丙酸菌对糖类进行无氧的产生丙酸的发酵。作为丙酸的产生途径,认为是经过由糖开始的艾姆登-迈耶霍夫途径所产生的丙酮酸,而丙酮酸则有如下的变化:
平衡:CH3COCOOH+4H-→CH3CH2COOH+H2O
(1)methylmalony-CoA Coboxytransferase
(2)malate dehydrogense
(3)fumarase
(4)succinate dehydrogenase
(5)proptonate dehydrogenase
(6)methylmalonyl-CoA mutase
(7)methylmalonyl-CoA racemase