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Journal articles on the topic 'Maximum zone of inhibition'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Habiba, Ume, Jaweria Nisar, Muhammad Akram Choohan, Syed Muhammad Ali Shah, Zonaira Nisar, and Imtiaz Mustafa. "Antibacterial Activity of Tris NaCl and PBS Buffer Protein Extract of Cassia fistula, Saccharum officinarum, Albizia lebbeck and Cymbopogon citrates Against Bacterial Strains." Dose-Response 19, no. 1 (2021): 155932582199223. http://dx.doi.org/10.1177/1559325821992239.

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Medicinal plants are gaining popularity over synthetic medicines because antibiotic resistance demands the alternative source of medication. In the present research, the crude protein extraction of 4 medicinal plants Cassia fistula, Saccharum officinarum, Albizia lebbeck and Cymbopogon citrates was carried out. Crude protein extraction was done by 2 different buffers i.e. Tris NaCl buffer and PBS buffer. Protein confirmation was done by Bradford assay in the spectrophotometer. Antibacterial potential was checked and compared against Escherichia coli, Bacillus subtilis, Neisseria gonorrhoea, Ba

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2

Baluhya, Marco, and Charles O. Joseph. "Bacterial growth inhibitory effects of Calotropis procera’s latex, leaves and roots extracts." Tanzania Journal of Science 47, no. 2 (2021): 648–54. http://dx.doi.org/10.4314/tjs.v47i2.20.

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This study was conducted to evaluate in vitro antibacterial potential of water and ethanolic extracts from Calotropis procera roots, leaves and latex. The growth inhibitory effects of the extracts were tested against Escherichia coli using disc diffusion method. Amoxicillin was used as positive control, whereas ethanol and distilled water were used as negative controls. Results showed that water extracts from root, latex and leaves had 3.27 ± 0.14, 3.1 ± 0.21 and 2.38 ± 0.24 cm of maximum inhibition zones, while the ethanolic extracts showed 2.91 ± 0.19, 3.02 ± 0.16 and 0.84 ± 0.31 cm, respect

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3

Farooqui, Mazahar, Nasir Ali Shafakat Ali, Zaheer Zaheer, Zia Ur Rahman, and Ashpaq Khan. "Synthesis, Anti-bacterial, Analgesic and Anti-inflammatory Activities of Some New Biologically Important Indazole Derivatives." International Journal of Drug Design and Discovery 1, no. 4 (2024): 314–24. https://doi.org/10.37285/ijddd.1.4.5.

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A series of new indazolyl derivatives (1.1A - 1.5E) have been prepared from commercially available N-methyl-3-indazole carboxylic acid and 7-amino cephalosporic acid. The synthesized compounds were evaluated for anti-bacterial, analgesic and in vivo anti-inflammatory activities using acetic acid writhing in mice and carrageenan paw oedema method in mice. The series of compounds have analgesic activity in the order 1.4D>1.3C>1.5E>1.2B >1.1A Compound 1.3C had maximum zone of inhibition for Bacillus thurengensis, Staphylococus aureus, Bacillus Subtilis and showed least zone of inhibit

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4

Liaqat, Nadia. "IN-VITRO EVALUATION OF PLANT EXTRACTS FOR THE MANAGEMENT OF BLACK LEG OF POTATO." Agricultural Sciences Journal 4, no. 1 (2022): 11–16. http://dx.doi.org/10.56520/asj.004.01.0128.

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Potato crop is facing serious threat due to blackleg disease caused by Pectobacterium atrosepticum. For pathogen isolation and identification, diseased samples were collected, processed and confirmed through Koch’s postulates, gram staining, KOH test and Potato tuber assay. Nine plants extracts P. guajava (Guava), P. granatum (Pomegranate), S. pinnata (Plum), S. cumini (Kalajam), M. indica (Mango), T. indica, L.chinensis (Litchi), V.amurensis (Grapes) and C. verum (Cinnamon) were evaluated against Pa by using inhibition zone technique under Completely Randomized Design (CRD). Maximum inhibitio

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Liaqat, Nadia. "IN-VITRO EVALUATION OF PLANT EXTRACTS FOR THE MANAGEMENT OF BLACK LEG OF POTATO." Agricultural Sciences Journal 4, no. 1 (2022): 11–16. http://dx.doi.org/10.56520/asj.v4i1.128.

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Potato crop is facing serious threat due to blackleg disease caused by Pectobacterium atrosepticum. For pathogen isolation and identification, diseased samples were collected, processed and confirmed through Koch’s postulates, gram staining, KOH test and Potato tuber assay. Nine plants extracts P. guajava (Guava), P. granatum (Pomegranate), S. pinnata (Plum), S. cumini (Kalajam), M. indica (Mango), T. indica, L.chinensis (Litchi), V.amurensis (Grapes) and C. verum (Cinnamon) were evaluated against Pa by using inhibition zone technique under Completely Randomized Design (CRD). Maximum inhibitio

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6

P, Beulah Rose Rani,, and Sheeba Rajakumari, DV. "Neem Leaves Extract (Azadirachta indica) and Its Bactericidal Activity against Biofilm-forming Pathogenic Bacteria." UTTAR PRADESH JOURNAL OF ZOOLOGY 45, no. 9 (2024): 86–93. http://dx.doi.org/10.56557/upjoz/2024/v45i94026.

