scholarly journals SYNTHESIS AND ANTIMICROBIAL PROFILE OF SOME NEWER HETEROCYCLES BEARING THIAZOLE MOIETY

2012 ◽  
Vol 20 (20) ◽  
pp. 61-67
Author(s):  
RAJUL GUPTA ◽  
Neeraj Kumar FULORIA ◽  
Shivkanya FULORIA
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Candida Albicans ◽  
Acetic Anhydride ◽  
Antimicrobial Activities ◽  
Diffusion Method ◽  
Zone Of Inhibition ◽  
Disk Diffusion Method ◽  
Antibacterial And Antifungal

Various substituted acetophenones on treatment. with iodine and thiourea yielded 2-amino-4-( substituted-phenyl)-thiazole, which on further treatment with acetic anhydride generated N-(4-(substituted phenyl)thiazol-2-ylacetamide(1-5). All the synthesized compounds were characterized by their respective FTIR, 1H NMR, and mass data. Synthesized compounds (l, 2, 3, 4, 5) when subjected to investigation for their antimicrobial activities i.e. antibacterial and antifungal studies against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, Aspergillus flavus, and Aspergillus fumigatus by disk diffusion method, revealed that compound 2 deemed to be most potent with the largest zone of inhibition.

scholarly journals Antimicrobial Efficacy of Mineral Trioxide Aggregate against Therapy Resistant Endodontic Microorganisms

2016 ◽  
Vol 33 (3) ◽  
pp. 140-145
Author(s):  
Mst Laila Akter Banu ◽  
AKM Bashar ◽  
Md Mujibur Rahman Howlader ◽  
Md Shamsul Alam ◽  
Md Ashraf Hussain
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Bacillus Subtilis ◽  
Candida Albicans ◽  
Calcium Hydroxide ◽  
Enterococcus Faecalis ◽  
Antimicrobial Efficacy ◽  
Diffusion Method ◽  
Zone Of Inhibition

Microorganisms, usually from the dental caries, are the main sources of diseases in dental pulp (root canals) and periapical region. Facultative bacteria and fungi have been identified in therapy resistant persistent endodontic infection. The objectives of this study was to evaluate the antimicrobial efficacy of Mineral Tri Oxide Aggregate (MTA) against therapy resistant endodontic microorganisms. The efficacy of MTA was also compared with that of calcium hydroxide. Six standard bacterial stains were used: Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, bacillus subtilis, Candida albicans and Enterococcus faecalis. The agar diffusion method on Muller- Hilton media was employed. The plates containing media were inoculated with the specified bacterial suspensions. Two standard holes were prepared on each microorganism inoculated plate with a copper puncher and one hole was completely filled with MTA & the other with Ca (OH)2 . The plates were then kept at environmental temperature for one hour to ensure prediffusion and then incubated at 370C for 24 hours. After 24 hours, the diameters of inhibition zones were measured. Tests were replicated for thirty times for each sample and mean values were taken. Zone of inhibition as measured for MTA and Ca (OH)2 were statistically analyzed with Student’s t-Test and Post Hoc Games Howell Test and were presented as mean ± SD to compare of efficacy of MTA and calcium hydroxide on different microorganisms. Both MTA and Ca(OH)2 were found to produce zone of inhibition against Staphylococcus aureus (ATCC 25923), Pseudomonas aeruginosa (ATCC 27853), , Bacillus subtilis (BTCC 17 ), and Candida albicans (BTCC 493). MTA showed highest activity against S. aureus and lowest activity against P. aeruginosa which was similar to the activity range of Ca (OH)2 against the mentioned organisms. But both of them failed to produce any activity against E. coli and. E. faecalis. MTA was found to produce a lower efficacy than Ca (OH)2 while comparing the zone of inhibition between them and statistically it was significant. Mineral Tri Oxide Aggregate (MTA) showed antimicrobial efficacy against some therapy resistant microorganisms but it did not show antimicrobial efficacy against Escherichia coli and Enterococcus faecalis. MTA was found to produce a lower antimicrobial efficacy than Ca (OH)2.J Bangladesh Coll Phys Surg 2015; 33(3): 140-145

scholarly journals BIOAKTIVITAS JAMUR Aspergillus flavus YANG BERSIMBION DENGAN ASCIDIAN Eudistoma sp.

