Apart from the breast milk, infant formula and baby weaning food have a special role in infant diet. Infants and young children are very susceptible to amount of trace elements. Copper and zinc are two elements that add in infant food. Lead and cadmium are heavy metals that enter to food chain unavoidably. DPASV is a benefit and applicable method for measurement of trace elements in food produc...

The antagonistic effect of zinc on inhibibition of human aminolevulinic acid dehydratase (ALAD) by lead was examined in vitro. The phenomenon was studied at pH 6.5-7.5 . Zinc and lead were added at concentrations ranging from physiological levels to levels far in excess of those expected in heavy industrial exposure. ALAD activity of normal blood assayed in the presence of zinc was unaffecte...

environmental protection has become one of the main concerns in developed economies, which is why an increasing degree of commitment in the field is required from all public and private bodies. environmental protection in firms must cease to be a secondary, barely profitable objective, involving the performance of sporadic remedial actions, and become just one more element of their organization...

the main purpose of this study was to identify and analyze factors affecting development of entrepreneurship in complementary and processing industries of citrus products at khouzestan province, iran. the statistical population of this study consisted of all managers in processing and complementary industries of citrus products in khouzestan province (n=89). by census method all managers were s...