Antibacterial activity of plant extracts and phytochemicals. Antibacterial activity of some medicinal plant extracts. By ngaruiya paul njuguna a thesis submitted in partial fulfilment of master of. Plant derived medicines have made significant contributions towards human health and plants and are a great source of novel drug compounds. Hibiscus rosasinensis ethanolic extract against staphylococcus epidermidis and staphylococcus saprophyticus. Evaluation of the antimicrobial potential of plant extracts and phytochemicals. Evaluation of selected medicinal plants extracted in. Kr20140018589a antimicrobial composition comprising.
Biosynthesis of zno nanoparticles through extract from prosopis juliflora plant leaf. It was observed that both plant extract exhibited good antibacterial activity individually and combined form exhibited additive or decreased. Antimicrobial activity of ethanolic extract of medicinal plants against. The diameter 6 mm filter papers were placed in water extract liquid, 95% ethanol extract liquid, petroleum ether extract liquid, water extraction blank, 95% ethanol extract blank and petroleum. The per cent of garlic extract required to produce 80% inhibition of the organism observed in the study was much higher than that recorded in another study, where it was observed that. Antimicrobial activity of the extracts from coriandrum sativum. Diterpenoid alkaloids, commonly isolated from the plants of the ranunculaceae, or buttercup 107 family 15, are commonly found to have antimicrobial properties 163. Pdf antibacterial activity of mespilus germanica leaf. Since the plant extract contains various secondary metabolites, it acts as the reducing and stabilizing agent for the bioreduction. In vitro antibacterial activity of several plant extracts and. The following antibiotic solutions were prepared prior incorporation into the liquid medium.
Klebsiella pneumoniae by using solvent extract acetone aqueous and ethanol extract. Phytochemical estimation was carried out according to the methods described by trease and evans 198917. Antimicrobial activity of medicinal plant extracts on gram negative bacteria ada zwetlana, nandini m, kusuma dorcas abstract various types of antibacterial substances are present in higher plants. Antibacterial properties of hemp and other natural fibre. To avoid the chemical toxicity, biosynthesis green synthesis of metal nanoparticles is proposed as a costeffective and environmental friendly alternative. Antimicrobial activity of some plant extracts against. Antibacterial and antifungal activities from leaf extracts of. The filter paper method is used for the determination of the antibacterial effect of the extract liu, 2002. The results showed that 16 extracts have antibacterial activity with more than 10 mm against a. This study was based on screening antibacterial activity of the ethanol extract of baeckea frutescens l. The results revealed that ethyl acetate extract of. Synthesis of silver nanoparticles from leaf extract of. The resulting extracts were subsequently weighted to produce 0. Pdf antibacterial and photodynamic effects of some plant.
The highest yield of plant extract was obtained from punica granatum 4. Single component of antibacterial plant extract has high purity and obvious effect to be widely used in medcine and cleansers. Antimicrobial activity of crude extracts of three medicinal. 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. Antibacterial activity of extracts of selected plants broth cultures of test bacteria were prepared in sterile nutrient broth tubes by aseptically inoculating the pure cultures of test bacteria into broth tubes and incubating the tubes at 37 oc for 24 hours. Abdullah and others published extraction and evaluation of antibacterial activity from selected. Pdf the present study aimed at evaluating the in vitro antimicrobial activity of methanolic extracts of some. Researchers use bionanotechnology techniques as ecofriendly and costeffective routes to fabricate nanoparticles and nanomaterials. The antibacterial activity of the methanolic plant extract compared favourably well with commercial antibiotics. 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. Pdf extraction and evaluation of antibacterial activity from. The rate of killing of the plant extract on the isolates showed a decrease in the bacterial count with an increase in the exposure time to the extract. However, the resulting nanoparticles differ in size and antimicrobial capacity depending on the plant extract used.