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Antibiotics are used in healthcare as for prophylaxis and have therapeutic value against drug-resistant bacteria. The main aim of the study was to analyze the potential of neem leaf extract against pathogenic bacteria. The leaves were dried and phytochemicals were extracted with methanol, ethyl acetate, chloroform, and water. The methanol extract showed maximum yield. The total phenolic and flavonoid contents were found to be maximum in methanol extract. The methanol extract showed maximum activity followed by ethyl acetate, chloroform, and water. The methanol extract exhibited maximum activit

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7

Zubair, Faiza, Naila Riaz, and Iqra Khalid. "VALIDATION OF ANTI-BACTERIAL EFFECT OF AMALTAS (Cassia fistula, METHANOLIC EXTRACT) AGAINST SELECTED BACTERIAL STRAINS." Pakistan Journal of Science 74, no. 1-1 (2023): 20–24. http://dx.doi.org/10.57041/pjs.v74i1-1.809.

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Increasing prevalence of antibiotic resistance necessitates the development of more potent natural product that has no adverse effects on human health. Purpose of this study is to verify the medicinal efficacy of selected plant extract (Cassia fistula) against selected bacterial strains. For this purpose the methanolic extract of Cassia fistula (Amaltas) was employed at different concentration, temperature and pH conditions to study its antimicrobial properties against Escherichia coli, Staphylococcus aureus, Bacillus subtilis and Bacillus cereus. Results revealed that Cassia fistula showed ma

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8

Sati, S. C., and Lokendra Singh. "Bioactivity of Root Endophytic Freshwater HyphomycetesAnguillospora longissima(Sacc. & Syd.) Ingold." Scientific World Journal 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/707368.

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Anguillospora longissima, isolated from root as endophytic freshwater hyphomycetes, was evaluated for its bioactivity (antibacterial potential) against five bacterial strains, namely, Gram-positive (Bacillus subtilisMTCC 121) and Gram-negative (Agrobacterium tumefaciensMTCC 609,Escherichia coliMTCC 40,Erwinia chrysanthemum,andXanthomonas pseudomonas). Antimicrobial activity was assessed by measuring the zone of inhibition with preliminary and secondary antimicrobial assays. The applied fungus was found significant for all tested bacterial strains as showen by their zone of inhibition. In preli

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9

Ramakrishnaiah, G., and T. Hariprasad. "In vitro antimicrobial activity of leaves and bark extracts of Ficus religiosa (Linn.)." Indian Journal of Pharmaceutical and Biological Research 1, no. 01 (2013): 38–43. http://dx.doi.org/10.30750/ijpbr.1.1.3.

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In the present study we investigated antimicrobial activity of diethyl ether and methanol extractions of bark and leaves of Ficus religiosa plant against three bacteria (E.coli, Staphylococcus aureus and Pseudomonas aurignosa) and one fungi (Aspergillus niger). The results showed that the methanol extracts of both leaves and bark showed antimicrobial activity on three tested bacteria and no effect on A.niger. In methanol extracts S.aureus showed maximum sensitivity (inhibition zone 28mm) followed by E.coli (inhibition zone 16mm) and Pseudomonas aeruginosa (inhibition zone 12mm). Diethyl ether

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10

Gul, Sahiba, Shakila Bibi, Haseena Nazneen, Muhammad Adeel Alam, Ansa Khan, and Zahid Ullah Khan. "Evaluation of the Anti-Bacterial Potential of Allium Sativum Against some Resistant Human Pathogenic Isolates and its Synergy with Antibiotics." Pakistan Journal of Medical and Health Sciences 17, no. 2 (2023): 469–71. http://dx.doi.org/10.53350/pjmhs2023172469.

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Background: Allium Sativum has long been considered one of the most efficient medicinal plants for treating bacterial illness. Taking into consideration the current research study was conducted to assess the effect of Allium sativum extract on Multi-Drug Resistant (MDR) bacterial isolates and its association with antibiotics against MDR pathogens commonly found in the hospital environment. Methods: The test organisms (Staph aureus, Staphylococcus, Yersinia, Micrococcus) which were clinically isolated from patients were collected from Lady Reading Hospital Peshawar. The clinical samples were cu

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11

Naqvi, Syed Ali Raza, Syed Muhammad Ali Shah, Laiba Kanwal, et al. "Antimicrobial and Antihypercholesterolemic Activities of Pulicaria gnaphalodes." Dose-Response 18, no. 1 (2020): 155932582090485. http://dx.doi.org/10.1177/1559325820904858.

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Multidrug resistance has increased globally in the communities. Bacterial infections associated with health care have weakened the existing antimicrobial therapy and demand the search for alternative therapies. In the present investigation, the medicinal plant Pulicaria gnaphalodes from Quetta, Pakistan, has been screened for antimicrobial potential. In vitro antimicrobial efficacy of P gnaphalodes extracts (methanol and ethanol) was quantitatively evaluated on the basis of zone of inhibition against different bacteria and minimum inhibitory concentration (MIC). In vivo, antihypercholesterolem

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12

Oghenemaro, Enwa Felix, Jemikalajah Daniel Johnson, Oyubu L. Obaro, Adjekuko Collins, and Ukah Faith Erezi. "In-Vitro Evaluation of the Antibacterial Activity of the Methanol Leave Extract of Lawsonia Inermis Against Methicillin-Resistant Staphylococcus Aureus (MRSA)." Journal of Pharmaceutical Research 21, no. 4 (2022): 114–22. http://dx.doi.org/10.18579/jopcr/v21i4.22.27.

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This study is to determine the antibacterial efficacy of Lawsonia inermis against methicillin-resistant Staphylococcus aureus (MRSA) which has become a leading cause of infections. The leaves of Lawsonia inermis also known as Henna or lalley leave were subjected to extraction with seventy percent (70%) methanol using the cold maceration technique after which phytochemical screening and partitioning were carried out following standard procedures, hence, three fractions of the methanol extract of Lawsonia inermis (crude extract, aqueous and chloroform fractions) were used against thirty strains

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13

Chitnis, Prajal Praveen, Sanjay Venugopal, and Sowmya S. "Evaluation of Antimicrobial Efficacy of Three Commercially Available Herbal Mouthwashes - An In Vitro Comparative Study." RGUHS Journal of Dental Sciences 14, no. 3 (2022): 78–84. http://dx.doi.org/10.26715/rjds.14_3_13.