2020 ◽  
Vol 8 (2) ◽  
pp. 11
Author(s):  
Alfa Mongi ◽  
Deiske A Sumilat ◽  
Fitje Losung ◽  
Remmy E P Mangindaan ◽  
Rosita A Lintang ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Candida Albicans ◽  
Ethyl Acetate ◽  
Aspergillus Flavus ◽  
Marine Invertebrate ◽  
Diffusion Method ◽  
Disc Diffusion ◽  
Antibacterial And Antifungal ◽  
Ethyl Acetate Extracts

Ascidian is a marine invertebrate that produce bioactive compounds such as antibacterial and antifungal. The purpose of this study was to obtain symbiotic fungi isolates, ethyl acetate extracts from ascidian symbiotic isolates, and to determine the antibacterial and antifungal activities of ethyl acetate extracts of symbiotic isolates using the diffusion method (disc diffusion Kirby and Bauer) against Escherichia coli, Staphylococcus aureus bacteria and against the Candida albicans fungus. The results obtained 1 ascidian species which was cultured to obtain pure isolates, the pure isolates were tested molecularly and the results showed that the isolate was Aspergillus flavus, then the isolates were grown on rice medium and extracted. The results of the fungal extract showed the presence of antibacterial and antifungal activity against Escherichia coli by 10 mm, Staphylococcus aureus by 19 mm and against the Candida albicans by 13.5 mm. Keywords : Ascidian, Eudistoma sp., Aspergillus flavus, Antibacterial, Antifungal, Symbiotic.                                                  AbstrakAscidian merupakan avertebrata laut yang dapat menghasilkan senyawa bioaktif yang seperti antibakteri dan antijamur. Tujuan dari penelitian ini yaitu mendapatkan isolat jamur simbion dari ascidian, mendapatkan ekstrak etil asetat dari isolat jamur simbion ascidian, dan menguji aktivitas antibakteri dan antijamur ekstrak etil asetat isolat jamur simbion dengan metode difusi agar (disc diffusion Kirby and Bauer) terhadap bakteri Escherichia coli, Staphylococcus aureus dan terhadap jamur Candida albicsans. Hasil penelitian didapatkan 1 jenis ascidian yang kemudian dikultur untuk mendapatkan isolat murni, isolat murni diuji secara molekuler dan didapati hasil bahwa isolat tersebut merupakan jamur Aspergillus flavus. Isolat tersebut kemudian ditumbuhkan pada media nasi dan diekstrak. Hasil ekstrak jamur tersebut menunjukkan adanya aktivitas antibakteri dan antijamur terhadap bakteri Escherichia coli sebesar 10 mm, Staphylococcus aureus sebesar 19 mm dan terhadap jamur Candida albicsans 13,5 mm. Kata kunci : Ascidian, Eudistoma sp., Aspergillus flavus, Antibakteri, Antijamur, Simbion.

scholarly journals Antimicrobial Activity of Cultivable Endophytic and Rhizosphere Fungi Associated with “Mile-a-Minute,” Mikania cordata (Asteraceae)

2020 ◽  
Vol 2020 ◽  
pp. 1-7 ◽  
Author(s):  
Pavithra L. Jayatilake ◽  
Helani Munasinghe
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antimicrobial Activity ◽  
Antimicrobial Properties ◽  
Pharmaceutical Products ◽  
Diffusion Method ◽  
Molecular Characteristics ◽  
Disk Diffusion Method ◽  
Rhizosphere Fungi

