نتایج جستجو برای: food and water samples

تعداد نتایج: 16981954  

Journal: :The Southeast Asian journal of tropical medicine and public health 2005
Chantira Sutthikornchai Chun Jantanavivat Supatra Thongrungkiat Talabporn Harnroongroj Yaowalark Sukthana

This study evaluated the prevalence of contamination of water that was used for food preparation. Since protozoal cysts can be found in small numbers in water, 1,000 liters of either untreated or treated water were filtered through activated carbon block filters (1 microm nominal porosity). Identification of protozoa was performed using specific monoclonal antibodies against Giardia and Cryptos...

Journal: :آب و توسعه پایدار 0
عباس کشاورز محمدحسین شریعتمدار عبدالرحیم خسروی احمدعلی شیخی مهرآبادی اعظم بیکی خشک مهناز شعبانی مطهره بخشایش

the methods, the technology, the production patterns, the equipment, the capacity of the domestic infrastructure of each country, the mechanism of market capacity, market chains, releasing and distribution channels of agricultural and food product, purchasing patterns, and food consuming of consumers affect on the wastes of food products. regardless of the level of economic and social developme...

Journal: Pollution 2017

In Nigeria irrigated agriculture is an important tool for economic growth, food security, and poverty reduction during dry periods of rain-fed agriculture. The concentration and composition of dissolved constituents in water determines its quality for irrigation use. Water quality studies strongly suggest that agriculture is a leading source of water quality problems, due to pesticides and othe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

Journal: :iranian journal of toxicology 0
مصطفی دلاور mostafa delavar department of pharmacology , arak university of medical sciences, arak, iran. ریتا احمدی عراقی rita ahmadi araghi bureau of food and hygienic products control, arak university of medical sciences, arak, iran. امیرمحمد کاظمی فر amir mohammad kazemifar department of forensic medicine, qazvin university of medical sciences, qazvin, iran. مهدی عبدالهی mahdi abdollahi laboratory of bureau of food and hygienic products control, arak university of medical sciences, arak, iran. بهنوش انصاری behnoush ansari laboratory of bureau of food and hygienic products control, arak university of medical sciences, arak, iran.

background: anecdotal information has suggested that sodium benzoate is used with more than permissible doses during production steps of food products especially pickles and pickled cucumbers in food producing factories in markazi province and other food producing factories . the present study was done to evaluate factual concentration of sodium benzoate in these products. methods: in this stud...

ژورنال: سلامت و محیط زیست 2013
ریاحی بختیاری , علیرضا, مشروفه, عبدالرضا , پورکاظمی, محمد,

Background and objective: Metal pollution has always been a major cause of contamination of environment and is considered as a major concern for food health. Worldwide, sturgeons are an important source of food and income. In this study, the human health risk due to consumption of caviar and muscle of Persian sturgeon (Acipenser persicus) were evaluated by measuring the concentrations of cadmiu...

ژورنال: Medical Laboratory Journal 2014
Rahimi, E, Shakerian, A,

Abstract Background and Objective: Listeria bacteria with worldwide widespread are commonly found in soil, sewage, dust and water. Among which,Listeria monocytogenes can cause a serious food-borne disease. The objective of this study was to investigate the prevalence of Listeria species in ready-to-eat foods. Material and Methods: The samples (n=235) including oloveyh salad (n = 64), Yogurt ste...

2014
Kebede Amenu Marisa Spengler Markemann André Anne Valle Zárate

Waterborne pathogenic agents affect the health of people either by direct consumption of contaminated water or by its indirect use in food production and/or processing. Studies on the microbiological quality of water in rural areas of Ethiopia are still limited, especially at the household level. The aim of the present study was to assess the microbial quality of water from different sources in...

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