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Background: Today several mouthwashes are flooding the market including various herbal products. It is important to know their antimicrobial efficacy before the clinical use. Hence in the current investigation, we compared the antimicrobial efficacy of three commercially available herbal mouthwashes against four periopathogens. Methodology: In this in vitro study, comparative evaluation of antimicrobial efficacy of three commercially available herbal mouthwashes i.e Oramint herbal mouthwash, Hiora mouthwash and Colgate plax fresh tea mouthwash were tested against four different microbial strai

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14

Karnirius Harefa, Barita Aritonang, and Ahmad Hafizullah Ritonga. "Aktivitas Antibakteri Ekstrak Etanol Kulit Markisa Ungu (Passiflora Edulis Sims) Terhadap Bakteri Propionibacterium Acnes." Jurnal Multidisiplin Madani 2, no. 6 (2022): 2743–58. http://dx.doi.org/10.55927/mudima.v2i6.469.

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Propionibacterium acnes is a gram-positive bacterium that causes acne. This study aimed to determine the antibacterial activity of the ethanolic extract of purple passion fruit peel (Passiflora edulis Sims) against Propionibacterium acnes bacteria. The method used to determine the antibacterial activity of the ethanolic extract of passion fruit peel was a paper disc (Kirby-Bauer test). Based on the results of phytochemical screening, the purple passion fruit peel simplicia powder contains flavonoid compounds, saponins, tannins, steroids, and triterpenoids that function as antimicrobials. Based

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15

Rafay, Muhammad. "PHYTOCHEMICALS ANALYSIS AND ANTIMICROBIAL ACTIVITIES OF ECHINOPS ECHINATUS FROM CHOLISTAN DESERT, PAKISTAN." Agrobiological Records 5 (2021): 21–27. http://dx.doi.org/10.47278/journal.abr/2021.001.

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Plants have been used as a source of food as well as medicines by the man throughout history. Echinops echinatus was evaluated for phytochemicals and antibacterial activities against Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia and Anti-urease inhibition assay activities were tested during the study. The laminar flow cabin was cleaned with 70% ethanol. α-glucosidase inhibition activity was performed according to the standard method with slightly modification. Carbohydrates, phenols and tannins were found positive in leaves, stems and roots. Saponins and

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16

Wagh, Harshada. "Anti-oxidant and Anti-bacterial activity of polyherbal formulation." International journal of therapeutic innovation 2, no. 3 (2024): 0159–62. http://dx.doi.org/10.55522/ijti.v2i3.0051.

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The present work aimed to evaluate anti-oxidant and anti-bacterial activity of polyherbal formulation (gel) prepared using Tulsi, Aloe vera, Neem. It has been used for skin benefits since ancient times. Formulations were tested anti-oxidant activity by DPPH radical scavenging assay and anti-bacterial activity by disk diffusion Susceptibility Testing method. The anti-oxidant activity is exhibited in percentage inhibition. F1 formulation showed maximum percentage inhibition with increasing concentration as compared to standard ascorbic acid. The anti-bacterial activity is exhibited in zone of in

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17

Barua, Aruna, Md Ruhul Kuddus, M. Mohi Uddin Chowdhury, Mohammad A. Rashid, and Mohammed Ibrahim. "Antioxidant, Anti-inflammatory, Antimicrobial and Thrombolytic Activities of Eclipta alba L. Growing in Bangladesh." Bangladesh Pharmaceutical Journal 26, no. 1 (2023): 20–27. http://dx.doi.org/10.3329/bpj.v26i1.64214.

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Eclipta alba L. (Family: Asteraceae) is an evergreen herb of ethnomedicinal significance in the Indian subcontinent. The present study was carried out to determine the in vitro antioxidant, anti-inflammatory, antimicrobial and thrombolytic activities of n-hexane, chloroform and aqueous soluble fractions of ethanol crude extract of E. alba whole plant. Preliminary phytochemical screening was performed by qualitative tests which revealed the presence of alkaloids, steroids, glycosides, tannins, flavonoids, saponins and amides in E. alba. During the DPPH (2,2-diphenyl-1-picrylhydrazyl) scavenging

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18

Ahmad, Rizwan, and Aziz Ahmed. "Evaluation of antibacterial activity of Morus nigra & Citrus limon." Journal of Ayurvedic and Herbal Medicine 2, no. 6 (2016): 213–17. http://dx.doi.org/10.31254/jahm.2016.2605.

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The present study was carried out to find out the antimicrobial activity of aqueous, acetone and ethyl acetate extract of Morus nigra and Citrus limon. Antimicrobial analysis was done by using agar well diffusion method against bacterial pathogens. Ethyl acetate extract of Morus nigra exhibited the maximum zone of inhibition against Staphylococcus aureus, while ethyl acetate extract of Citrus limon shows maximum zone of inhibition against Bacillus & Staphylococcus aureus. Minimum inhibitory concentrations (MIC) value was determined by using micro broth dilution method. The phytochemical an

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19

Sethi, Poonam, and Nandhagopal Karmegam. "ANTIMICROBIAL ACTIVITIES OF ARTABOTRYS ODORATISSIMUS R.Br." Chemistry & Material Sciences Research Journal 3, no. 1 (2021): 1–5. http://dx.doi.org/10.51594/cmsrj.v3i1.193.