Green synthesis of silver nanoparticles using the plant. Antibacterial and antifungal activities of thespesia populnea. The antibacterial and antioxidant activities of ethyl acetate extract of nettle urtica dioica and dandelion taraxacum officinale was studied, also phytochemical screening and determination of total phenolic content has been investigated. Biosynthesis of zno nanoparticles through extract from. Pdf antibacterial and antifungal activity of plant extracts. Antibacterial activity of five medicinal plant extracts. It is therefore recommended that the nature and the number of the active antibacterial principles involved in each plant extract be studied in detail. Pdf antibacterial activity of medicinal plant extracts researchgate. Evaluation of antimicrobial activity of different solvent.
Antibacterial potential of extracts of selected plants. In vitro antibacterial activity of different extracts such as water, hexane and ethyl acetate of coccinia grandis leaf and stem against four. Aqueous extracts of ginger had no significant antibacterial effect on e. The present invention relates to an antimicrobial composition comprising a natural plantderived extract as an active ingredient, and more particularly, to an antimicrobial composition containing a hyacinth, algae, seaweed or reed extract as an active ingredient. Issn phytochemical and antimicrobial evaluation of plant. This is explained by the fact that the crude form of plant extract possesses a lower concentration of blank ciprofloxacin extract extract bacterial 5. The plant parts were airdried at room temperature and grinded to powder form. Synthesis of silver nanoparticles from leaf extract of psidium guajava and its antibacterial activity against pathogens t. Plant extracts have shown inhibitory effect on the growth of the bacteria studied, although of distinct forms.
Human resource development department, council of scienti. Antibacterial activity of essential oils and plant extracts. Biosynthesis of metallic nanoparticles using plant extracts. Aloe vera leaf extract is a medicinal agent with multiple properties including an antibacterial effect. Pdf on feb 1, 2019, serap akyuz and others published antibacterial and photodynamic effects of some plant extracts for cavity disinfection find, read and cite all the research you need on. Antibacterial extract has a highperformance in antibacterial aspects and protecting humans body. The extract of the present invention is excellent in antimicrobial activity against various pathogenic microorganisms, nontoxic and. Evaluation of selected medicinal plants extracted in different ethanol concentrations for antibacterial activity against human pathogens. Green synthesis of silver nanoparticles in aloe vera plant. Antibacterial and antioxidant strategies for acne treatment through plant extracts. Chitra wendakoon 1, peter calderon2, and daniel gagnon2. Antibacterial activity of individual and combined extract of flowers.
If this would be possible, it will contribute to the knowledge of fellow researchers and to other medical practitioners, and will give a social impact to the readers. Antibacterial activity of essential oils and plant extracts of artemisia artemisia annua l. Therefore, in the present study, we obtained the antibacterial activity of this plant. Merremia emarginata, methanol extract, aqueous extract. The ethanolic extracts of medicinal plants were prepared by percolation process.
Since the antibacterial effectiveness of medicinal plants varies dramatically depending on the phytochemical characteristics of plant families and subfamilies, it is not surprising to note the difference in this efficacy even when using samples taken from the same plant, but from two different regions. Acetone technical grade, merck was used as an extractant in the assays using a ratio of 1. The present study confirms the ability of plant extract of salvia spinosa grown under in vitro condition for the biosynthesis of silver nanoparticles ag nps for the first time. Antibacterial activity of crude extracts of selected plants. The antibacterial plant extract use natural herb as raw materials. Antibacterial activity of leaf extracts of baeckea frutescens.
Biochemistry graduates to have results from their final year research projects on the antibacterial activity of plant extracts submitted for publication dilruba meah and aiysha thompson have just finished their biochemistry. In vitro alireza massiha,1 mohammadreza majid khoshkholghpahlaviani, 2 khosro issazadeh, 1 sirus bidarigh, 3 saeed zarrabi4 1. Assessments of antibacterial effects of aqueousethanolic. Pdf antibacterial and anthelmintic effects of ethanolic. These natural products are derived from various parts of the plant such as leaves, stems, roots, shoots, flowers, barks, fruits and seeds. The extract of 50 g of dried plant materials with ethanol yielded plant extract residues ranged from 1. Antibacterial activity of hot aqueous and methanolic extracts prepared from six plants terminallia chebula, terminallia bellerica, phyllanthus emblica, punica granatum, lawsonia alba and mikania micrantha used in traditional folk medicines of india were screened against five pathogenic bacteria staphylococcus aureus mtcc 2940, bacillus subtilis mtcc 441, escherichia coli mtcc 739.
