antibacterial drugs used in animal might result in deposition of residues in meat, milk and eggs. the presence of antimicrobial residues in animal-originated food is critical problem in many countries over the years. because, drug residues might result in various health hazards, both actual incidence of reactions and potential hazards perceived by the public, the most countries assess residue o...

background: given the importance of vegetables in the food pyramid, their safety is very important from view point of public health. vegetable contamination by heavy metals can lead to bioaccumulation of these toxic and disease-causing elements in the body of consumers. therefore, in this study, the concentration of some heavy metals, including lead (pb), cadmium (cd), zinc (zn) and copper (cu)...

background: considering high importance of heavy metals residue from view point of food safety, this study was conducted to determine the contents of chromium (cr), lead (pb) and cadmium (cd) in different tissues (liver, heart and muscle) of marketed chickens in mashhad, iran. methods: chicken tissues were collected from four popular brands distributed in different markets in mashhad, followed ...

extensive distribution of hazardous substances in food chain and the deleterious effect of their residues on public health are a great concern of the society. chicken eggs, as one of the most popular food commodities, in different parts of tehran (iran) were analyzed for two groups of hazardous substances including some organochlorine pesticides (oc) such as aldrin, lindane, dieldrin, dichlorod...

onion (allium cepa l.) is widely used around the world and it is very important vegetable in the slovak republic (sr). six varieties of onion (karmen, kamal, amika, hector, diamant, white dry) were studied and the contents of selected heavy metals, their polyphenol contents as well as the possible correlations among selected heavy metals in soil and onions were analysed. six soil sampling sites...

aflatoxin m1 (afm1), a carcinogenic substance is found in milk and dairy products. the effect of season and type of dairy products on afmi level in northern iran was investigated in this study.three hundred samples (each season 75 samples) including raw and pasteurized milk, yoghurt, cheese, and cream samples were collected from three distinct milk producing farms. the samples were subjected to...

many food products are perishable by nature and require protection from spoilage during their preparation, storage and distribution to give them desired shelf-life. because food products are now often sold in areas of the world far distant from their production sites, the need for extended safe shelf-life for these products has also expanded. currently, there is a strong debate about the safety...

local food production can be seen worldwide, and there are several local wisdoms on food production. there are many problems on local food production, including the problem of microbiological contamination, which is considered a great concern. the safety consideration is required. in the tropical world, the problem of local tropical food production should be specially discussed. there are many ...

context food spoilage has been a common problem throughout history, and much of the spoilage is caused the activity of microorganisms or enzymatic reactions during the storage of food. thus, using chemical substances could prevent or delay food spoilage and this has led to the great success of these compounds in the treatment of human diseases. sodium benzoate is one of the synthetic additives ...

introduction: toxoplasma gondii is an obligatory intracellular protozoan with a worldwide distribution. we reported here the cerebral toxoplasmosis in an iranian hiv-positive patient. case report: a 35-year-old woman that hospitalized at golestan province, in summer 2016 because of dizziness, fever, and headache. after treatment, she showed severe pain and then paralysis symptoms. magnetic reso...