Endophytic and rhizosphere fungi are understood to be aiding the host plant to overcome a range of biotic and abiotic stresses (nutrition depletion, droughts, etc.) hence, they remain to be reservoirs of plethora of natural products with immense use. Consequently, this investigation of endophytic and rhizosphere fungi isolated from Mikania cordata (a perennial vine that is well established in Sri Lanka) for their antimicrobial properties was performed with the aim of future derivation of potential beneficial pharmaceutical products. Leaves, twigs, and roots of M. cordata were utilized to isolate a total of 9 endophytic fungi out of which the highest amount (44%) accounted was from the twigs. A sample of the immediate layer of soil adhering to the root of M. cordata was utilized to isolate 15 rhizosphere fungi. Fusarium equiseti and Phoma medicaginis were endophytes that were identified based on colony and molecular characteristics. The broad spectrum of antimicrobial activity depicted by F. equiseti (MK517551) was found to be significantly greater (p≤0.05, inhibitory against Bacillus cereus ATCC 11778, Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, and Pseudomonas aeruginosa ATCC 25853) than P. medicaginis (MK517550) (inhibitory against Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, and Pseudomonas aeruginosa ATCC 25853) as assessed using the Kirby-Bauer disk diffusion method. Trichoderma virens and Trichoderma asperellum were rhizospere fungi that exhibited remarkable antimicrobial properties against the test pathogens chosen for the study. T. asperellum indicated significantly greater bioactivity against all four bacterial pathogens and Candida albicans ATCC 10231 under study. The ranges of minimum inhibitory concentrations (MICs) of the fungi depicting antimicrobial properties were determined. The results obtained suggest that F. equiseti, P. medicaginis, T. asperellum, and T. virens of M. cordata harness bioprospective values as natural drug candidates. This is the first report on isolation and evaluation of the antimicrobial properties of endophytic and rhizosphere fungi of Mikania cordata.

scholarly journals Characterization and Antimicrobial Activity of Erbium(III) Complexes of C-3 Substituted 2-hydroxy-1,4-naphthalenedione-1-oxime Derivatives

2001 ◽  
Vol 8 (3) ◽  
pp. 159-164 ◽  
Author(s):  
S. B. Jagtap ◽  
N. N. Patil ◽  
B. P. Kapadnis ◽  
B. A. Kulkarni
Keyword(s):  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antimicrobial Activity ◽  
Antibacterial Activity ◽  
Magnetic Susceptibility ◽  
Candida Albicans ◽  
Xanthomonas Campestris ◽  
Antimicrobial Activities ◽  
Diffusion Method ◽  
Oxime Derivatives

Erbium(III) complexes of 2-hydroxy-l,4-naphthalenedione-1-oxime and its C-3 substituted derivatives are synthesized and characterized by elemental analysis, thermogravimetric analysis, infrared spectroscopy, magnetic susceptibility measurements 2-hydroxy-1,4-naphthalenedione-1-oxime derivatives are analysed using H1 and C13 NMR spectroscopy. The molecular composition of the synthesized complexes is found to be [ML3(H2O)2]. The antimicrobial activity of these complexes is determined by well diffusion method against the target microorganisms- Staphylococcus aureus, Xanthomonas campestris, Pseudomonas aeruginosa, Candida albicans and Aspergillus niger. The antimicrobial activities of 2- hydroxy-1,4-naphthalenedione-1-oximes and their complexes are compared. It is observed that 2-hydroxy-1,4-naphthalenedione-l-oximes exhibit higher antifungal activity as compared to antibacterial activity. These activities are reduced upon complexation of these oximes with Erbium.

scholarly journals Synthesis and Antimicrobial Activities of 1-((5-Chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide

2021 ◽  
Vol 47 (3) ◽  
pp. 1296-1302
Author(s):  
Oluwaseyi B. Ovonramwen ◽  
Bodunde J. Owolabi ◽  
Abiodun Falodun
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Bacillus Subtilis ◽  
Candida Albicans ◽  
Methicillin Resistant Staphylococcus Aureus ◽  
Antimicrobial Activities ◽  
Microbiological Method ◽  
Gram Negative ◽  
Methyl Imidazole