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ABSTRACT Artabotrys odoratissimus R.Br. (Annonaceae) a medium sizes shrub with hooks, sweet smelling flowers and aggregate fruits, was tested for activity against gram negative bacteria. The fruit of the experimental plant was extracted with water, methanol and toluene: methanol (2:1 v/v). Artabotrys fruits showed good antibacterial activity and produced zone of inhibition of 32mm. The methanolic extract of the fruit showed maximum zone of inhibition at 300 ?g/ml against Pseudomonas fluorescens. The present study clearly indicates that A. odoratissimus had a profound antimicrobial activity and

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20

Suke, P. A., A. V. Zope, Sarika W. More, and Manjusha Gaikwad. "Evaluation Of Different Components Against Xanthomonas Axonopodis Pv. Malvacearum." Journal of Plant Disease Sciences 17, no. 2 (2023): 105–8. http://dx.doi.org/10.48165/jpds.2022.1702.04.

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Bacterial blight is a destructive foliar disease causes severe yield reduction in cotton cultivation. Bacterial blight caused by bacterial plant pathogen Xanthomonas axonopodis pv. malvacearum. The paper disc method was used to assess the sensitivity of various chemicals, bioagents, and botanicals against Xanthomonas axonopodis pv. malvacearum. Among the chemicals, Streptomycine sulphate + Tetracycline (Streptocycline) 250 ppm demonstrated the greatest inhibition zone (15.34 mm). Among the antagonistic organism such as Pseudomonas fluorescens was found significantly superior to record the maxi

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21

Samaila, A.B., A.A. Yarma, E.O. Oshomoh, and M. Gabriel. "Antimicrobial Activity of the Leaf and Root Extracts of Kigelia africana and Albizia chevalieri against Staphylococcus aureus." Greener Journal of Microbiology and Antimicrobials 3, no. 1 (2017): 1–7. https://doi.org/10.15580/GJMA.2017.1.012517009.

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The investigation was carried out to determine the antimicrobial activity of the Leaf and Root extracts of <em>Kigelia africana</em>(nonon giwa) and <em>Albizia chevalieri</em> (katsari) against <em>Staphylococcus aureus.</em> Antimicrobial activity was evaluated by disc diffusion method and MIC and MBC were calculated by double fold dilution method. The antimicrobial activity result shows 20mm zone of inhibition Kigelia africana leaf at 100% concentration and 16mm zone of inhibition for albezia chevalieri leaf at same concentration while for the roots 14mm and 11mm zo

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22

Shakya, Alisha, Bhawana Luitel, Pragati Kumari, Ritu Devkota, Puspa Raj Dahal, and Richa Chaudhary. "Comparative Study of Antibacterial Activity of Juice and Peel Extract of Citrus Fruits." Tribhuvan University Journal of Microbiology 6 (December 7, 2019): 82–88. http://dx.doi.org/10.3126/tujm.v6i0.26589.

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Objectives: This study was aimed to compare the antibacterial activity of peel and juice extracts of citrus fruits. Methods: The antibacterial activity of juice and peel extract of five selected citrus fruits [C1- Citrus reticulata (mandarin orange), C2- Citrus limetta (sweet lime), C3- Citrus aurantifolia (lime), C4- Citrus limon (lemon) and C5- Citrus maxima (pommelo)] on three Gram positive and five Gram negative bacterial strains were examined. The juice and peel extract of citrus fruits was obtained by using absolute ethanol. The obtained extracts were dissolved in 1ml 10% v/v DMSO

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M, Lekeshmanaswamy, Anusiya devi K, Manish Kumar B, and Vasuki C.A. "PG and Research Department of Zoology, Kongunadu Arts and Science College, Coimbatore." Kongunadu Research Journal 2, no. 2 (2015): 139–42. http://dx.doi.org/10.26524/krj110.

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In this study Gracilaria edilis, sargassam and Padina gymnospora from Raameshwaram sea, Tamil Nadu were collected, identified and tested against various pathogenic bacteria. In Antibacterial assay Acetone shows the maximum number of activity against the Salmonella typi (32mm) length of inhibtions occurred andAcetone shows the minimum activity against Klebsiella pneumonia (18mm) of the inhibition level. Under the Antifungal assay Acetone shows the maximum activity against the penicillium.sp, (10mm) of the inhibition. Acetone shows the moderate activity against the Aspergillus niger (5mm) of inh

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24

Saleem, Waqar, Beenish Sarfraz, and Sumaira Mazhar. "Combined Effect of Honey, Neem (Azadirachta Indica), and Turmeric against Staphylococcus Aureus and E. Coli Isolated from a Clinical Wound Sample." BioScientific Review 4, no. 4 (2022): 21–44. http://dx.doi.org/10.32350/bsr.44.01.

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Antimicrobial resistance has become evident all over the world. Resistance to antibiotics has become a concern in case of a wide variety of bacterial species, both pathogenic and commensal. More recently, E. coli, pseudomonas, Staphylococcus aureus, Streptococcus, and Enterococci were found to be adversely affecting the healthcare structures of the world, particularly where acute and long-term care facilities are available. Microbial species were identified by Vitek compact-2 and MALDI-TOF, while antibiogram sensitivity was checked using Kirby Bauer disc diffusion and well diffusion method. Th

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Yusuf, Nur Annah Achriana, St Rannah, and Alfrida Monica Salasa. "Phytochemical Screening And Activity Test of Maja Fruit Extract (Aegle Marmelos L.) on Growth Salmonella typhi and Vibrio cholerae." Journal Microbiology Science 3, no. 2 (2023): 1–9. http://dx.doi.org/10.56711/jms.v3i2.974.

