objective: citrinin is a mycotoxin produced by several species of the genera aspergillus and penicillium and occurs mainly in food products and animal feed. some scientific reports show a link between citrinin and nephrotoxic and possibly a carcinogenic effect for humans. methods: samples collected by settling plates,in northern iran and pure culture isolation performed till the toxin measureme...

Once upon a time Americans had a culture of food to guide us through the increasingly treacherous landscape of food choices: fat vs. carbs, organic vs. conventional, vegetarian vs. carnivorous. Culture in this case is just a fancy way of saying "your mom." She taught us what to eat, when to eat it, how much of it to eat, even the order in which to eat it. But Mom's influence over the dinner men...

The Food and Drug Administration (FDA) is classifying tissue culture media for human ex vivo tissue and cell culture processing applications into class II (special controls). The special control that will apply to this device is a guidance document entitled "Class II Special Controls Guidance Document: issue Culture Media for Human Ex Vivo Tissue and Cell Culture Processing Applications; Final ...

Abstract Because of the largely arid desert landscape Egypt, for millennia, Egyptians have been closely connected to living alongside narrow fertile banks Nile River. Annually, melting snow cascading from mountains in highlands south triggers River flood on its journey northbound toward Egypt. As water recedes, it leaves wake a rich layer fertile, volcanic dark soil deposits. The mainly rely th...

high mortality and labor costs are associated with first-feeding sturgeon culture, particularly during the period of dietary transition from live to formulated feed. therefore we investigated the effects of various feeding treatments on the survival and growth of the persian sturgeon ( acipenser persicus ) larvae during a 20-day culture period. three replicate groups (250 fish/replicate) of fir...

In a recent paper the author 1 has undertaken to show the relation between temperature and 'the facet number in the bar-eyed mutant of Drosophila mdanogaster Meig. Since it was essential to know the part played by other environmental factors the experimental evaluation of some of these was carried out. While these experiments were not as critical as was desired, they give some idea as to the re...

1. Detmer's solution and a modified Knop's solution are unfavorable culture media for the growth of Spirodela polyrhiza. 2. When the modified Knop's solution was diluted to 10 times its volume, Spirodela polyrhiza and Lemna valdiviana grew and reproduced for periods of 26 months and 21 months, respectively. 3. Growth in the dilute Knop's solution, which alone can support the growth of Spirodela...