A new 1-((5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide was synthesized from methyl-1-[(5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl]pyrrolidine-2-carboxylate and ethylamine. The compound methyl-1-[(5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl]pyrrolidine-2-carboxylate was synthesized from methyl pyrrolidine-2-carboxylate and 5-chloro-4-chlorosulfonyl-1-ethyl-2-methyl-imidazole. The compounds were characterized based on FTIR, 1H, 13C NMR, and DEPT 135 analysis. Antimicrobial activities of the 1-((5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide against Gram-positive (methicillin-susceptible Staphylococcus aureus, methicillin-resistant Staphylococcus aureus, and Bacillus subtilis), Gram-negative (Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae), and Candida albicans were carried out using the standard microbiological method. The newly synthesized 1-((5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide had no activities against the tested organisms. Keywords:    1-((5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl)-N-ethylpyrrolidine-2-carboxamide; methyl-1-[(5-chloro-1-ethyl-2-methyl-1H-imidazol-4-yl)sulfonyl]pyrrolidine-2-carboxylate; L-proline; ethylamine.

Design and Synthesis of Novel Antimicrobial Benzimidazolium Compounds

2012 ◽  
Vol 554-556 ◽  
pp. 1686-1689 ◽  
Author(s):  
Jiang Ping Meng
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Bacillus Subtilis ◽  
Candida Albicans ◽  
Mass Spectrum ◽  
Significant Activity ◽  
Design And Synthesis ◽  
Antibacterial And Antifungal Activities ◽  
Antibacterial And Antifungal

In this research, a series of novel benzimidazolium compounds were designed, synthesized and evaluated for antibacterial and antifungal activities against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Bacillus subtilis, Bacillus proteus, and two fungi, Candida albicans and Aspergillus fumigatus. All of the synthesized compounds exhibited significant activity against the evaluated bacteria. The structures of these novel compounds were measured by 1H NMR, IR and mass spectrum.

scholarly journals AKTIVITAS ANTIMIKROBA EKSTRAK DAN FRAKSI TUNIKATA (Polycarpa aurata) YANG DIKOLEKSI DI SELAT LEMBEH, BITUNG TERHADAP Escherichia coli, Staphylococcus aureus DAN Candida albicans

PHARMACON ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 243
Author(s):  
Cinlye J Manoppo ◽  
Adithya Yudistira ◽  
Defny S Wewengkang
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antimicrobial Activity ◽  
Candida Albicans ◽  
Ethanol Extract ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Methanol Fraction ◽  
Lembeh Strait ◽  
Partition Method

ABSTRACTTunicate is an invertebrate that lives in a coral reef ecosystem and produces many compounds such as, antibacterial, antitumor and anticancer. This study aimed to determine the antimicrobial activity of extracts and fraction of tunicate (Polycarpa aurata) collected in the Lembeh Strait, Bitung against Escherichia coli, Staphylococcus aureus and Candida albicans. Tunicate (Polycarpa aurata) was extracted by maceration method using 96% ethanol solvent, fractination using liquid-liquid partition method with n-hexane, chloroform and methanol solvent, and antimicrobial testing using Kirby Bauer’s disk diffusion method. The results showed that ethanol extract of tunicate (Polycarpa aurata) had antimicrobial activity againts Escherichia coli with an inhibition of 15.12 mm, and againts Candida albicans with an inhibition of 15 mm. While the methanol fraction showed antimicrobial with a strong category and inhibition of 16.17 mm againts Staphylococcus aureus. Keyword: Tunicate (Polycarpa aurata), Extraction, Fractination, Antimicrobials  ABSTRAKTunikata merupakan invertebrata di ekosistem terumbu karang yang banyak menghasilkan senyawa seperti, antibakteri, antitumor dan antikanker.  Penelitian ini bertujuan untuk  mengetahui aktivitas antimikroba ekstrak dan fraksi tunikata (Polycarpa aurata) yang dikoleksi di Selat lembeh, Bitung terhadap Escherichia coli, Staphylococcus aureus dan Candida albicans.  Tunikata (Polycarpa aurata) diekstraksi menggunakan metode maserasi dengan pelarut etanol 96%, fraksinasi menggunakan metode partisi dengan pelarut n-heksan, kloroform dan metanol, dan pengujian antimikroba menggunakan metode difusi agar Kirby Bauer. Hasil penelitian menunjukkan bahwa ekstrak etanol tunikata (Polycarpa aurata) memiliki aktivitas antimikroba kategori kuat pada fraksi metanol dengan daya hambat sebesar 16, 17 mm terhadap Escherichia coli, pada ekstrak etanol dengan daya hambat sebesar 15, 12 mm terhadap Staphylococcus aureus sedangkan pada Candida albicans aktivitas yang sangat baik terjadi pada ektraksi etanol sebesar 15 mm. Kata Kunci: Tunikata (Polycarpa aurata), Ekstraksi dan Fraksinasi, Antimikroba

