Hadith 4:313
Jarir narrated to us, from Mughira, from Ibrahim, that he granted a concession for chewing gum for the fasting person, as long as he does not let it enter his throat.
حدثنا جرير عن مغيرة عن إبراهيم أنه رخص في مضغ العلك للصائم ما لم يدخله حلقه