سلطان دلال, محمد مهدی

[ 1 ] - ارزیابی سه محیط غنی کننده و شش محیط انتخابی جامد برای جداسازی و تشخیص سالمونلا از مواد غذایی

زمینه و هدف: سالمونلا یک پاتوژن روده‌ای مهم در آب و غذا می‌باشد و با توجه به اهمیت سالمونلا در بیماریهای منتقله از غذا، تشخیص دقیق و سریع آن از اهمیت خاصی برخوردار است. این تحقیق با هدف بهینه سازی روشهای متداول در جداسازی سالمونلا از مواد غذایی انجام شد .روش بررسی: تعداد 100 نمونه ماده غذایی مختلف به صورت تصادفی تهیه و جهت غنی سازی اولیه، درPeptone Water به مدت 24 ساعت در 37 درجه سانتی‌گراد انک...

[ 2 ] - وضعیت رنگ‌های مصرفی در شیرینی‌های خشک جنوب شهر تهران با استفاده از روش کروماتوگرافی با لایه نازک

زمینه و هدف : افزودنی‌های مواد غذایی یک واژه کلی برای ترکیباتی است که به منظور دوام یا بهتر نمودن ظاهر غذا، ترکیب، طعم و ارزش غذایی به مواد غذایی اضافه می‌شود. رنگ‌ها نیز جزو این دسته از مواد بوده که برای افزایش جذابیت مواد غذایی به آنها افزوده می‌شوند. رنگ‌ها می‌توانند عوارضی شبیه آسم، کهیر هایپراکتیویتی در کودکان، تضعیف سیستم ایمنی، واکنش‌های آنافیلاکتیک ویا حتی اثرات سرطان‌زایی داشته باشند. ...

[ 3 ] - Bacillus cereus Assessment in Dried Vegetables Distributed in Tehran, Iran

Background: Bacillus cereus is one of the important agents of the food-borne diseases worldwide. In the present study, the dried vegetable samples distributed in Tehran, Iran were evaluated in order to isolation, identification, and enumeration of B. cereus. Methods: A total of 140 samples containing open and packed dried vegetables were randomly purchased from different areas of Tehran, Iran ...

[ 4 ] - Molecular Epidemiology and Antimicrobial Resistance of Salmonella spp. Isolated from Resident Patients in Mazandaran Province, Northern Iran

Background: Salmonella is one of the causes of food-borne illnesses worldwide resulting in a wide range of human diseases. The aim of this research was to study molecular epidemiology and antimicrobial resistance of Salmonella spp. isolated from resident patients in Mazandaran province, northern Iran. Methods: Totally, 51 stool samples were collected from patients in 20 outbreaks recorded in...

[ 5 ] - کمپیلوباکتر و سندرم آپاندیکولار: گزارش 6 مورد

سابقه و هدف: آپاندیسیت، یکی از متداول‌ترین ضایعات التهابی دستگاه گوارش است که افراد زیادی به آن مبتلا می‌شوند. عوامل ایجاد کننده‌ی آپاندیسیت متعدد می‌باشد. در میان این عوامل، عفونت‌های باکتریایی دستگاه گوارش، سهم عمده‌ای دارند. از مهمترین عوامل باکتریایی ایجاد‌کنندهی آپاندیسیت، کمپیلوباکتر می‌باشد. در این مقاله، شش مورد پسودوآپاندیسیت ناشی از گونه‌های کمپیلوباکتر گزارش شده است. مواد و روش‌ها: ط...

[ 6 ] - جداسازی و شناسایی باکتری بورخولدریا سپاسیه از ترشحات تنفسی بیماران سیستیک فیبروزیس

Background and Aim: Cystic fibrosis is a common hereditary and autosomal disorder. One of the factors in cystic fibrosis is Burkholderia cepacia which can be transmitted through the sharing of admitted patients with hospitalized patients. Purpose of this study, was isolation and identification of Burkholderia cepacia from respiratory secretions from Masih Daneshvari Hospital cystic fibrosis...

[ 7 ] - Enterotoxigenic Escherichia coli Food-Borne Disease Outbreaks in Yazd Province of Iran during 2012-2016

Background: Enterotoxigenic Escherichia coli (ETEC) is one of the most important agents of travelers’ diarrheal diseases in the developing countries. The main purpose of this study was to determine the association of ETEC outbreaks with climatic and demographic variables in Yazd province of Iran. Methods: This study was done on 729 food-borne disease rectal swab samples, which gathered during ...

[ 8 ] - Evaluation of Class 1 and 2 Integrons and Antibiotic Resistance Pattern in Salmonella enterica Isolated from Diarrheal Food-Borne Outbreaks in Iran

Background: Salmonella spp. are major causes of food-borne disease and have been identified among many diarrheal outbreaks. The major aim of the current investigation was to evaluate the class 1 and 2 integrons and antibiotic resistance pattern in Salmonella enterica isolated from diarrheal food-borne outbreaks in Iran.  Methods: This study was carried out on 115 diarrheal feces samples obtain...

[ 9 ] - Some probiotic properties of Lactobacillus species isolated from honey and their antimicrobial activity against foodborne pathogens

Lactobacilli commonly used as a probiotic and they can be isolated from various sources such as fermented foods and gastrointestinal tracts of humans and animals. The aims of this study were isolation and identification of lactobacilli from honey and investigation of some probiotic properties and antimicrobial effects against foodborne bacterial pathogens. A total of 88 honey samples were colle...

[ 10 ] - Phenotypic and Genotypic Characteristics of Methicillin-Resistant Staphylococcus aureus Isolated from Dairy and Meat Products in Iran

Background: Methicillin-Resistant Staphylococcus aureus (MRSA) plays an important role in gastrointestinal diseases. The goal of this research was to determine phenotypic and genotypic characteristics of MRSA isolated from dairy and meat products in Iran. Methods: Ninety-three S. aureus isolates were prepared which had been obtained in our previous study. Antimicrobial susceptibility testing w...

[ 11 ] - Antibiotic Resistance Pattern and Detection of mecA Gene in Staphylococcus aureus Isolated from Iranian Hamburger Samples

Background: Among the bacteria that cause food poisoning, Staphylococcus aureus is one of the most common causes of food poisoning worldwide. The aim of this study was to investigate the presence of S. aureus strains in Iranian hamburgers, analysis of their antibiotic resistance pattern, and molecular detection of mecA gene in isolated strains. Methods: A total of 100 Iranian handmade (traditi...