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Maja fruit (Aegle marmelos L.) contains secondary metabolites that have antibacterial activity in the form of steroids, flavonoids and saponins, which are not used optimally. The target of this study was to observe the antibacterial activity of Maja fruit (Aegle armelos L.) extract on Vibrio cholera and Salmonella typhi. The extraction method formed by maceration and using 96% ethanol solution then the antibacterial activity was tested on the agar diffusion technique. The results of the study show that the range of inhibition zone diameter (mm) is gradual for the Maja Fruit (Aegle marmelos L.)

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Powar Priyatama V and Powar Trupti A. "In-vitro antibacterial activity of sequential crude extracts from Datura stramonium seeds." Journal of Inventions in Biomedical and Pharmaceutical Sciences 1, no. 1 (2016): 1–4. http://dx.doi.org/10.26452/jibps.v1i1.1417.

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The growing phenomenon of antibiotic resistance, particularly to pathogenic microorganisms, in current medicine, has directed the concern of scientists for finding novel antimicrobial agents from plant origin with negligible side effect. The present study was aimed to phytochemical investigation and antimicrobial activity of seed extract of Datura stramonium in sequentially with different organic solvents. For this, antimicrobial properties were tested against bacteria Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumonia and Bacillus subtilis by cup plate metho

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27

Aneeqa Naz, Azra, Asghar Javaid, et al. "COMPARATIVE STUDY OF ANTIBIOTICS, TOOTHPASTE AND PLANT EXTRACTS AGAINST BACTERIAL PATHOGENS ISOLATED FROM HUMAN GUMS." Pakistan Postgraduate Medical Journal 32, no. 01 (2021): 41–47. http://dx.doi.org/10.51642/ppmj.v32i01.442.

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This study was conducted to find out the effectiveness of some antibiotics, toothpastes, and medicinal plant extracts against the bacterial species isolated from human gums. A total of 125 samples were collected. The male and female patients were with the age from 15-60 years. A total of 27 species were isolated and identified. Among those bacterial species, Streptococcus mutans was most prevalent 29.62%, followed by Lactobacillus acidophilus 22.22%, Streptococcus sobrinus 18.51% and S aureus 14.81% respectively. While Micrococcus spp. 3.7%, Streptococcus sanguinis 3.7%, Actinomyces viscosus 3

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Keer, N. R., J. Singh, and K. L. Meena. "Phytochemical characterization and antibacterial activity of Eclipta alba (L.) L. (Asteraceae) against some dental micro flora from Mewar region of Rajasthan, India." South Asian Journal of Experimental Biology 7, no. 3 (2018): 140–46. http://dx.doi.org/10.38150/sajeb.7(3).p140-146.

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In the current study, phytochemical characterization and antibacterial activi-ty of Eclipta alba (L.) L. leaf extract against some dental micro flora have been investigated. Plant species was collected from Chittorgarh district Mewar region of Rajasthan. Dried leaves were subjected to methanol extrac-tion. Phytochemical investigation was carried out to determine the possible bioactive components in the methanol extract of E. alba leaves using standard methods. All concentrations of the extract exhibited considerable antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, Bacil

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Saha, Suvendu, T. Shivaraj Gouda, and Arunabha Mallik. "Evaluation of Antioxidant and Antimicrobial Activity of Ethanolic Extract of Medicinal Plants Baccaurea Ramiflora and Microcos Paniculata." Chinese Journal of Applied Physiology 40 (2024): e20240014. http://dx.doi.org/10.62958/j.cjap.2024.014.

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Objective: The present study was undertaken to investigate the antioxidant and antimicrobial effect of ethanolic leaf extract of Baccaurea ramiflora and Microcos paniculata. Methods: DPPH radical scavenging activity, Nitric oxide scavenging activity, Super oxide anion radical scavenging activity, Reducing power assay were used to assess antioxidant efficacy. Zone of Inhibition determination by Agar well diffusion assay was used to assess antimicrobial activity. Results: The Baccaurea ramiflora and Microcos paniculata leaves extracted with different solvents such as petroleum ether, chloroform,

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Chandramohan, M., S. W Chan, P. Paulraj, et al. "An in Vitro Analysis of Antibacterial Efficacy of Local Brands of Toothpastes and Mouthrinses in Malaysian Market on Selected Oral Pathogens." International Journal of Engineering & Technology 7, no. 4.14 (2019): 57. http://dx.doi.org/10.14419/ijet.v7i4.14.27471.

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Oral disease affects a considerable portion of population and is considered one of the major causes of tooth loss in developed and developing countries. An in vitro study was conducted to investigate the antimicrobial efficacy of toothpastes and mouthrinses towards oral pathogens which are found to cause most of the oral diseases such as gingivitis and dental plague. In this study, a total of five toothpastes and four mouthrinses were investigated for their antimicrobial activity against five oral pathogens such as Streptococcus salivarius, Streptococcus sanguis, Streprococcus oralis, Streptoc

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Fatima, Tahreem, Nasir A. Rajput, Muhammad Usman, et al. "Moringa olefra Plant Based Copper and Silver Nano Particles and its Antibacterial Activity towards Leaf Spot of Chilli caused by Xanthomonas campestris pv. vesicatoria." International Journal of Phytopathology 12, no. 1 (2023): 63–72. http://dx.doi.org/10.33687/phytopath.012.01.4306.

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Bacterial leaf spot caused by Xanthomonas campestris pv. vesicatoria (Xcv) is one of the most devastating diseases, causing serious losses in chilli crop yield. The extensive usage of chemicals has increased the toxicity of the environment. Nanotechnology products are indeed being developed as a promising approach for plant disease control with minimal impact on the environment. In the present research, the antibacterial activity of green synthesized nanoparticles (Silver and Zinc nanoparticles) was investigated against Xcv. Different concentrations (0.25, 0.6 and 0.75%) of the green synthesiz

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Elias, Firew, Sudhamani Muddada, Diriba Muleta, and Belachew Tefera. "Antimicrobial Potential of Streptomyces spp. Isolated from the Rift Valley Regions of Ethiopia." Advances in Pharmacological and Pharmaceutical Sciences 2022 (June 13, 2022): 1–10. http://dx.doi.org/10.1155/2022/1724906.

