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294 articles for “Antimicrobial Activities”
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Green Synthesis and Characterization of Silver Nano-conjugates Using Heliotropium indicum and Glycosmis pentaphylla Leaf Aqueous Extracts
Abstract: Heliotropium indicum Linn. (Family Boraginaceae), an annual herbaceous medicinal plant, is usually known as Indian heliotrope. Glycosmis pentaphylla (Retz.) DC (Family Rutaceae) is a perennial shrub, commonly known as orange-berry. These traditionally used medicinal plants originate from tropical and temperate parts of the world along with India, Southeast Asia, Northern Australia, and some other African countries. Extensive literature studies suggested that the different parts of the plant are reported to …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 2, 2019 · pp. 22–30 Read article
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JRK’s Immuno BS Herbal tonic- An Immune modulator with broad spectrum anti-microbial activity
Abstract: The present study deals with the antimicrobial property of 13 herbs namely Indigofera aspalathoides, Celastrus paniculatus, Corallocarpus epigaeus, Solanum trilobatum, Ocimum sanctum, Wrightia tinctoria, Bacopa monnieri, Piper longum, Piper nigrum, Zingiber officinale, Tinospora cordifolia, Leucas aspera, Piper betle that are present in JRK’s immune BS herbal tonic, a proprietary siddha medice from Dr.JRK’s Research and Pharmaceuticals Pvt ltd. The herbal tonic, which is prescribed for pediatric group for its immune …
Published in Research & Reviews : Journal of Herbal Science · Vol. 8, Issue 2, 2019 · pp. 16–18 Read article
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Antimicrobial, Antioxidant Evaluation of Majestic Darjeeling Green and Black Tea during Storage
Abstract: Three months storage in ambient temperature and humidity causes the changes in biochemical (antioxidant) and antimicrobial properties of Darjeeling green and black tea. Having higher extent of total polyphenol and non-enzymatic antioxidant flavonoid content green teas are able to show higher antioxidant and antimicrobial activities against different microorganisms. Due to manufacturing procedures (greater extent of fermentation) some of the enzyme activities (including antioxidant enzyme catalase, phenylalanine ammonia lyase) are lowered …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 5, Issue 3, 2015 · pp. 24–34 Read article
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Comparison between Methanolic and Ethanolic Extract of Calendula offcinalis (Antimicrobial agent) against Gram-Positive and Gram-Negative Bacteria
Abstract: The aim of the present study was to determine the antimicrobial study of methanolic and ethanolic extracts of marigold/zendu (Marathi) (Calendula officinalis linn.) petals against gram-positive and gram-negative pathogens. The antimicrobial study of C. officinalis extracts has been evaluated by disc diffusion method against number of bacteria and methanolic extract of C. officinalis exhibited better antibacterial activity against most of the bacteria tested, than ethanolic extract. Both methanol and ethanol …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 3, 2018 · pp. 22–25 Read article
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Synthesis of Some Novel Formazan Derivatives with Potential Antimicrobial Spectrum
Abstract: A sequence of new substituted formazan derivatives has been synthesized from corresponding aryl diazonium chloride and Schiff base in pyridine. The synthesized compounds were recognized by spectral studies and screened for the antimicrobial activities for those drugs. Keywords: Schiff Base, Formazan, Antimicrobial ActivityCite this Article:Jain A, Radiya P. Synthesis of Some Novel Formazan Derivatives with Potential Antimicrobial Spectrum. Research & Reviews: A Journal of Drug Design & Discovery. 2015; 2(1): …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 2, Issue 1, 2015 · pp. 1–5 Read article
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Green Synthesis of Silver Nanoparticles and its Applications—A Review
Abstract: AbstractSilver has been used time immemorial in the household for its antimicrobial activity. Due to advancement in healthcare research, antibiotics with better antimicrobial activities were developed by human beings. Due to overuse of antibiotics, pathogenic microorganisms start developing resistance against antibiotics. Nowadays antibiotic resistance has become a major healthcare problem. This shifted healthcare researchers to exploit antimicrobial property of silver to combat against resistant pathogenic microorganisms. Nanotechnology has emerged as …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 3, 2017 · pp. 1–22 Read article
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Synthesis and Chemical Characterization of Novel Series of Benzoxazinone Derivatives
