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87 results for “antibacterial activity”
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Research ArticleOpen accessIn the abstractBio-Guided Study on Melastoma malabathricum Linn Leaves and Elucidation of its Biological ActivitiesMourouge Saadi Alwash, Nazlina Ibrahim, Wan Yaacob AhmadThe present study aimed to isolate and identify constituents with antibacterial activity from the Methanol extract of Melastoma malabathricum leaves (MMML) through bioassay guided fractionation. Furthermore, the study scoped to evaluate the cytotoxic effects of M. malabathricum leaves fractions for possible protective effect of antoxidative constituents present in the fractions. The MMML extract was fractionated by Vacuum Liquid Chromatography (VLC) … …American Journal of Applied Sciences, Vol. 10, Issue 8 · 24 Jul 2013 · 9,519 accessesView PDFCite
Research ArticleOpen accessIn the abstractIdentification and Mode of Action of Antibacterial Components from Melastoma malabathricum Linn LeavesMourouge Saadi Alwash, Nazlina Ibrahim, Wan Yaacob AhmadThe present study aimed to assess the antibacterial activity of the methanol extract of Melastoma Malabathricum Leaves (MMML), active fraction of M. Malabathricum Leaves (ML5) and isolated kaempferol-3-O-(2",6"-di-O-p-trans-coumaroyl)-β-glucopyranoside (Kf) and to describe the preliminary mode of action against Gram-positive and Gram-negative bacteria. The MMML extract was fractionated by Vacuum Liquid Chromatography (VLC) to afford M. malabathricum Leaves fractions (ML1-ML6) of … …American Journal of Infectious Diseases, Vol. 9, Issue 2 · 18 Jun 2013 · 12,627 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntidiarrheal Activity of Apus Bamboo (Gigantochloa apus) Leaf Extract and its Bioactive CompoundsNoryawati Mulyono, Bibiana Widiyati Lay, Laora Ocktreya, Sri RahayuMost of every part of bamboo plants had economical value. The wood is used as building and furniture, the shoot is processed as health foods and medicines, the root and culms are used as traditional medicine. The leaf has been believed that it could heal diarrhea in piglets, rabbit, poultry and calves. This research was designed to investigate the inhibition … …Current Research in Microbiology, Vol. 4, Issue 1 · 19 Jan 2013 · 9,594 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioassay Guided Isolation of Antibacterial Compounds from Andrographis paniculataAbubakar Sule, Qamar Uddin Ahmed, Othman Abd. Samah et al.Problem statement: Chronic disease-causing bacteria of medical importance have developed resistance to antibiotics, hence, necessitating distinct and constant need for safe and efficient therapeutic agents. Plants are considered potent candidate for this aim. A way out of reducing antibiotic resistance and adverse effects on host is the employment of antibiotic resistance inhibitors of plant origin. Approach: About 5 kg pulverized … …American Journal of Applied Sciences, Vol. 8, Issue 6 · 13 Jun 2011 · 10,027 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Phytochemical Contents and Antimicrobial Activities of Malaysian Calophyllum RubiginosumSuhaib Ibrahim ALkhamaiseh, Muhammad Taher, Farediah AhmadProblem statement: Many species of plants in Malaysia are widely used in folk medicine. However, Calophyllum species have been used in traditional medicine for their therapeutic values for many years. Several studies reported that antimicrobial, antifungal, anti-HIV and anti-cancer compounds were isolated from numerous Calophyllum species. Approach: The stem bark was extracted by EtOH, after with it was fractionated with … …American Journal of Applied Sciences, Vol. 8, Issue 3 · 25 Mar 2011 · 7,579 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntitumor and Quantitative Structure Activity Relationship Study for Dihydropyridones Derived from CurcuminBahjat A. Saeed, Kawkab Y. Saour, Rita S. Elias et al.Problem statement: Pyridones are known to have variety of biological activities like antitumor, antibacterial, antiinflamatory and antimalarial activities. This study presented antitumor evaluation of dihydropyridones derived from curcumin, as well as curcumin for comparison. Approach: The compounds evaluated for a preliminary estimation of the in vitro tumor inhibiting activity against 11 of tumor cell lines by using Microculture Tetrazolium assay … …American Journal of Immunology, Vol. 6, Issue 1 · 31 Mar 2010 · 8,265 accessesView PDFCite
Research ArticleOpen accessIn the abstractScreening of Actinomycete Isolates from Niche Habitats in Manipur for Antibiotic ActivityDebananda S. Ningthoujam, Suchitra Sanasam, Salam NimaichandProblem statement: The exhaustion of the usual terrestrial sources and the rise of resistant pathogens dictate the search for novel actinomycetes and new antibiotics. In this context, niche habitats such as caves, pristine forests, lakes, rivers, and other wetlands, high salt environments, marine ecosystems and endophytic niches are promising targets for survey of bioactive actinomycetes. Approach: Actinomycetes were isolated from … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 7,772 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Dietary Curcumin on Rumen Fermentation, Macronutrient Digestion and Nitrogen Balance in Beef CattleT. Vorlaphim, M. Phonvisay, J. Khotsakdee et al.Abstract: Problem statement: Previous studies have shown that curcumin has antibacterial activity. It was hypothesized that the feeding of curcumin to ruminants may disturb rumen function and affect macronutrient digestibility and nitrogen utilization. Approach: In an experiment with Latin-square design, beef cattle were fed rations consisting of urea-treated rice straw and concentrates without or with 0.1 or 0.2% added curcumin. … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 26 Jul 2011 · 9,157 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordPhytochemical Composition, Antibacterial, and Antioxidant Properties of Foeniculum vulgare Essential OilSaif M. Dmour, Saqr Abushattal, Sultan Ayesh Mohammed Saghir et al.This study intended to inspect the phytochemical composition and bioactivity of Fennel (Foeniculum vulgare) Seed Essential Oil (FSEO) from Jordan. The EO was extracted via hydrodistillation from air-dried samples with 4.42% (v/w) yield. Twenty compounds, constituting around 98.5% of the EO were identified using Gas Chromatography-Mass Spectrometry (GC-MS). Estragole (47.15%) and Anethole (36.2%), appeared as predominant oxygenated monoterpenes compounds in … …OnLine Journal of Biological Sciences, Vol. 25, Issue 3 · 1 Aug 2025 · 4,640 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordIn Vitro Antimicrobial Activity of Modified Lysozyme (Lys 90) and Herbal Extracts Against Multidrug-Resistant Escherichia coliEni Kusumaningtyas, Bagem BR Sembiring, Andriani et al.The emergence of Antimicrobial Resistant (AMR) poses a significant challenge to the poultry farming industry. This study investigated the potential of Lysozyme (Lys), modified Lysozyme (Lys 90), an herbal extract, and their combination (herbs + Lys 90) as alternative antimicrobial agents against Multidrug-Resistant Escherichia coli (MDR-E. coli). Lys 90 was prepared by heating Lys at 90 °C for 20 minutes. … …OnLine Journal of Biological Sciences, Vol. 25, Issue 3 · 1 Dec 2025 · 2,079 accessesView PDFCite