Contemporary Primary Sources :: Fatwās - Contemporary :: 29 Rabīʿ I 1432 / 3 March 2011
Indonesian Council of Ulama Fatwa No. 10 of 2011 on Methods of Purifying Yeast Extract from Brewer Yeast
Komisi Fatwa Majelis Ulama Indonesia, Posted by Daniel Peterson, 16 March 2015
This fatwa regulates the procedures required to purify contaminated yeast extract.