Among all solvents used ethanol extract gave the highest zone of inhibition. Pdf antimicrobial activity of medicinal plant leaf. Antibacterial activity of various leaf extracts of merremia emarginata. Antibacterial activities of some borneo plant extracts. Medicinal plant leaf extract and pure flavonoid mediated green synthesis of silver nanoparticles and their enhanced antibacterial property. Antibacterial activity from selected flowering plants. In the context of searching for potent, safe, natural antimicrobial agents to combate the global antimicrobial resistance amr phenomenon, the current study evaluates for the first time ever, the broadspectrum antimicrobial activity of essential oil eo and extracts from the rare wild plant centaurea pumilio l it has tremendous ethnomedicinal values. Antibacterial plant extract manufacturers and supplier. The data pertaining to the antimicrobial potential of the plant extracts and phytochemicals are presented in tables 1 and 2, and figs. Materials and methods plant material the plant material was collected on mountains rudnik and ravna gora serbia. The main purpose of the study is to know the antibacterial activity of. European journal of botany plant sciences and phytology. There is no scientific data in literature about its activity against some bacteria. Medicinal plants are the major sources of new medicines and may constitute an.
Solamargine, a glycoalkaloid from the berries of solanum khasianum, and other alkaloids may be useful against hiv infection 142. Pandidurai research and development centre, bharathiar university, coimbatore 641 014, tamilnadu, india. Antibacterial and antifungal activities of crude extracts were determined by disc diffusion method. Hence, different extracts, varying in the plant or the part of the plant used for the extract, are currently investigated in regard to their capacity to form nanoparticles and their antimicrobial ef. The extract was filtered using what man filter paper no. 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. 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. Antibacterial and antifungal activities from leaf extracts. Review plant extracts for the control of bacterial growth. In vitro antibacterial activity of several plant extracts and oils. The antibacterial activity of extracts of nine plant species with good. Corresponding author abstract introduction nanotechnology is one of the most active. Many cosmetic products contain the extracts of this plant.
Mahmood from the immunology laboratory of university of. Antibacterial properties of hemp and other natural fibre plants. Antibacterial activities and a new approach by rustinduced photocatalysis. In this study, antibacterial activity of hydroacetonic extract of medlar s leaf was evaluated against some bacteria. Plantsynthesized nanoparticles and their antibacterial. Antibacterial activity of plant extracts from northwestern argentina.
Antibacterial and antifungal activity of plant extracts article pdf available in rocznik ochrona srodowiska 171. Antara sen department of botany, university of rajasthan, jaipur, india. Journal of global trends in pharmaceutical sciences. Even if the plant extract showed antibacterial activity, it was lower than that of other solvent extraction methods. Belas ahmed khan, a philip warner, b and hao wang a, intervention against pathogenic bacteria using natural plant material has a long history. From the previous reports, antimicrobial activities of some plant extracts have been reported to possess antimicrobial activity.
Plant materials also have been widely used as fillers andor reinforcers in. Ethanol extract six grams of the powdered plant material was extracted in a soxhlet extractor using 25ml of 40% ethanol. Antibacterial and antioxidant activities of ethyl acetate. Antibacterial and photodynamic effects of some plant extracts for cavity disinfection article pdf available in photodiagnosis and photodynamic therapy 26 february 2019 with 170 reads. For the present study these one plant were screened to detect the presence of the active metabolites like saponins, tannins and terpenoids.
1471 482 301 1516 657 982 472 1540 1125 890 611 1197 189 132 1581 1596 15 128 584 1614 737 734 324 1355 966 1055 908 1466 764 1169 933 1196 1159 1051 1210