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Articles by Gh. R. Jahed Khaniki
Total Records ( 2 ) for Gh. R. Jahed Khaniki
  Gh. R. Jahed Khaniki
  Chemical contaminants in milk comprise chemical hazards that may introduce during milk production, dairy processing or packaging. Veterinary drugs, heavy metals, radionuclides, mycotoxins and pesticides are chemical contaminants that can enter to animal feed and they have some residues in milk. The most contentious residues that occur in milk are antimicrobial drugs. They have some hazards for humans who consume milk and dairy products. Government and producer must apply some methods and plans for prevention and control of chemical contaminants in milk and dairy products. Total quality management and the Hazard Analysis Critical Control Points (HACCP) approach has an important role for preventing and controlling of chemical contaminants in milk and dairy products, especially antibiotics in raw milk shipped from the farm. This study would have a review of materials and sources of chemical contaminants, public health concerns and the methods of for controlling of these contaminants in milk and dairy products.
  A. Eslami , Gh. R. Jahed Khaniki , M. Nurani , M. Mehrasbi , M. Peyda and R. Azimi
  The study investigated the levels of five different heavy metals (Cd, Pb, Zn, Cr and As) in various vegetables including roots and leaves of radish (Raphanus sativus L.), leek (Allium ampeloprasum L.), sweet basil (Ocimum basilicum L.) and parsley (Petroselinum crispum) cultivated along the bank of river passing through the city of Zanjan. The contributions of the vegetable to the daily intake of the heavy metals from the vegetables were determined. Atomic absorption spectrometry was used to estimate and evaluate the levels of these metals in the vegetables. The results of this survey showed the following ranges (mg kgG1): 3.89-32.94, 3.15-27.68, 43.61-223.10, non-detectable and non-detectable for lead, cadmium, zinc, chromium and arsenic, respectively. Some vegetables contaminated high levels beyond the levels given by FAO and WHO for human consumption. When the mean levels of Lead and Cadmium (10.65 and 9.22 mg kgG1) were taken into account the daily intake contribution of the metals was found to be 2.32 and 2 mg for Lead and Cadmium. Increase in vegetable consumption by community the situation could worse in the future.
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