Homolactic fermenters reduce almost all pyruvate to lactate2.Heterolactic fermenters form substantial amounts of products other than lactateF.

• 根据发酵产物的种类有乙醇发酵、乳酸发酵、丙酸发酵、丁酸发酵、混合酸发酵、丁二醇发酵、及乙酸发酵等。