نتایج جستجو برای: food and water samples

تعداد نتایج: 16981954  

2002
Meredith S.S. Curren Jerry W. King

The term “food” refers to the broad range of edible materials that comprise the essential body nutrients required for life and growth, such as proteins, carbohydrates, fats, vitamins, or minerals. Foodstuffs are described variously as “lic&id” or “solid”, and “wet” or “dry”, depending on the amounts of water and fat they contain. Samples of plant origin are classified for analytical purposes as...

Journal: :jundishapur journal of microbiology 0
mohammad mehdi soltan dallal food microbiology research center, tehran university of medical sciences, tehran, ir iran; division of microbiology, department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran; food microbiology research center, tehran university of medical sciences, tehran, ir iran. tel: + 98-2166462268, fax: + 98-2166462267 mohammad kazem sharifi yazdi zoonosis research centre, tehran university of medical sciences, tehran, ir iran; department of medical laboratory sciences, school of paramedicine, tehran university of medical sciences, tehran, ir iran nima mirzaei department of microbiology, science and research branch, islamic azad university, tehran, ir iran enayat kalantar food microbiology research center, tehran university of medical sciences, tehran, ir iran; department of microbiology, faculty of medicine, alborz university of medical sciences, karaj, ir iran

background: despite of the advances in infectious diseases prevention and food technology, food-borne diseases are considered major problems in developed and developing countries. meat plays a key role in transferring zoonotic diseases to human. objectives: this study was conducted in south of tehran, iran, to investigate the prevalence rate of salmonella spp. in packed and unpacked red meat an...

Helicobacter pylori (H.pylori) is a gram-negative bacterium that has infected more than half of the world's population. This pathogen colonizes the human gastric mucosa and is usually acquired during childhood. It is an important cause of peptic ulcers, chronic gastritis and stomach cancer. Among the risk factors for acquisition of H. pylori infection, poor socioeconomic status, poor sanitizati...

2011
Tanja Kostić Angela Sessitsch

Reliable and sensitive pathogen detection in clinical and environmental (including food and water) samples is of greatest importance for public health. Standard microbiological methods have several limitations and improved alternatives are needed. Most important requirements for reliable analysis include: (i) specificity; (ii) sensitivity; (iii) multiplexing potential; (iv) robustness; (v) spee...

Journal: :iranian journal of medical physics 0
reza pourimani department of physics, faculty of science, arak university, iran

introduction natural and artificial radionuclides are the main sources of human radiation exposure. these radionuclides, which are present in the environment, can enter the food chain. rice is one of the most important food components in iran. radionuclides by transferring from soil to rice and entering the human body can affect human health. materials and methods fourteen samples of different ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

the caspian sea contains great resources of oil and gas. the caspian sea is a 700- mile- long body of water in central asia, land located between azerbaijan, iran, kazakhstan, russia and turkmenistan. iran was challenges and opportunities in the caspian region. key question in this thesis includes three section that first question, opportunities of iran in the caspian region, second question ch...

Journal: :health scope 0
adel ebrahimzadeh parasitology department, zahedan university of medical sciences, ir iran +98-9155491303, [email protected]; parasitology department, zahedan university of medical sciences, ir iran +98-9155491303, [email protected] ali jamshidi parasitology department, zahedan university of medical sciences, ir iran +98-9155491303, [email protected] saeed mohammadi parasitology department, zahedan university of medical sciences, ir iran +98-9155491303, [email protected]

conclusions it may be concluded that parasites are common in vegetables that are frequently eaten raw, and the use of tap water does little to remove them. regarding the results of this study, the importance of vegetables in the transmission of intestinal parasites is stressed, and it is necessary to improve the sanitary conditions of these kinds of food. results the findings of forty three sam...

رکنی, محمود علی , شکرزاده, محمد, گالستین, ,

Background and purpose: Water and soil pollution with heavy metals are among serious ever-growing environmental problems. Human activity accounts for much of the poisonous metals and results in increases soil pollution. There are many factors related to soil and plants properties and environmental issues. Release of heavy metal into food chain in critical densities has harmful metabolic and phy...

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