scholarly journals UJI AKTIVITAS ANTIMIKROBA EKSTRAK ETANOL ORGANISME LAUT SPONS Ianthella basta TERHADAP BEBERAPA MIKROBA PATOGEN

PHARMACON ◽  
2020 ◽  
Vol 9 (1) ◽  
pp. 100
Author(s):  
Syifa Sari Katili ◽  
Defny S Wewengkang ◽  
Henki Rotinsulu
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antimicrobial Activity ◽  
Candida Albicans ◽  
Marine Organism ◽  
Ethanol Extract ◽  
Diffusion Method ◽  
Disc Diffusion ◽  
Paper Disc

ABSTRACTSponges are multicellular metazoa animals belonging to the Porifera phylum, which has a different structure from other metazoans. The purpose of this study was to determine whether ethanol extracts from the marine organism sponge Ianthella basta have antimicrobial activity against several pathogenic microbes Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Candida albicans. The extraction method used is maceration with 96% ethanol solvent. The method used is the Diffusion Method (Disc Diffusion Kirby and Bauer). The antimicrobial activity test uses a 6 mm paper disc with 50 µL absorption per disc. The results of crude ethanol extract of Ianthella basta sponge from all test microbes, namely Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Candida albicans, were seen to provide the greatest inhibitory activity against Staphylococcus aureus bacteria with an average of inhibitory zone of 7.00 mm categorize as intermediate The results obtained showed that the crude extract of the sponge Ianthella basta has antimicrobial activity because it can inhibit the growth of Staphylococcus aureus, Escherichia coli and Candida albicans microbes even though the inhibition zone is categorized as intermediate. Keywords: Ianthella basta, antimicrobial, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans. ABSTRAKSpons adalah hewan metazoa multiseluler tergolong ke dalam filum Porifera, yang memiliki perbedaan struktur dengan metazoan lainnya. Tujuan penelitian ini ialah untuk mengetahui apakah ekstrak etanol dari organisme laut spons Ianthella basta memiliki aktivitas antimikroba terhadap beberapa mikroba patogen Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa dan Candida albicans. Metode ekstraksi yang digunakan adalah maserasi dengan pelarut etanol 96%. Metode yang digunakan yaitu Metode Difusi (Disc Diffusion Kirby and Bauer).  Pengujian aktivitas antimikroba ini menggunakan kertas cakram (paper disc) berukuran 6 mm dengan daya serap 50 µL tiap cakram. Hasil ekstrak kasar etanol Spons Ianthella basta dari semua mikroba uji yaitu Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa dan Candida albicans, terlihat yang memberikan daya hambat paling besar terdapat pada bakteri Staphylococcus aureus dengan jumlah rata – rata zona hambat yaitu 7,00 mm dengan kategori sedang. Hasil penelitian yang diperoleh menunjukkan bahwa ekstrak kasar dari Spons Ianthella basta memiliki aktivitas antimikroba karena mampu menghambat pertumbuhan mikroba uji Staphylococcus aureus, Escherichia coli dan Candida albicans walaupun dengan zona hambat yang  dikategorikan sedang. Kata Kunci : Ianthella basta, antimikroba, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans.

