some cultures consider blood to be a taboo form of food. in abrahamic religions, jewish and muslim cultures forbid the consumption of blood. blood and its by-products are forbidden in islam, in the qurʼan, surah 5, al-maʼidah, verse 3. in the new testament, blood was forbidden by the apostolic decree () and is still forbidden among greek orthodox. see also biblical law in christianity and communion (christian).