نتایج جستجو برای: borne bacteria sixteen isolates in agar spot method and 14 isolates in well diffusion assayshowed antibacterial activity against at least one of these indicators eight isolates includingent faecium 1

تعداد نتایج: 26455044  

Journal: :علوم و صنایع غذایی ایران 0
فریده طباطبایی یزدی دانشیار و عضو هئیت علمی گروه علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه فردوسی مشهد علیرضا وسیعی دانشجوی دکتری علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه فردوسی مشهد بهروز علیزاده بهبهانی دانشجوی دکتری علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه فردوسی مشهد سید علی مرتضوی استاد و عضو هئیت علمی گروه علوم و صنایع غذایی، دانشکده کشاورزی، دانشگاه فردوسی مشهد فروزان طباطبایی یزدی عضو گروه علوم دامی، دانشکده کشاورزی، دانشگاه فردوسی مشهد

the aim of this work was identified lactic floraas a traditional fermented food and then evaluates antimicrobial activities of some strains. a total of 140 gram-positive and catalase-negative isolates were subjected to grouping by physiological and biochemical tests and carbohydrates fermentation. based on the resultsthese 140 isolateswere dividedinto 9 groups. two or three isolated were select...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم پایه 1388

introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...

Journal: :applied food biotechnology 0
m.r edalatian department of food science and technology, faculty of agriculture, ferdowsi university of mashhad, mashhad, iran. m.b habibi najafi department of food science and technology, faculty of agriculture, ferdowsi university of mashhad, mashhad, iran. a mortazavi department of food science and technology, faculty of agriculture, ferdowsi university of mashhad, mashhad, iran.

a collection of enterococci  spp. (about 96 isolates) were isolated from two iranian raw milk cheeses, namely lighvan and koozeh, and subsequently, identified as enterococcus faecium , enterococcus faecalis , enterococcus durans , enterococcus casseliflavus and enterococcus italicus by 16s rdna sequencing. all of the 96 isolates were subjected to agar-spot and well-diffusion assay in order to d...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی 1390

iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...

Journal: :medical laboratory journal 0
shaghayegh nikpour moghadam azad university of tounekaboun, tounekaboun, iran shokoufeh nikpour moghadam azad university of falavarjan, isfahan, iran

abstract       background and objective: enterococci are relatively nonvirulent bacteria that rarely cause disease. antimicrobial treatment of enterococci is often challenging due to their antibiotic resistance. this study aimed to investigate the antibacterial activity of aqueous extract of garlic against enterococcal isolates.     methods: in this descriptive study, 120 enterococcus isolates ...

Journal: :jundishapur journal of microbiology 0
nafiseh davati department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran farideh tabatabaee yazdi department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran saeed zibaee department of veterinary research and biotechnology, razi vaccine and serum research institute, mashhad, ir iran; department of veterinary research and biotechnology, razi vaccine and serum research institute, mashhad, ir iran. tel: +98-9153045919, fax: +98-5118420430 fakhri shahidi department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran mohammad reza edalatian department of food science and technology, ferdowsi university of mashhad, mashhad, ir iran

conclusions this study revealed the presence of bacteriocin-producing bacteria and probiotic bacteria in camel milk from the golestan province of iran. results a total of 64 isolates were analyzed based on biochemical tests and morphological characteristics. the most frequently isolated lab was enterococci. weissella, leuconostoc, lactobacilli and pediococci were less frequently found. based on...

A.H Sami, J Khandaghi, N * Abbasgholizadeh,

Background & objectives: Safety control of traditional raw milk cheese such as Pot cheese is of special importance. Although enterococci can play beneficial probiotic or technological properties in cheese and their use in food is the subject of debate due to evidence of pathogenicity and antibiotic resistance. Method: In the present study, after isolation and morphological and biochemical iden...

ژورنال: Medical Laboratory Journal 2016
Nikpour Moghadam , Shaghayegh, Nikpour Moghadam , Shokoufeh,

Abstract       Background and Objective: Enterococci are relatively nonvirulent bacteria that rarely cause disease. Antimicrobial treatment of Enterococci is often challenging due to their antibiotic resistance. This study aimed to investigate the antibacterial activity of aqueous extract of garlic against Enterococcal isolates.     Methods: In th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

this research is a study on indicators of listening instruction in iranian english as a foreign language (efl) curriculum at guidance school and high school educational levels. this thesis aims at determining: a) the indicators of listening instruction at guidance school and high school efl curriculum. b) the indicators of listening instruction in irans guidance school and high school efl curri...

Actinomycetes are a source of a broad variety of secondary metabolites with diverse biological activities, such as antifungi, antibiotics and antitumorals; many of which have been developed for clinical use. In this study, 34 actinomycetes from untouched soils were isolated from Alborz Province-Iran. Evaluation ofantifungal and anti bacterial activities of these isolates, demonstrated the capab...

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