scholarly journals Synthesis and Antimicrobial Activities of some Quaternary Morpholinium Chlorides

2010 ◽  
Vol 59 (1) ◽  
pp. 49-53 ◽  
Author(s):  
BOGUMIŁ BRYCKI ◽  
ZOFIA DEGA-SZAFRAN ◽  
ILONA MIRSKA
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antimicrobial Activity ◽  
Candida Albicans ◽  
Nitrogen Atom ◽  
Alkyl Group ◽  
Antimicrobial Activities ◽  
Proteus Vulgaris

The synthesis and antimicrobial activity of 31 morpholinium chlorides, divided into five series depending on the substituents attached to the nitrogen atom, N-carboxyalkyl-morpholinium chlorides (1a-e), N-carbalkoxymethyl-N-methyl-morpholinium chlorides (2a-f), N-carbethoxymethyl-N-alkyl-morpholinium chlorides (3a-g), N-carbalkoxymethyl-N-dodecyl-morpholinium chlorides (4a-f) and N-carboxymethyl-N-alkyl-morpholinium chlorides (5a-g) is reported. The compounds investigated were tested for antimicrobial activity against Staphylococcus aureus, Escherichia coli, Proteus vulgaris, Pseudomonas aeruginosa, Candida albicans and Trichophyton menthagrophytes. The most active are compounds with a long N-alkyl group and with the substituent CH2COOC(n)H(2n-1) (n = 8-16).

scholarly journals Evaluation of Antibacterial and Antifungal Activity of Herbs Used in Treatment of Diabetes, Malaria and Pneumonia in Kisii and Nyamira Counties Region, Kenya

2021 ◽  
Vol 5 (4) ◽  
pp. 330-337
Author(s):  
Moses A. Guto Maobe ◽  
Leonard Gitu ◽  
Erastus Gatebe
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Candida Albicans ◽  
Antifungal Activity ◽  
Diffusion Method ◽  
Root Extract ◽  
Plant Parts ◽  
Toddalia Asiatica ◽  
Antibacterial And Antifungal

The herbs Carissa spinarum, Physalis minima and Toddalia asiatica have traditionally been used in healing diabetes, malaria and pneumonia by the communities around the Kisii region, Kenya. However in the available literature, there is scanty information on effectiveness of different plant parts of the herbs in healing the ailments. The objective of this study was to investigate the potential antimicrobial and antifungal activity of methanolic extract of whole plant Physalis minima, leaf and root of Carissa spinarum and Toddalia asiatica against gram positive bacteria Staphylococcus aureus (ATCC 25923), gram negative bacteria Escherichia coli (ATCC 25922) and fungus Candida albicans (ATCC14053). Antibiotic disc methicillin, cotrimoxazole, chloramphenicol, gentamicin, ampicillin, nalidixic and nitrofurantoin were used in the study. In each herb, plant part was extracted by soaking in methanol/dichloromethane in ratio 1:1 for a week, filtered, concentrated by rotary vapor and cooled. The same process was repeated three times for all samples. The study was conducted by agar well diffusion method. Methanolic root extract of Toddalia asiatica showed highest antibacterial activity against Staphylococcus aureus (ATCC 25923), root extract of Carissa spinarum had highest antibacterial activity against Escherichia coli (ATCC 25922) while root extract of Toddalia asiatica showed highest antifungal activity. It was concluded that root extract of Toddalia asiatica showed highest antibacterial activity 16.7mm  against Staphylococcus aureus(ATCC 25923), root extract of Carissa spinarum had highest antibacterial activity 10 mm  against Escherichia coli (ATCC 25922)  while  root extract of Toddalia asiatica had highest antifungal activity 18 mm against Candida albicans.

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