development. However, their antibacterial activity has been less well characterized.
Antimicrobial activity in leaf extract of neem azadirachta indica against human pathogenic bacteria. This study investigated the antibacterial activity of three plant extracts, phellodendron bark pb, yucca, and black ginger, and found that pb had a stronger effect than the other extracts. Antibacterial and antifungal activity of plant extracts article pdf available in rocznik ochrona srodowiska 171. Antibacterial activity of five medicinal plant extracts. Chemical composition and antibacterial activity of.
Green synthesis of silver nanoparticles using the plant. Aureus indicating different zones of inhibition table 1. The antibacterial activity of both extracts of the 16 plant latexes againsts. Pods and tender leaves are reported to treat diarrhoea. Biochemistry graduates to have results from their final year. The bacterial suspensions were adjusted with sterile saline to a concentration of 1. The highest antibacterial activity of crude eos was observed in p. 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. In vitro antimicrobial activity of some medicinal plants. Pdf the resistance of pathogenic bacterial strains to antibiotics is the major burning issue around the world. The development of antibiotic resistant bacteria stems from a number of factors, including inappropriate use of antibiotics in human and animal health and their prolonged use as growth promoters at subclinical doses in poultry and livestock production.
Evaluation of antibacterial activity of some traditionally. Rebeccas data presence of a halo shows that the oil inhibits the growth of the bacteria. We aimed to find the in vitro antibacterial activity of ethanolic extracts of 16 different traditionally used medicinal plants of nepal against clinical and 2 reference bacterial. The oil has antibacterial activity particularly, bacillus subtilis. Deans, journaljournal of applied microbiology, year2000, volume88 2, pages 308. Grapeseed sage lemon balm neem pine grapeseed grapeseed grapeseed tea tree emmas data aiyshas data.
Antimicrobial activity of some plant extracts against bacterial strains. Antibacterial activity in vitro of medicinal plants. The use of plant extracts with known antimicrobial properties, can be of great significance in therapeutic treatments. The main objective of the study was to find the antibacterial activity of plant adhatoda vasica, aegle marmelos, aristolochia bracteolata, cardiospermum halicacabum, cordia myxa, eclipta alba, mukia maderaspatuna, ocimum basilicum, plectranthus ambionicus and solanum the antibacterial activity was determined by the agar well. Pdf antibacterial activity of some plant extracts researchgate. The in vitro and in planta antifungal activity of plant defensins has been extensively studied. Resins are complex mixtures of resin acids, resin alcohols, resin phenols, and their esters. Antibacterial activity of selected plant extracts on methicillin resistant staphylococcus aureus. Twenty nine of the thirty nine extracts tested 72% showed antibacterial activity against one or more bacteria.
The evaluation of antibacterial activity for different extracts of each plant was carried out using the disc diffusion method and determination of minimum. Some promising plants having antimicrobial activity against multidrug resistant strains. Antibacterial activity of phellodendron bark against. Antibacterial activity of plants 719 effective extracts are considered, e. In vitro screening of five local medicinal plants for. Antibacterial and antioxidant activity of plant latex. Search for new antibacterial agents should be continued by screening many plant families. Pdf antibacterial activity of important medicinal plants on human. Antibacterial and antifungal activities from leaf extracts. Factors such as season and location of plant collection are known to affect antibacterial activity of plant extracts 99,101.
Pdf antibacterial activity of selected antibacterial. Evaluation of antibacterial activity of some medicinal plants extracts. Chemical composition and antibacterial activity of essential. The antibacterial value of straight chain alcohols increases with an increase in the molecular weight and beyond c8 the activity begins to fall off. Antibacterial activity of leaf extracts of aloe vera. The antibacterial activity of the synthesized agnps might be due to the silver ion release and the resulting genotoxic activity of aloe vera on e. Sterilized filter paper discs whatman, 6 mm in diameter were placed on the surface of the solidified media soaked with 20 l of a solution of each plant extracts. Leaves contain 7glucosid luteolin, while fruits contain etheral oils and vegetable oils alefirov, 1998. Antibacterial activity of the extracts was evaluated by using paper disc agar diffusion method.
The antibacterial activity of extracts of nine plant species. The paper disc diffusion method 4 was used to screen the antibacterial activity of plant extracts and performed by using mueller hinton agar ha. We were interested in investigating plants that could be useful in protecting humans or animals against diarrhoea. The antibacterial effect of some medicinal plant extracts. Antibacterial activity of plant extracts was measured by agar well diffusion method. Screening of the ethnobotenical plants is a prerequisite to evaluate their therapeutic potential and it can lead to the isolation of new bioactive compounds. Plant nametype of extract susceptible microorganism reference garcinia mangostana alpha. However, fewer reports are available regarding resins and resin containing plants for antibacterial activity. Association of antibiotics and plant extracts showed synergistic antibacterial activity against antibioticresistant bacteria.
These plant materials were used to derive the ethanolic extracts and antibacterial activity of solvent extract were performed by the disc. The aim of the study was assess the antibacterial effect of some medicinal plant extracts and their synergistic antibiotic and nonantibiotic drugs against escherichia coli, staphylococcus aureus and pseudomonas aeruginosa. Antibacterial activity an overview sciencedirect topics. The antibacterial assay was carried out by microdilution method in order to determine the antibacterial activity of compounds tested against the pathogenic bacteria.
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