Abstract: The objective of the current work is to synthesize some novel benzoxazinone derivatives and to study their antibacterial activity in particular. Thus an effort has been made in this direction. The antimicrobial activity of the synthesized some novel benzoxazinone derivative is summarized.As estimated, benzoxazinone derivatives exhibited significant to moderate antimicrobial activity. Therefore, a detailed study of toxicity is necessary. Heterocycles formed the sites of reactions in many enzymes or co-enzymes. …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 5, Issue 3, 2018 · pp. 41–57 Read article
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Synthesis and Antimicrobial Evaluation of Novel Benzimidazolyl Chalcones
Abstract: A new synthesis of benzimidazolyl chalcones derivatives of N1-[4-(1H-benzo[d]imidazol-2-yl) phenyl] derivatives were synthesized. These compounds have been characterized by detailed IR and NMR spectral analysis and have been screened for their antimicrobial activity in-vitro against bacterial Strains of Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumonia, Staphylococcus aureus, and Bacillus subtelis, and fungal strains of Aspergillus niger and Candida albicans were used. Most of the tested compounds exploited potent antimicrobial activity with …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 4, Issue 3, 2017 · pp. 22–29 Read article
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Antibacterial Activity and Preliminary Phytochemical Screening of the Extracts of the Bark of Moringa oleifera
Abstract: Ethyl acetate, acetone, methanol and aqueous extracts of the bark Moringa oleifera were screened against the enteric pathogens isolates namely, Esherichia coli, Shigella sonnei and Salmonella enteritis. All the extracts other than aqueous extract showed antimicrobial activity with the methanol extract having the percentage of activity. Preliminary phytochemical screening revealed the presence of and tannins in the methanol extract. Keywords: Moringa oleifera, bark, antimicrobial activity, flavones, tannins
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 1, Issue 2, 2014 · pp. 1–4 Read article
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In Vitro Screening of Antibacterial Potentiality of Some Important Flowers’ Extracts Against Some Pathogenic Bacteria
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 The present investigation was carried out to screen and evaluate the antibacterial activities of different flowers, namely, Calendula officinalis, Rosa damacena, Hibiscus rosa-sinensis, Datura stramonium, Bougainvillea stabilis, and Vinca rosea. These flowers were screened for potential antibacterial activity against some important bacterial Gram negative and Gram positive bacteria strains, namely Escherichia coli, Salmonella typhi, Staphylococcus aureus, and E. faecalis. Dried leaf …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 1, Issue 3, 2011 · pp. 9–19 Read article
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Anti-Microbial Potential of Onion Peel Extracts
Abstract: Onion (Allium cepa L.) is a source of bioactive compounds, particularly flavonoids such as quercetin, and possesses antioxidant and beneficial properties to health. Onion skin, which is normally considered as waste, has more of these compounds compared to the edible portion. This research sought to isolate and analyze the antioxidant and antimicrobial activity of onion skin with ethanol and hexane using Soxhlet and column chromatography techniques. Antioxidant activity was maximum …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 15, Issue 3, 2025 · pp. 1–10 Read article
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Extraction of Essential Oil and Anti-bacterial Activity Determination of Cassia tora Seed on some Selected Microorganisms (Staphylococcus aureus, Trichophyton rubrum and Streptococcus species)
Abstract: Essential oils have been used for extensive applications of variety of wellness throughout documented history. With massive advancement in science, essential oils today have undergone numerous refining methods to give an improved effect. The aim of this study was to extract and investigate the functional properties of Cassia tora seed oil through analytical profiling using gas chromatography. In the gas chromatographic analysis two chromatographic conditions used were the same except …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 3, 2020 · pp. 12–20 Read article
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Evaluation of Antibacterial Sensitivity of Euphorbia hirta Linn. Leaf Extract
Abstract: AbstractEuphorbia hirta L. (Asthma Lata), a pantropic herbaceous wild plant which has been widely used as a medicinal plant throughout Bangladesh. The present study was designed to evaluate the antimicrobial activity of ethanolic and methanolic leaf extracts of E. hirta against six pathogenic bacteria viz. Bacillus subtilis, Sarcina lutea, Xanthomonas campestris, Escherichia coli, Klebsiella pneumonia and Pseudomonas sp. by disc diffusion method. Both crude extracts of E. hirta exerted the …
Published in Research & Reviews : Journal of Herbal Science · Vol. 2, Issue 1, 2013 · pp. 13–17 Read article
