نتایج جستجو برای: staphylococcus aureus ptcc 1431 وlisteria monocytogenes

تعداد نتایج: 75009  

Journal: :Berkala perikanan terubuk 2023

This study aims to evaluate the microbiological quality status of dried salted squid marketed in Pasar Pagi Arengka Market Pekanbaru. Dried from different regional origin and storage times were sampled market. The samples taken randomly three traders analized for moisture, sensory quality. varies between product origins time. Tanjung Pinang Sibolga contains moisture 28,02% 29,21%, Aw 0,71 0,72 ...

2013
M. VAHEDI M. NASROLAHEI M. SHARIF A.M. MIRABI

INTRODUCTION The quality of milk is influenced by different bacteria present in milk. This study was undertaken to investigate the bacterial contamination of raw and pasteurized milk in Sari Township, Iran, 2011. METHODS In this investigation, 100 pasteurized milk samples were collected randomly from the super markets in the city and 100 raw milk samples from 4 dairy farms from suburb areas a...

Fatemeh Barzegari Firouzabadi Mahboubeh Mirhosseini,

Background & Objectives: Nanotechnology is one of great important part of technology. Nanoparticles can be used in different applications for industrial, medical, military and personal use. The objectives of this study were preparation of Polystyrene/ZnO nanocomposite films via a simple method and investigation of antibacterial activity of them. Methods: Polystyrene /ZnO nanoparticle (PS/nano-...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1392

باکتری های جنس staphylococcus مسئول تعدادی از عفونت های مهم انسانی و حیوانی، از جمله باکتریمی و یا عفونت ورم پستان می باشند. به علاوه انتروتوکسین های استافیلوکوکی، به عنوان یکی از عمده ترین عوامل مسمومیت های غذایی شناخته شده اند. گزارش های متعددی مبنی بر توانایی تولید انتروتوکسین توسط چندین گونه ی staphylococcus به خصوص انواع کوآگولاز مثبت وجود دارند. با این حال به علت نقصان روش های تشخیصی کارآ...

M. Zarei R. Rashnavady S. Maktabi,

The aim of this study was to investigate the effect of sodium dodecyl sulfate (SDS), citric acid, and hydrogen peroxide (H2O2), alone or in combination, on reducing the population of four foodborne pathogens, including Escherichia coli, Listeria monocytogenes, Salmonella typhimurium, and Staphylococcus aureus on eggshells. In each series of tests, eight fresh eggs were inoculated with each bact...

Journal: :Journal of food protection 2010
Steven C Ingham Darand L Borneman Cécile Ané Barbara H Ingham

Compliance with U.S. Department of Agriculture (USDA) composition-based labeling standards often has been regarded as evidence of the shelf stability of ready-to-eat (RTE) meats. However, the USDA now requires further proof of shelf stability. Our previous work included development of equations for predicting the probability of Staphylococcus aureus growth based on the pH and a(w) of an RTE pro...

Journal: :Infection and immunity 2001
S Okamoto S Kawabata I Nakagawa S Hamada

Superantigens stimulate T-cell-receptor Vbeta-selective T-cell proliferation accompanying the release of cytokines, which may eventually protect the host from microbial infections. We investigated here whether superantigens can rescue the host from lethal bacterial infection. Mice were pretreated with Staphylococcus aureus enterotoxin B (SEB) 1 and 2 days before bacterial infection, and the mor...

Journal: :Journal of advances in vetbio science and techniques 2022

Biyofilmler, bakterilere güçlü tolerans ve uygun yaşam ortamları sağlayan, ekstraselüler polimerik maddelere gömülü mikroorganizmalar topluluğudur. Çoğu patojen özellikteki mikroorganizma, koşullar oluştuğunda gıdalarda gıda ile temas eden yüzeylerde biyofilm oluşturarak endüstrisinde halk sağlığı açısından sorunlara yol açmaktadır. Bu çalışmada, daha önceki çalışmalarla çeşitli örnekleri kesim...

Introduction: Consumption of appropriate amount of probiotic microorganisms via food products have health benefits on the host. In recent years, there has been a significant increase in research on the characterization and verification potential use of probiotic films in food industry. The aim of the current study was to investigate in vitro antimicrobial property of p...

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