microbial contamination of commercial and traditional doogh dairy products in lorestan province of iran

نویسندگان

m. hatamikia deputy of food and drug, lorestan university of medical sciences, khorramabad, iran

m. bahmani razi herbal medicines research center, safety research center, lorestan university of medical sciences, khorramabad, iran

h. hassanzad azar department of food safety and hygiene, faculty of health, zanjan university of medical sciences, zanjan, iran

r. sepahvand deputy of food and drug, lorestan university of medical sciences, khorramabad, iran

چکیده

background: doogh is a popular dairy beverage in iran which its main ingredient is yogurt. the aim of this study was evaluation of bacterial and fungal contamination of this product marketed in lorestan province, west of iran. methods: a total of 200 doogh samples consisted of 150 commercial samples, including five different brands and also 50 homemade samples were purchased randomly from markets. coliforms, escherichia coli, staphylococcus aureus, mold, and yeasts counts were performed according to iranian national standard protocols. results: e. coli and s. aureus counts were negative for all doogh samples. coliform enumerations of all samples were less than the acceptable range declared from iranian national standard. out of 200 samples, 56 (28%) were unacceptable due to mold and yeast counts more than the maximum acceptable level stated by national standard of iran (≤100 cfu/ml). overall, 45 samples (90%) of traditional as well as 11 samples (7.3%) of commercial doogh were microbiologically unacceptable. conclusion: attempts have to be made to standardize the processing of iranian traditional doogh manufacturing, and public health authorities should control the hygienic quality of both traditional and commercial doogh in lorestan province, routinely.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Microbial Contamination of Commercial and Traditional Doogh Dairy Products in Lorestan Province of Iran

Background: Doogh is a popular dairy beverage in Iran which its main ingredient is yogurt. The aim of this study was evaluation of bacterial and fungal contamination of this product marketed in Lorestan province, West of Iran. Methods: A total of 200 doogh samples consisted of 150 commercial samples, including five different brands and also 50 homemade samples were purchased randomly from mark...

متن کامل

Prevalence of Yersinia Species in Traditional and Commercial Dairy Products in Isfahan Province, Iran

BACKGROUND Yersinia species, especially Yersinia enterocolitica, are considered as the most prevalent milk-borne pathogens. Several serological and molecular techniques have been developed for rapid and safe diagnosis of yersiniosis. OBJECTIVES This study was carried out to assess the prevalence rate of Yersinia species, especially Y. enterocolitica, in milk and dairy products in Isfahan prov...

متن کامل

prevalence of yersinia species in traditional and commercial dairy products in isfahan province, iran

materials and methods: a total of 285 commercial and traditional dairy products as well as 267 pasteurized and raw milk samples were collected during one year. the samples were studied by culturing and the positive-culture samples were investigated using pcr techniques. results: the results of culture showed that 52 (9.42%) and 28 (5.07%) of the total 552 milk and dairy samples were positive fo...

متن کامل

Microbial quality of commercial rose water products in Fars, Iran

Background and objectives: Over the centuries, particular attention has been given to the beneficial properties of rose water in Iran. In recent years, the manufacturers’ successful promotion has led to the general perception that bottled rose waters are pure and safe for human consumption. However, despite defining specific quality assurance standards by the Iranian National S...

متن کامل

Enterotoxigenicity of Staphylococcus aureus isolated from traditional and commercial dairy products marketed in Iran

This study was conducted to determine the prevalence rate, enterotoxigenecity, and antimicrobial resistance of S. aureus isolated from dairy products in Iran. From September 2010 to July 2011, a total of 347 samples from various dairy products, traditional and commercial, were collected from randomly selected retail stores. Overall, 20 samples (5.8%) were found to be contaminated with S. aureus...

متن کامل

morphology, geochemistry, mineralogy, and micromorphology of soils of hormozgan province in relation to parent materials

ویژگی های زمین شیمیایی، کانی شناسی، و میکرومورفولوژیکی خاک ها و سنگ مادر مربوطه در منطقه بین بخش های جنوبی زاگرس و خلیج فارس تا دریای عمان(استان هرمزگان، ایران) مورد بررسی قرار گرفت. هدف های این مطالعه شناسایی تغییرات در خصوصیات فیزیکی، شیمیایی، و ترکیب کانی شناسی خاک، مطالعه میکرومورفولوژی و تکامل خاک، و بررسی توزیع عنصر خاک بر اساس هوازدگی، پروسه های خاک و زمین شناسی جهت توصیف اثرات مواد مادر...

15 صفحه اول

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
journal of food quality and hazards control

جلد ۳، شماره ۳، صفحات ۱۱۴-۱۱۶

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023