household food security remains a challenge in south africa. the national government instituted the integrated food security strategy (ifss) programme which identifies household agricultural production as an important element of improving household-level food security. agricultural extension is well positioned to help achieve this aim, but its current contribution is unknown. this study identif...

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...

background: in this study we aimed at detecting the enterotoxin a and b gene of s. aureus in clinical samples of patients attending health centers in zahedan using molecular methods. materials and methods: a cross-sectional study was carried out in which 40 samples of s. aureus were obtained from patients in a hospital in zahedan, iran. following the biochemical tests, identifications were conf...

the role of the ventromedial nuclei of the hypothalamus (vmn) in food behavior was studied in adult male rats, allocated in 3 groups: control, sham and lesioned. electrolytic lesions were induced stereotaxically (1.2 ma, 15 sec). results revealed a significant decrease (p

background: pseudomonas spp. are of important food spoiling bacteria. they present around the world and are isolated from diverse sources. the main objective of this survey was to detect pseudomonas spp. in fresh chicken and fish obtained from markets of assiut city, egypt.  methods: in this cross-sectional survey, 50 samples of fresh raw chicken and 50 samples of fresh raw fish meat were rando...

in an effort to reduce the growing prevalence of overweight and obesity, food taxes have been introduced in several european countries, the so-called ‘obesitax’. as yet little evidence is at hand, policy measures are being taken to counterweight the consumption of unhealthy food or the increasing diet-related diseases. several questions need to be discussed, starting from a general perspective:...

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...

feeding behavior of yellowfin seabream larvae during the first two weeks of larval life was studied by feeding larvae  on different ratios of live food and  microencapsulated diet (med). food consumption rate increased progressively with increasing larval weight. the results from visual observation of the larval guts under a light microscope indicated that yellowfin seabream larvae were able to...

background: salmonella typhimurium is one of the most important species of salmonella that is intracellular parasite and attacks host mucus membrane. these bacteria can cause gastroenteritis, and their main transmission route is water, poultry, meat, egg, and raw food. the aim of this study was to detect three virulence genes associated with s. typhimurium named inva, stm4497, and flic183 genes...

background: disparities in health may relate to differences in nutrition. among dietary determinants, socioeconomic status (ses) plays an important role. therefore, this study was aimed to investigate the association between ses and cooking pattern and consumed food among rural and urban iranian households.     methods: overall, 14,136 households were selected through single-stage cluster sampl...