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The study was undertaken to isolate, screen, and identify actinomycetes with antimicrobial metabolites. Twenty-one composite soil samples were randomly collected from various unique agroecological niches in the Rift Valley of Ethiopia. The soil samples were serially diluted and spread on starch casein agar medium supplemented with 50 μg/ml cycloheximide and 25 μg/ml nalidixic acid. Two hundred and forty-nine (249) actinomycetes cultures were isolated and screened by cross streaking against various human pathogens. Twenty-four isolates with pronounced antimicrobial activity were selected for id

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Dhore, Mayank Ravindra, and Asha R. Jha. "Antimicrobial activity of Allium cepa and Cinnamomum zeylanicum against common bacteria causing urinary tract infections: in vitro study." International Journal of Basic & Clinical Pharmacology 8, no. 6 (2019): 1185. http://dx.doi.org/10.18203/2319-2003.ijbcp20192182.

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Background: This study was undertaken to investigate and compare the antimicrobial effect of Onion bulbs (Allium cepa) and cinnamon bark (Cinnamomum zeylanicum) against some common bacteria causing Urinary tract infection.Methods: Antimicrobial activity of the plant extract in different concentrations was observed. Commonly isolated bacteria from the urine samples of suspected and untreated patients which were found to be E. coli, Klebsiella pneumoniae and Pseudomonas aeruginosa.Results: The comparison between zones of inhibition showed a statistically significant data of both Allium cpea and

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Kumar, M. Sathish, M. Saroja, and M. Venkatachalam. "Acalypha indica and Curcuma longa plant extracts mediated ZnS nanoparticles." Material Science Research India 16, no. 2 (2019): 174–82. http://dx.doi.org/10.13005/msri/160210.

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The development of biomedical electronics, biosynthesis of ZnS nanoparticles(NPs) much attracted researchers, due to an eco-friendly and cost-effective routes forsynthesisZnSnanoparticles. In this present work, ZnS NPswas synthesized by using acalypha indica and curcuma longa plant extract using chemical co-precipitation method. The structural, morphological, element composition of biosynthesisZnS NPs was characterized by XRD, SEM and EDAX respectively. Optical and photoluminescence (PL) properties were evaluated by UV Visible spectroscopy. The formation of inhibition zone diameter against hum

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R, S. A. Sorna Kumar, J. Hariprasanth R, Prem Siddharth M, Gobinath M, and Rajukutty C. "Evaluation of the Antioxidant, Antimicrobial, Antidiabetic and Hemolytic Activity of Organically Grown Solanum nigrum and Solanum xanthocarpum." International Journal of Current Pharmaceutical Review and Research 7, no. 5 (2016): 296–99. https://doi.org/10.5281/zenodo.12680721.

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Medicinal plants have been recognized and used throughout human history. Plants produce many chemical compoundsthat are for biological functions, including antioxidant, anti-diabetic, antimicrobial and hemolytic activities. In this presentstudy, it was found that the leaf and fruit extracts of S. nigrum and S. xanthocarpum actively inhibited the growth of themicrobes, had minimum hemolytic property, proficient anti-diabetic and anti-oxidant property. For S. nigrum, water andmethanolic extract of fruit gave the maximum concentration (0.73±0.011 mg BSAE and 0.172±0.004 mg GAE) of t

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Reshi, N. A., and N. A. Raytekar. "Evaluation of Antimicrobial Potential of Anisochilus carnosus L. (Wall)." Journal of Pharma and Drug Regulatory Affairs 2, no. 1 (2019): 1–5. https://doi.org/10.5281/zenodo.3405732.

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<em>An investigation was carried out to assess the antimicrobial potential of Anisochilus carnosus against Proteus vulgaris, E. coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Candia albicans, Microsporum canis, Microsporum gypseum and Alternaria alternata. Aqueous and different organic solvent extracts were screened against test microorganisms by Disc diffusion method followed by determination of Minimum inhibitory concentration (MIC) of the active extracts by two fold serial dilution method. Significant antibacterial activity was observed in methanol extract against P. aeruginosa with 3

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Waleed O.A. KaramAlla, Waleed O. A. KaramAlla, Hadia Abass Eltaib Hadia Abass Eltaib, Ghanem M. Mahjaf Ghanem M. Mahjaf, and Mosab Nouraldein Mohammed Hamad Mosab Nouraldein Mohammed Hamad. "Detection of Antifungal Activity of Cinnamon Extract on Candida Species Isolated from Diabetic Patients with Urinary Tract Infection Pre-COVID-19 Era." SAR Journal of Pathology and Microbiology 3, no. 1 (2022): 5–9. http://dx.doi.org/10.36346/sarjpm.2022.v03i01.002.

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This study aimed to evaluate the antifungal activity of Cinnamon extract on Candida species isolated from 100 diabetic patients suffering from urinary tract infection between May to August 2018. Twenty-five Candida species were isolated, different Candida species were isolated then identified biochemically, in vitro sensitivity testing using well diffusion technique against Cinnamon extract was done. The cinnamon extract showed good antifungal activity against Candida species. The largest zone of inhibition against Candida tropicalis was (25 mm) and the least zone of inhibition was against Can

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Sanjana, Akter, and Nazneen Sultana Dr. "In-Vitro Management of Erwinia carotovora the Causal Organism of Potato Soft Rot Disease." International Journal of Environmental & Agriculture Research 4, no. 10 (2018): 30–34. https://doi.org/10.5281/zenodo.1473976.

