Fermentation Pyruvic Acid Streptococcus,Saccharomyces Propionibacterium Clostridium Escherichia, Enterobacter Organism Lactobacillus, (yeast) Salmonella Bacillus Lactic acid Ethanol Propionic acid, Butyric acid, Ethanol, Ethanol,lactic Fermentation and CO2 acetic acid, butanol,acetone, lactic acid, acid,formic acid, end-product(s) CO2,and H2 isopropyl alcohol, succinic acid,butanediol,acetoin and CO2 acetic acid, CO2,and H2 CO2,and H2 Figure 5.18b Fermentation Figure 5.18b