The Family Of Imran - 3:93
"Before the Torah was sent down, all food was lawful for the Children of Israel until Israel made it unlawful for itself. Say, "Bring the Torah and read it if you are truthful."
Why were certain foods forbidden to the Jews?
The Women/4:160
Because of the injustice committed by the Jews and because they turned many away from the Way of Allah, We forbade them the good things that were lawful before.
The Women/4:161
Because they practiced usury when they were forbidden to do so, and ate the people´s money unjustly... We prepared for their disbelievers a painful torment.
The Bee/16:118
We forbade the Jews what We told you before, and We did not wrong them, but they wronged themselves
The Bee/16:118
We forbade the Jews what We told you before, and We did not wrong them, but they wronged themselves