At present quick and effective management of plant dis eases and microbial contaminations is generally achieved by the use of synthetic pesticides 68. Antimicrobial activity of some indian medicinal plants. Most of the studied plant extracts showed the ability to inhibit antibacterial and antifungal activities. Here, studies should correlated between the plant extract of antimicrobial activity and its major secondary metabolites. It is in view of this, that the present research was set up to evaluate the antimicrobial activity of, using different. 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. The antimicrobial activity of the test organisms to the 11 plant extracts was screened by using the agarwell diffusion method perez et al. Antimicrobial activities of alcoholic extracts of neem leaves were used. Studies on some plant extracts for their antimicrobial. It has been estimated that between 3000 and 4000 plant species are used for their medicinal properties throughout south africa, with approximately 27 million south africans making. Plant mediated synthesis of nanomaterials has been increasingly gaining popularity due to its ecofriendly nature and costeffectiveness.
Antibacterial effects of selected plant extracts against. Table 1 indicates that the letheen broth neutralized the residual antimicrobial activity of the plant extract and the commercial products used in the study. Antimicrobial activity of southern african medicinal. Antimicrobial activity of crude extracts of some plant leaves.
A thesis submitted in partial fulfillment of the requirements for the award. It was concluded that ethanol extracts from 70 % of the plants were toxic to cell and only one of the species of combretum duarteanum showed antimicrobial activity. Association of antibiotics and plant extracts showed synergistic antibacterial activity against antibioticresistant bacteria. In the present study, we synthesized silver ag nanoparticles using aqueous extracts of fresh leaves of impatiens balsamina and lantana camara medicinal plants as bioreducing agents. Antimicrobial activity of some spices used in the meat industry. The antibacterial activity of extracts of nine plant. The effect of plant extracts on microorganism have been studied by a very large number of researchers in different parts of the world 7,8,9,10,11,12. These peptides may have potential to be developed as antimicrobial and anticancer agents. The plant showed significant antibacterial and antifungal activity against almost all the organisms table 1 and especially good activity was found against staphylococcus aureus and dermatophytes. Antibiofilm and antiquorum sensing activity were also demonstrated. A study of antimicrobial activity of some spices bhawana pandey, shabina khan and sheetal singh. Antibacterial and antifungal activity of plant extracts 221 synthesis of the obtained results t able 6 showed that the activi ty of the extracts depended on the sp ecies of plants, a method of.
Medicinal plants are known to harbor potential endophytic microbes, due to their bioactive compounds. In vitro antimicrobial activity of some medicinal plants. For example, a large proportion of the south american population use plant extracts obtained from traditional medicinal plants as medicine for many infectious diseases. The minimal inhibitory concentration mic of the plant extracts against e. Evaluation of antibacterial activity of these plant extracts was recorded in table 2 and illustrated in fig.
All determinations were made using normalized data points. Frontiers antimicrobial properties and mechanism of. Antimicrobial activity of plant extracts thesis pdf youtube antimicrobial activity of southern african medicinal plants with thesis final pdf cardiff metropolitan university. Antimicrobial activity of plant extracts thesis pdf. Five plant species were investigated to evaluate their antibacterial activity against food poisoning bacteria including two strains of gram positive bacteria b. Natural plant extracts have been tested in the laboratory against bacteria and fungi. The lack of scientific standardization for the use of some herbal preparations, as well as possible therapeutic alternatives againstantibiotic resistant bacterial. Collection of plant material and extract preparation.
A thesis submitted in partial fulfillment of the requirements for the. Frontiers antimicrobial activity of medicinal plants. Mic value shows that these plant extracts have the least antimicrobial activity. There is a need to elucidate the actual compounds in the plant leaf extracts. The antibacterial effect of some medicinal plant extracts. Pdf antibacterial and antifungal activity of plant extracts. Antimicrobial evaluation of selected medicinal plants using. Azadirachta indica leaves and barks were collected from. In addition, synergistic activity of these extracts with commercial antimicrobials showed promising results. Omomigbehin3, 1department of microbiology, lagos state university, lasu ojo.
Accordingly, since times immemorial, plants have been resisting the continuous attacks of microorganisms parasites, fungi, bacteria and viruses by. Antimicrobial activity of essential oils and other plant. Plant extracts from noni morinda citrifolia, citrus citrus aurantium, tamarind tamarindus indica, black tea and green tea camellia sinensis were assessed for their antibacterial activity against. An inoculum suspension was swabbed uniformly to solidified 20 ml muellerhinton agar mha for bacteria and sabouraud dextrose agar sda for fungi and the. This information might be used in herbal medicine in making concoctions to maximize their effectiveness. Antimicro bial activity of some medicinal plants extracts on. The study has shown the presence of steroid, alkaloids and tannins. The aim of the present study was to evalute the antimicrobial activity of a. In this study, we evaluated freezedried elder flowers or their berries normally used in herbal formulations. The antimicrobial effects noted for the investigated plant extracts and respective plant. Antimicrobial activity and phytochemical screening of. Antimicrobial activity of medicinal plant extracts and. Antimicrobial activity of some medicinal plant extracts against bacteria causing diarrhoea by naomi tope komolafe submitted in accordance with the requirements for the degree of master of science in the subject life sciences at the university of south africa supervisor.
