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100 results for “inhibitory activity”
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Research NotesOpen accessPhrase in the titleThe 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 · 7,355 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleINHIBITORY ACTIVITY OF POTENTOX AGAINST DNA GYRASE OF ENTEROBACTERIACEAEManu Chaudhary, Anurag PayasiDNA gyrase, a type II topoisomerase catalyzes the supercoiling of relaxed closed circular DNA. In this report we evaluated the in vitro inhibitory effect of non antibiotic adjuvant compounds disodium edetate and sodium citrate against supercoiling activity of bacterial DNA gyrase. Further, we assessed the effect of different drugs alone and in combination with one or more adjuvants in overcoming … …American Journal of Infectious Diseases, Vol. 10, Issue 1 · 8 Feb 2014 · 7,288 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInhibitory Effects of Artemisia afra Extracts on the Bio-Activity of Banana TyrosinaseTsholofelo Motshologane, Jacobus Pieter Hough Van WykMelasma, formerly known as chloasma, is an acquired pigmentary condition, occurring most commonly on the face of humans. This disorder, which is more prevalent in females and darker skin types, is predominantly attributed to Ultraviolet (UV) exposure and hormonal influences. This condition is caused by an over-production of melanin, a pigment that gives color to the skin, hair, and eyes … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 18 Jan 2025 · 4,618 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntioxidant Activity of Trilobatin and Its Inhibitory Effects on Oxidative Damage of Biological MacromoleculesYuhan Zhai, Yuqing Zhang, Yaping Li et al.Excessive levels of free radicals in the body cause oxidative damage to macromolecules by injuring DNA, proteins, and lipids, which leads to structural and functional defects and ultimately results in a number of illnesses. The antioxidation of trilobatin and its inhibitory activity of trilobatin on oxidative damage of biological macromolecules have not been thoroughly investigated. In this research, the effects … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 4 · 28 Oct 2023 · 5,466 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCharacteristics of Antagonistic Activity of Two Trichoderma Species New to Kazakhstan Against Soil PathogensYelena Rakhimova, Assem Assylbek, Lyazzat Kyzmetova et al.The high efficiency of representatives of the Trichoderma genus in suppressing a wide range of plant pathogens contributes to the conduct of large-scale research on the search for local strains. The purpose of this study is to characterize the antagonistic activity of two Trichoderma species new to Kazakhstan (T. pararogersonii and T. rossicum) isolated from the rhizosphere of Picea schrenkiana … …OnLine Journal of Biological Sciences, Vol. 23, Issue 4 · 17 Oct 2023 · 4,456 accessesView PDFCite
Research ArticleOpen accessIn the keywordsOptimization of Ultrasonic-Assisted Total Flavonoids Extraction from Flower of Albizia Julibrissin Durazz. by Response Surface Methodology for Characterization of Chemical Profile and Evaluation of Antioxidant and Tyrosinase Inhibitory ActivitiesYijie Cheng, Yuwen Zhang, Hanzhang Sun et al.To investigate the flavonoids in flower of Albizia julibrissin (‘He Huan Hua’ in Chinese), the ultrasonic-assisted extraction of total flavonoids from ‘He Huan Hua’ was optimized by response surface methodology and the chemical profile was characterized by HPLC- QTOF-MS/MS. What’s more, the antioxidant and tyrosinase inhibitory activities of ‘He Huan Hua’ were also evaluated in this study. The extraction time, … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 1 · 14 Mar 2022 · 6,733 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEVALUATION OF ANTIMICROBIAL ACTIVITY IN OLIVE (OLEA EUROPAEA) LEAF EXTRACTMukadderat Gökmen, Recep Kara, Levent Akkaya et al.In this study the antimicrobial activity of Olive Leaf Extracts (OLE) was screened against five gram-positive and five gram-negative bacteria. The antimicrobial activity was evaluated using disc diffusion and microdilution methods. The diameters of inhibition zones of the olive leaf extract were observed 13.33±2.08 mm against S. typhimurium and 21.67±1.53 mm against B. cereus. There was a similarity between the … …Current Research in Microbiology, Vol. 5, Issue 2 · 15 Jan 2015 · 15,214 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessment of Neuropharmacological Activities of Terminalia Chebula in RatsWathita Phachonpai, Jintanaporn Wattanathorn, Terdthai Tong-un et al.Problem statement: Oxidative stress has been implicated in the pathophysiology of many neurodegenerative diseases such as Alzheimer’s Disease (AD). In traditional practices of Ayurvedic medicine, numerous herbs have been used to treat cognitive disorders. Terminalia Chebula (Combretaceae; TC), is a well-known Ayurvedic herbal remedy which possesses an antioxidant activity. The scientific literature strongly supports its in vitro exerted acetylcholinesterase inhibitory … …American Journal of Pharmacology and Toxicology, Vol. 7, Issue 2 · 11 Jun 2012 · 8,295 accessesView PDFCite
Research ArticleOpen accessIn the keywordsBioautography Guided Identification of Anticandidal Compounds from A. terreus st. 1B. K. Nagaraja, R. Sripathy, C. N. Ramchand, M. SundararamanProblem statement: Saprophytic and soil inhabiting microorganisms are prolific producers of secondary metabolites with wide range of structural and functional diversity. The objective of the current study was to screen and evaluate the anti-candidal properties of soil inhabiting fungi. Approach: Preliminary dual culture assay and bioautography was used to screen the fungi with potential anti-fungal activity and direct detection of … …American Journal of Infectious Diseases, Vol. 7, Issue 4 · 1 Dec 2011 · 7,629 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAntibacterial Activity of β-Cyclodextrin and 2-Hydroxypropyl-β-Cyclodextrin Trimethoprim ComplexesHsien-Kuo Sun, Madhumathi Seshadri, Scott Lingard et al.Problem statement: Cyclodextrin complexation has previously been shown to improve the solubility and dissolution properties of trimethoprim; however, no report provides an account of the effect cyclodextrin complexation has on the antibacterial activity of this agent. Approach: β-cyclodextrin and 2-hydroxypropyl β-cyclodextrin inclusion complexes of trimethoprim were prepared and confirmed by differential scanning calorimetry and proton nuclear magnetic resonance. The in-vitro … …Current Research in Microbiology, Vol. 2, Issue 1 · 26 Oct 2011 · 14,801 accessesView PDFCite