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Isolation and Characterization of β -D-Glucan from Yeast and its In Vitro Biological Study
Abstract: In many microorganisms, fungi and algae, β-D-glucan can be found as cell wall polysaccharide. Various publications describe the strong positive influence of these glucans on the immune system comprising antibacterial, woundhealing and antitumor activities. Recently, it was found that β-D-glucan from the yeast Saccharomyces cervisiae also exhibit antioxidative capabilities. In the present study, the β-D-glucan was isolated from the cell wall of yeast and it is characterized by chromatographic, spectroscopic …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 1, 2012 · pp. 16–23 Read article
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Evaluation of Bioactive Compounds and Antibacterial Effect of Xanthium Indicum
Abstract: AbstractXanthium indicum L. is a common herbaceous weed found in India. One gram of the plant leaf was taken and different biochemical constituents, viz., moisture content, total carbohydrates, chlorophyll, free fatty acid, glucose, total lipid, protein, amino acid, calcium ascorbic acid and total alkaloid were estimated. The results indicated that significantly low levels of moisture content, total carbohydrates, chlorophyll and free fatty acid were present in the plant material. At …
Published in Research & Reviews : Journal of Herbal Science · Vol. 3, Issue 2, 2014 · pp. 25–29 Read article
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Chitosan-Based Polymer Coatings for Antimicrobial Catheter Surfaces
Abstract: Catheter-associated infections (CAIs) remain a major clinical challenge. Microbial adhesion and subsequent biofilm formation on catheter surfaces significantly reduce the effectiveness of antimicrobial therapy, resulting in prolonged hospitalization, increased healthcare costs, and higher patient morbidity. Consequently, the development of antimicrobial polymer coatings has emerged as an effective strategy for minimizing catheter-associated infections while improving device performance. Among the various biomaterials investigated, chitosan has attracted considerable attention owing to its intrinsic …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Surajmukhi (Helianthus annuus L.): Medicinal Importance in Unani Literature and Modern Evidence
Abstract: Helianthus annuus L. (Sunflower), belonging to the family Asteraceae, is a well-recognized plant in both traditional and modern systems of medicine. In Unani medicine, it is described under the name “Shams-ul-Nahar,” attributed with specific Mizaj (temperament) and pharmacological actions. The plant is considered to possess a hot and moist temperament (Har Ratab), and different parts, including its seeds, oil, and leaves, have been employed in classical formulations. Sunflower seeds are …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 14, Issue 3, 2025 · pp. 68–75 Read article
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Assessment of In Vitro Probiotic Potential of Lactic Acid Bacteria
Abstract: AbstractProbiotic potential of fermented milks isolates Lactobacillus rhamnosus NS6, Streptococcus thermophilus MD2 and Streptococcus thermophilus MD8 were carried out by performing various in vitro tests. MD2 and MD8 were able to survive at pH 2 and 3 in broth, while NS6 was found to be pH sensitive and could not survive at pH 2, but maintained its viability at 3 pH. All the cultures were able to survive at 0.5 …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 5, Issue 1, 2016 · pp. 17–30 Read article
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Formulation And Evaluation of Anti-Microbial Cream by Using Cucurbita Pepo Seed Oil
Abstract: This study is focused on the “Formulation and evaluation of anti-microbial cream from Cucurbita pepo seed oil. This combination contained fresh seed oil extract from Cucurbita pepo belonging to family Cucurbitaceae. Pure Cucurbita pepo essential oil was collected in store. This is extracted cold pressed method. This seed oil contains tocopherol, sterols, carotenoids, vitamin C, vitamin A, Zn, Mg, fatty acids (omega-6 and omega-3 fatty acids. Cucurbita pepo seed oil, …
Published in Trends in Drug Delivery · Vol. 9, Issue 3, 2022 · pp. 42–57 Read article
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Study of the Antimicrobial Potential of Consortiums of Hot Alcoholic Extract of Plants against Multidrug Resistant Bacteria Including One Vancomycin-Resistant Staphylococcus aureus (VRSA)
Abstract: Increasing antibiotic resistance exerts threatening implications in human health care. It subsequently increases the need to develop an alternative strategy to counter the growing concern against the superbug infection in open wounds. In the present study, two combinations of herbal alcoholic extracts have been assessed for antimicrobial activity against the isolates collected from human burn wound sample and biopsies. Total of 42 strains have been isolated and screened for its …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 9, Issue 3, 2019 · pp. 18–25 Read article