Glycolysis in anaerobes (丙酮酸的去路) 's Only source of energy for some nonphotos ynthetic anaerobes "NADH produced in step 6 must be recycled Pyruvate reduced as NADH is oxidized ÷ Products include alcohols formic, acetic, propionic, butyric and succinic acids lactate other organic compounds（丙酮酸的去路）