Antibacterial activity in vitro of medicinal plants. The calyces extract was potent against all the test organisms except. Antibacterial activity of medicinal plant extracts. Studies of antimicrobial properties of different leaf. As antifungal activities, the nhexane and chloroform extracts of artemisia indica have. Antimicrobial activity of some plant extracts against. Antimicrobial activity of medicinal plant extracts and their synergistic effect on some selected pathogens desalegn amenu college of natural and computational science, biology department, wollega university, p. Antimicrobial activity in leaf extract of neem azadirachta indica against human pathogenic bacteria. Antibacterial activity of the plant extract of symphytum officinale l. Antimicrobial activities and phytochemical profiles of endemic. Chapter 3 antimicrobial evaluation of some chinese medicinal plants for their.
The antibacterial activities of extracts were evaluated using the disk diffusion method as well as well diffusion method. In a first study of ongoing research, endophytic bacteria were isolated from two medicinal plants, hypericum perforatum and ziziphora capitata with contrasting antimicrobial activities from the chatkal biosphere reserve of uzbekistan, and their plant specific traits involved in biocontrol and. The present study supports the traditional uses of medicinal plant by the indigenous communities as. Pdf antibacterial activity of medicinal plant extracts. Pdf antibacterial activity of some selected medicinal plants used. Antimicrobial activity of plant extracts thesis pdf click to order essay essay about cigarettes and alcohol in the 1920s and 30s, when watson was formulating essay his theory that would come to dominate the way we teach students qualities not leadership to. Pdf antibacterial activity of the plant extract of.
Pdf antimicrobial activity of some medicinal plants extracts. Synthesis of silver nanoparticles using aqueous extract of. Since the advent of antibiotics in the 1950s, the use of plant derivatives as antimicrobials has been virtually nonexistent. Antibacterial activity of clove syzygium aromaticum and garlic allium sativum. On the other hand in our study we have extracted the ginger in soybean which may protect the antimicrobial activity of ginger at high temperature and as a result good antimicrobial activity was. Phytochemical screening revealed the presence of alkaloid, flavonoid, saponin, terpenoid, steroid and sterols in the extracts of aerial parts of. Plants have been known for their medicinal properties since antiquity and research interest on their medicinal properties is gaining momentum. Plant products yield extracts with antimicrobial activities. Varying concentration of each extracts 200mgml, 150 mgml, 100mgml. Phd thesis, department of pharmacognosy and phytochemistry konkan gyanpeeth. This method allowed the synthesis of nanoparticles, which was confirmed by.
The antibacterial effect of some medicinal plant extracts and their. Antimicrobial, antibiofilm, antiquorum sensing and. Results antibacterial activity three kinds of crude extracts viz. Antibacterial activity of leaves crude extracts of psidium guajava on pathogenic bacteria sr.
After tlc and concentration steps, elder extracts were subjected to a solidphase extraction. The present study was designed to evaluate the phytochemical screening, antimicrobial and antioxidant activities of anabasis aphylla l. Singh et al 20 has evaluated the qualitative estimation of phytochemicals and antimicrobial activity of aqueous and methanol extracts of root and leaves of ocimum sanctum against pathogenic bacteria e. However, elder plant extracts were the most promising of the native plants tested for antibacterial activity.
However, the petroleum ether extracts of this plant showed little antimicrobial activity. Antimicrobial activity of leaf extracts of indian medicinal plants. A wide range of medicinal plants extracts are used to treat several. This thesis submitted under the university of salford regulations for the award of a. The investigation of antimicrobial activity as well as cell toxicity of extracts from 30 plant species against five bacteria species and two fungi species was studied 29. Benefit of synthesis of silver nanoparticles using plant extracts is that it is an economical, energy efficient, cost effective. Evaluation of antimicrobial activity of different solvent. Materials and methods plates were prepared for the antibacterial activity. Box, 395, ethiopia abstract antibiotics provide the main basis for the therapy of microbial bacterial and fungal infections. Antimicrobial activity of silver n anoparticles synthesized using plant extracts judita pui o 1, irena maionien 2, dovil jonkuvien, joana alomskien 1 department of physics, kaunas university of technology student 50, lt568 kaunas. Significant antimicrobial activity was observed in ethanolic. Antibacterial activity of five medicinal plant extracts. Antibacterial activity of methanolic extract of cycas revoluta. Clinical microbiologists have two reasons to be interested in the topic of antimicrobial plant extracts.
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