نتایج جستجو برای: mic و mbc
تعداد نتایج: 776684 فیلتر نتایج به سال:
The present study aimed to investigate major volatile compounds, organic acid, phenolic and mineral contents, antiradical antimicrobial properties of home-made apple/grape vinegar. Grape vinegar showed higher total acidity, acid content, content (TPC), activity lower minimum inhibitory concentration (MIC) values compared apple While acetic tartaric acids were the most abundant in grape vinegar,...
زمینه و هدف : از آنجایی که برخی از عصاره های گیاهی از جمله گونه santolina دارای اثرات ضد باکتریایی هستند و از آنها می توان به عنوان عوامل ضد میکروبی در درمان عفونت ها استفاده نمود، هدف این مطالعه ارزیابی ترکیبات اسانس و خواص ضد میکروبی عصاره و اسانس می باشد. مواد و روش ها : در این مطالعه تجربی گیاه بومادران در اواخر بهار 1387 از منطقه سیستان جمع آوری گردید. ترکیبات اسانس توسط دستگاه gc/ms آنالی...
This study was carried out to investigate the potential use of Artemisia arborescens as a source of antimicrobial agents against pathogens. Essential oils of A. arborescens were collected by hydrodistillation. The antibacterial properties of A. arborescens essential oil was studied on the standard gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa), and Staphylococcus aureus (g...
A new class of highly functionalized tetrahydroisoquinolines with a quaternary carbon stereocenter was synthesized starting from an easily accessible L-tartaric acid. Nine strains of bacteria (Staphylococcus aureus, Streptococcus pyogenes, Streptococcus mutans, Streptococcus salivarius, Bacillus subtilis, Enterococcus faecalis, Moraxella catarrhalis, Escherichia coli, Campylobacter jejuni) were...
Essential oils present a fine antibacterial performance against a variety of bacteria. The main component of the cinnamon oil was eugenol (75.52%). In this study, the goal was to evaluate the antimicrobial activity and reveal bactericidal mechanism of cinnamon oil. Firstly, the minimum inhibitory concentration (MIC) and the minimum bactericide concentration (MBC) of cinnamon oil were tested. Th...
This study aimed to investigate the chemical composition of steam distillate essential oil and corresponding hydrolate obtained from S. officinalis grown in Serbia, as well influence weather conditions (temperature precipitations) on their profiles. Furthermore, antimicrobial activity was investigated vitro. The main compounds were cis-thujone, followed by camphor, trans-thujone, 1,8-cineole, w...
There are distinct varieties of basil types in the genus Ocimum L. which makes them very special. Genus Ocimum L. is widespread over Asia, Africa, Central and Southern America. All basils are member of the Lamiaceae family. The colors of the leaves vary from bright green to purple-green and sometimes almost black. Fresh basil leaves have a strong and characteristic aroma, plant which is used in...
Abstract Staphylococcus aureus is one of the most common pathogens in biofilm-associated chronic infections. S. living within biofilms evades host immune response and more resistant to antibiotics than planktonic bacteria. In this study, we generated with low high levels biofilm formation using rbf (regulator formation) gene performed a BioTimer assay determine minimum inhibitory concentration ...
BACKGROUND AND AIMS The emergence of novel diseases caused by microbial pathogens and the undesirable side effects of certain antibiotics has been a recent dilemma in the medical arena. Consequently, it has stirred the discovery of many naturally occurring agents which could possibly provide important ramifications against various pharmacological targets and to combat various ailments. The main...
1 لوئسم هدنسيون : شناد دشرا يسانشراك هتخومآ هدكشناد ،شزرو يژولويزيف تيبرت ،يشزرو مولع و يندب هاگشناد ناهفصا يكينورتكلا تسپ : [email protected] 2 رايداتسا تيبرت هورگ يندب و مولع دا هدكشناد ،يشزرو ،تايب هاگشناد ناتسدرك 3 شناد هتخومآ سانشراك ي دشرا هدكشناد ،شزرو يژولويزيف تيبرت ،يشزرو مولع و يندب هاگشناد نلايگ 4 شناد دشرا يسانشراك هتخومآ هدكشناد ،شزرو يژولويزي...
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