A protease was extracted by grinding, precipitation and gel filtration from Onopordum acanthium flowers. The physicochemical study of the enzyme showed an optimum pH of 4, a...
African journal of biotechnology - 331-340 - 2016
https://www.google.fr/?gws_rd=ssl#q=Physical+and+chemical+properties+of+the+acid+protease+from+Onopordum+acanthium:+Comparison+between+electrophoresis+and+HPLC+of+degradation+casein+profiles