Halal foods are important for Moslems and there is a Moslem’s duty to eat only Halal foods which
is stated in Holly Qur’an. Moreover, government already made some regulations related to Halal
certification which should be obeyed by food industries, including home industries. This research
aimed to detect a porcine component in meatballs sold in Pasar Tradisional Tambun, Bekasi, West
Java by using SDS-PAGE Here, we combined mechanical and chemistry methods to extract the
proteins and compared the protein profiles on an acrylamide gel. We got specific bands of bovine
and porcine proteins according to proteins bands that showed on the gel and after comparing with
the samples we found that one sample had combining profiles in the extract. We concluded that
three samples used in this research were halal, meanwhile, another sample containing porcine
substances.