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<strong><em>Abstract</em></strong><strong>—</strong><em>In vitro efficacy six chemical substance were evaluated against Erwinia carotovora the causal organism of potato soft rot disease. E. carotovora was isolated from diseased potato tubers by dilution plate technique and different biochemical and pathogenicity test were performed to confirm the bacterial species. Six chemicals viz. Copper Oxychloride @ 0.2%, Mancozeb @ 0.2%, Boric acid @ 0.1%, Kasugamycin @ 0.02%, Carbendazim @ 0.3% and Sodium Hypochlorite @ 0.2% were tested against E. carotovora subsp. carotovora by well diffusion met

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Sharma, Aditi, Mamta Devi Sharma, Anup Kumar Sinha, Puranjan Mishra, and Saurabh Kulshrestha. "Study on phytochemical, antibacterial and antioxidant properties of Genitiana kurroo Royle." Maejo International Journal of Energy and Environmental Communication 4, no. 1 (2022): 34–43. http://dx.doi.org/10.54279/mijeec.v4i1.247676.

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Gentiana kurroo Royle is an endangered bitter medicinal plant of the Indian subcontinent region. This medicinal plant mainly grows in Kashmir, Himachal Pradesh, and North-west Himalayas. Native people frequently use the medicinal plant’s root and rhizome for various local remedies. The leaf and root samples of the plant were studied for their phytochemicals screening and antibacterial and antioxidant properties. The methanolic root extract as a comparison to methanolic leaf extract was detected with high concentration of phytochemicals like alkaloids, flavonoids, saponins, phenol, glycosides w

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maniyan, Gandhi, and Ranjith C. "STUDIES ON THE ANTIBACTERIAL ACTIVITY AND PHYTOCHEMICAL ANALYSIS OF ROSA INDICA L." International journal of multidisciplinary advanced scientific research and innovation 1, no. 5 (2021): 60–69. http://dx.doi.org/10.53633/ijmasri.2021.1.5.

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Medicinal plants are extensively used in traditional medicine to cure various infectious diseases in human. Plant based natural constituents can be derived from any part of the plant like bark, leaves, flowers, roots, fruits, seeds, etc. Medicinal plants are commonly used in the cure of diseases since times immemorial. In the present study methanol, chloroform and aqueous extracts of Rosa indica L. leaf were subjected for antimicrobial activity by well-diffusion method in the case of evaluate the antibacterial activity of Petroleum ether extract of Rosa indica L.extract against gram-positive c

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Pathak, Ashima, Sonali Raturi, Shivani Sharma, and Neetu Thakur. "Copper Oxide Nanoparticles: Synthesis from Citrus Fruits and Coconut Coir and their Antimicrobial Activity." International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN) 17, no. 5 (2024): 7565–71. https://doi.org/10.37285/ijpsn.2024.17.5.2.

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Background: nanotechnology has been one of the most active research fields in present times. Methods: The copper oxide (CuO) nanoparticles (NP) were synthesised from aqueous extracts of coconut coir and citrus fruits (lemons, oranges, and tangerines). Results: The characterization of nanoparticles was done by UV/Vis and FT-IR spectroscopy. These were examined for their activity against E. coli (gram-negative) and Bacillus species (gram-positive). The highest activity was observed at a maximum dose of 200 mg/ml. In all four samples (different dilutions), both strains exhibited a moderate zone o

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Hasan, Alaa M., Sura M. Abdul Majeed, and Rusol M. Al-Bahrani. "Investigating the Inhibitory Effect of Silver Nanoparticles against Some Species of Candida and Pathogenic Bacteria." Cihan University-Erbil Scientific Journal 4, no. 1 (2020): 32–36. http://dx.doi.org/10.24086/cuesj.v4n1y2020.pp32-36.

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Silver nanoparticles synthesized from aqueous extract of mushroom Pleurotus ostreatus exhibited inhibitory effect at the concentration of 12.5, 25, 50, and 100 mg/ml against some pathogenic bacteria and fungi such as Candida albicans, Candida guilliermondii, Candida krusei, Candida zeylanoides, Geotrichum klebahnii, Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. The maximum inhibition zone was observed against C. zeylanoides at the concentration of 100 mg/ml was 24.5 mm, while the minimum inhibition zone was observed against Geotrichum at the concentration of 25 mg/ml was

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Irshad, Aqsa, Irfan Ullah, and Muhammad Fiaz Khan. "Antibacterial and antioxidant effects of Zanthoxylum armatum DC extracts." Bangladesh Journal of Botany 50, no. 1 (2021): 159–64. http://dx.doi.org/10.3329/bjb.v50i1.52683.

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Antibacterial and antioxidant activities of three different extracts (acetone, methanol, and n-hexane) of Zanthoxylum armatum fruits and leaves were investigated. The maximum inhibition zone was shown by methanolic leaf extract against K. pneumonia (20.51 ± 0.93). The minimum inhibition zone (12.01 ± 0.93) was exhibited by methanolic fruit extract against S. typhi. The highest antioxidant activity was recorded at 1000 ppm. Methanolic leaf extract was the most antioxidant (89.8%) among all the extracts, followed by methanolic fruit extract (88.6%). The methanolic and acetonic extracts showed go

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AGHIMIEN, M. O., B. B. MOROTIONMWAN, and K. ERUKUNUAKPOR. "ASSESSMENT OF THE ANTIMICROBIAL ACTIVITY OF OLIVE OIL AGAINST SOME BACTERIAL FOOD PATHOGENS." Nigerian Journal of Life Sciences (ISSN: 2276-7029) 1, no. 2 (2011): 129–34. http://dx.doi.org/10.52417/njls.v1i2.50.

