- Streptococcus species
- Escherichia coli⁻
- Staphylococcus species
- Micrococcus
- Acinetobacter⁻
- Bacteroides⁻
- Clostridium
- Peptostreptococcus
- Enterococcus species
- Methanobrevibacter smithii
* A negative sign (-) following the genus or species name indicates gram negative bacteria (which produce inflammatory lipopolysaccharide)
* Numbers are 1-9 are hydrogen-producing bacteria, and # 10 is methane-producing