الفهرس 
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Abstract
Detection of some chemical residues in grilled meats with
special reference to their public health importance.
Chemical residues are those chemicals not intended to be
present and which are left over from some processes in food
production.
Polycyclic aromatic hydrocarbons (PAHs) are chemical
compounds produced from incomplete combustion of charcoal
which is present in some types of food and have public health
importance. Heavy metals may arise from natural geological
sources or human activities (industrial, mining and agricultural).
The vast majority of toxic metals fall into the category of
environmental contaminants and produce sever disability in
humans.
This study was conducted to survey the extent of the presence
of residues of 13 of PAHs in charcoal grilled meat ball and some
heavy metals as Pb, Cd, As, and Mn in raw and grilled meat.
Twenty samples of charcoal grilled meat ball sample were
collected from El Menofiya Governorate, classified as rural samples
(n= 10) were collected from El Bagour city, and urban samples
(n=10) , were collected from Shebin El Kom city. Another ten raw
minced meat samples were used as a control in this study.
Randomely 30 meat samples were collected from different local
butcher shops at El-Bagour city, El-Menofiya Governorate. The
collected samples were kept in an ice box and transferred
immediately to Meat Hygiene laboratory, Faculty of Veterinary
Medicine, Zagazig University.