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123 articles for “Antibacterial”
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Research ArticleOpen accessEvery word in the titleExtraction of Essential Oil from Nigella sativa Using Supercritical Carbon Dioxide: Study of Antibacterial ActivityNagi A. Alhaj, Mariana N. Shamsudin, Hana F. Zamri, Rasedee AbdullahThe antimicrobial activity of N. sativa essential oil obtained by supercritical fluid extraction by carbon dioxide was investigated against Gram Positive and Gram negative strains, isolated from clinical specimens. Best conditions for Black cumin oil extraction are obtained at 400 bar, 40°C and a solvent flow rate of 25 g min-1. The seed extracts were prepared by supercritical fluid extraction … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 4 · 31 Dec 2008 · 8,210 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Crude Aqueous Extract of Piper betle L. and its Antibacterial Effect Towards Streptococcus mutansT. Nalina, Z.H.A. RahimIn this study, the antimicrobial influence of crude aqueous extract of Piper betle L. on Streptococcus mutans (S. mutans) was investigated. The focus of the antimicrobial effects includes the ultrastructure and acid producing properties of S. mutans. Transmission electron microscopy (TEM) was used to determine the effect of the extract on the ultrastructure of S. mutans. Analysis of the effect … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 1 · 31 Mar 2007 · 13,465 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntibacterial and Antioxidant Activities of Banana (Musa, AAA cv. Cavendish) Fruits PeelMatook Saif Mokbel, Fumio HashinagaThe fresh green and yellow banana peel of, (Musa, cv. Cavendish) fruits were treated with 70% acetone, which were partitioned with chloroform (CHCl3) and ethyl acetate (EtOAc), sequentially. The antioxidant activities of the extracts were evaluated by using the thiocyanate method, β-carotene bleaching method and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical elimination. While, antimicrobial activities of the extracts and isolated components were … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 3 · 30 Sep 2005 · 16,041 accessesView PDFCite
Research ArticleOpen accessIn the keywordsUse of Plectranthus amboinicus in Feeding Fattening PigsAngel Roberto Sánchez, Mayte Madelaine Vega Tinoco, Esmeralda Dioselina Pimbosa Ortiz et al.This research was developed at the Hacienda "Los Hermanos" belonging to the company Super Mac, located in Balao canton, Guayas province, coastal region of Ecuador, the purpose of this study was to evaluate the effect of the inclusion of ground dehydrated P. amboinicus in the feed of fattening pigs on their productive parameters and antibacsterial response. Four treatments were distributed, … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 4 · 28 Nov 2021 · 6,497 accessesView PDFCite
Research NotesOpen accessIn the keywordsThe Phytol-rich Essential Oil from Fresh Medicago hispida Exerts Significant Inhibitory Activity against Escherichia coliLixue Zheng, Leijie Ben, Zhumei Cui et al.Medicago hispida is one of the most widely distributed and commonly cultivated plants of the genus Medicago in China. It is mainly consumed as a vegetable. In this paper, the extraction, chemical composition and antimicrobial potential of the essential oil from fresh M. hispida (EOFMH) were conducted and evaluated for the first time. The extraction yield of EOFMH was found … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 4 · 28 Dec 2019 · 7,360 accessesView PDFCite
Research ArticleOpen accessIn the keywordsExtraction, Partial Identification and Bioactivities of Total Flavonoids from Carex meyeriana KunthHongbiao Wang, Penghui Wang, Xiudong Yang et al.To date, knowledge associated with extraction, chemical constituents and bioactivities of Total Flavonoids from Carex meyeriana Kunth (TFCMK) that remains unclear. Therefore, this paper was designed to optimize the ethanol reflux extraction method by response surface methodology and determine the chemical constituents by Liquid Phase-Mass Spectrometry (HPLC-MS); additionally, the bioactivities including antioxidant, antibacterial and hemolysis test were also explored. The … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 3 · 7 Aug 2019 · 7,525 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMining, Isolation and Identification of Siderophore Synthesis Gene from Brevibacillus brevis GZDF3Miaomiao Sheng, Huake Jia, Xiaomai Tao et al.Objective of this paper is to excavate the siderophore synthesis gene from Brevibacillus brevis GZDF3 and verify its type and antibacterial effects. The method is using genome mining technology to analyze the siderophore synthesis genes and the phylogenetic tree of each synthesis gene was constructed separately. Iron free medium was utilized to induce the synthesis of siderophore and CAS liquid … …American Journal of Biochemistry and Biotechnology, Vol. 14, Issue 3 · 28 Aug 2018 · 10,611 accessesView PDFCite
Research ArticleOpen accessIn the keywordsBioactive Endophytic Actinomycetes of Cinnamomum sp.; Isolation, Identification, Activity Guided Purification and Process Optimization of Active MetaboliteSudipta Roy, Debdulal BanerjeeStudying on endophytic actinomycetes of Cinnamomum sp. from Indian rainforest, Cherapunji, one of our isolated strains designated as CH1 was found to produce significant antibacterial activity against test pathogens (Aeromonas caviae (ATCC 15468), Vibrio parahemolyticus ATCC 1782, Pseudomonas aeruginosa (ATCC 9027), Proteus vulgaris (ATCC 12453), Shigella flexnerii (ATCC 12022), Escherichia coli (human sample isolate), Bacillus subtilis (ATCC 11774) and Bacillus … …Current Research in Microbiology, Vol. 6, Issue 1 · 6 Apr 2015 · 9,063 accessesView PDFCite
Research ArticleOpen accessIn the keywordsBio-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 keywordsBacteriological Examination of Computer Keyboards and Mouse Devices and Their Susceptibility Patterns to DisinfectantsOnochie Charles Chimezie, Anyim Chukwudi, Alo Moses Nnaemeka et al.Computers are ubiquitous and have been shown to be contaminated with potentially pathogenic bacteria in some communities. There is no economical way to test all the keyboards and mouse out there, but there are common-sense ways to prevent bacterial contamination or eliminate it if it exists. In this study, swabs specimens were collected from surfaces of 250 computer keyboards and … …Current Research in Microbiology, Vol. 4, Issue 1 · 19 Jan 2013 · 13,518 accessesView PDFCite