Studies on Heavy Metals Content in Market Milk in Sharkia Governorate

Faculty Veterinary Medicine Year: 2005
Type of Publication: Theses Pages: 233
Authors:
BibID 10297000
Keywords : milk hygiene    
Abstract:
The present study was conducted to determine the residual amounts of heavy metals and trace elements (lead, cadmium, aluminum, iron, manganese, selenium and iron) in (20) raw, (26) sterilized milk, (20) milk powder, (9) condensed and (12) infant milk sampI-Heavy metals in milk and milk products:from the results found that the mean value of Pb higher in sterilized milk than in raw milk and milk powder, the mean value of Cd was higher in raw milk than in sterilized milk and milk powder while the mean values of AL in sterilized milk and milk powderII- Study the effect of storage period on the distribution of heavy metals in milk and milk samples:1- Heavy metals concentration in examined sterilized milk samples during storage period (210 days).from the previous results there were significant change in the level of Cd from 0 day to 210 days and in the level of tin from 0 day to 60 days and 0 day and 210 days.2- Heavy metals concentration in examined condensed milk samples during storage periods (210 days):There were significance change in the level of Cd at 0 day to 60 days and from 0 day to 210 days and there were significance change (P<0.05) in the level of AL in condensed milk samples from 0 day till 210 days.3- Heavy metals concentration in examined infant milk formulae samples during storage period (210 days):Average concentration of Cd, Sn, AL and Pb in infant milk samples during storage period (0-60-210 days) were 0.21, 0.30, 0.31, 1.56, 1.63, 1.71, 1.25, 1.50, 2.16, 0.45, 0.56, 0.80 ppm. The results declared that there were significance change (P<0.05) and
   
     
PDF  
       
Tweet