According to the text, the bacterium Clostridium butylicum produces butyric acid . While Lipases are indeed used in detergent formulations to remove oily stains, the text does not attribute their production to Clostridium butylicum . The other options are correctly matched: Monascus purpureus produces Statins , Streptococcus produces Streptokinase , and Trichoderma polysporum produces Cyclosporin A .