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Extra virgin olive oil sample was screened against isolates of Staphylococcus aureus, Escherichia coli, Enterobacter aerogenes, and Yersinia enterocolitica using the agar well diffusion method. Most of the microorganisms screened were sensitive to the olive oil and this was dose dependent. The most sensitive organism at 100% dilution was S. aureus with a zone of inhibiton of 36 mm, followed by E. coli and E. aerogenes both having 26 mm inhibiton. The least sensitive was Y. enterocolitica with a zone of 18 mm while absolute resistance was observed in A. niger (0 mm) even at the highest concentr

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Amit and Narender Singh. "Studies on antimicrobial activity of Lawsonia inermis L. against different strains of bacteria and fungi." Journal of Applied and Natural Science 14, no. 1 (2022): 247–53. http://dx.doi.org/10.31018/jans.v14i1.3337.

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Natural plant products are a significant source of synthetic and traditional medicines. The majority of the world population, especially in developing countries, is dependent on herbal formulations for their primary health care needs. Lawsonia inermis is a popular medicinal plant and possess many pharmacological properties. The present study was carried out to estimate the antimicrobial activity of L inermis leaves of the mother plant, regenerated plants and callus extract to justify the pharmaceutical aspect of the plant to provide herbal plant products as phytochemistry in Ayurveda as well a

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Veilumuthu, P., and Christopher J. Godwin. "Antimicrobial compounds produced by Streptomyces sp. VITGV01 against selected human pathogens." Research Journal of Biotechnology 17, no. 12 (2022): 16–28. http://dx.doi.org/10.25303/1712rjbt16028.

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Streptomyces are well known to produce a large number of diverse compounds. An endophytic actinomycete, Streptomyces sp. VITGV01 was isolated from a farm tomato plant. Isolated actinomycetes are cultured in ISP2 medium supplemented with nystatin (15μg/ml) and nalidixic acid (50μg/ml). A total of 240 actinomycetes were isolated and 77 showed antimicrobial properties. One strain that exhibited a high zone of inhibition on primary screening was selected (VITGV01). The SEM studies revealed filamentous tubular structures with continuous aerial hyphae differentiated into tiny, smooth-surfaced chainl

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Sayeed, Mohammed Abu, Altaf Hossen, Repon Saha, and Md Jakaria. "Antimicrobial activities of isolated probiotics and their metabolites against some pathogenic microorganisms." IIUC Studies 14, no. 1 (2018): 21–28. http://dx.doi.org/10.3329/iiucs.v14i1.37652.

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The study was aimed to finding the antimicrobial activities among probiotics isolated from different yoghurts and their metabolites against some common bacterial pathogens. The nutrient agar media overlay method (Disc diffusion Method) was used to determine the presence of antibacterial effects among the isolated probiotics. Probiotics produced potential antibacterial activities against several pathogenic bacteria and fungi. The maximum antibacterial property (13.5 mm of zone of inhibition) of bacterial strain found against Salmonella paratyphi. Conversly, bacterial metabolites produced maximu

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Kar, Dattatreya, Pratap Keshari Pattanaik, Bibhudutta Pattnaik, and Ananya Kuanar. "ANTIMICROBIAL ANALYSIS OF DIFFERENT PARTS EXTRACT IN DIFFERENT SOLVENT SYSTEM OF A WASTE WEED - CALOTROPIS PROCERA." Asian Journal of Pharmaceutical and Clinical Research 11, no. 2 (2018): 227. http://dx.doi.org/10.22159/ajpcr.2018.v11i2.21081.

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Objective: In the current study, we have focused on the major secondary metabolite containing parts such as flower, leaf, and root for phytochemical extraction with three different solvent systems to make a comparative study against three virulent bacteria species which are capable of intestinal infection, pneumonia, skin infections, and food poisoning.Methods: Antimicrobial activity of ethanol, methanol, and chloroform extracts from bark, leaves and roots of Calotropis procera, was examined against three virulent bacteria species: Escherichia coli, Staphylococcus aureus, and Bacillus subtilis

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Islam, Md Zahidul, Jannat Al Foisal, Mahbubur Rahman, et al. "Extraction, Radical Scavenging and Antimicrobial Activity of Essential Oils of Root of Dryopteris marginalis." Asian Journal of Chemistry 31, no. 11 (2019): 2512–16. http://dx.doi.org/10.14233/ajchem.2019.22109.

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The aim of the study was to characterize the chemical constituents and determine antibacterial and antioxidant activities of essential oils and three different extracts of Dryopteris marginalis. The root had essential oil yield of 0.36 % (w/w) in which 12 organic compounds representing 97.22% of the root oils were identified. Tyranton was found as the most abundant component with 77.571 % of the total concentration in the essential oil. The zones of inhibition of different organic extracts against the tested bacteria were found in the range of 6.5-15 mm. Pseudomonas was the most vulnerable wit

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Kulshrestha, Reena, J. Kranthi, P. Krishna Rao, Feroz Jenner, V. Abdul Jaleel, and G. Maheswar. "Evaluating the Antimicrobial Activity of Commercially Available Herbal Toothpastes on Microorganisms Associated with Diabetes Mellitus." Journal of Contemporary Dental Practice 14, no. 5 (2013): 924–29. http://dx.doi.org/10.5005/jp-journals-10024-1427.

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ABSTRACT Aim The present study was conducted to evaluate the efficacy of commercially available herbal toothpastes against the different periodontopathogens. Materials and methods Six herbal toothpastes that were commonly commercially available were included in the study. Colgate herbal, Babool, Meswak, Neem active, Dabur red toothpastes were tested for the study whereas sterile normal saline was used as control. Antimicrobial efficacies of dentifrices were evaluated against Streptococcus mutans and Actinobacillus actinomycetemcomitans. The antimicrobial properties of dentifrices were tested b

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