Bacteria Involved in Food Spoilage -
| Group | Speices of |
| Lactics | Lactobacillus, Leuconostoc, Pediococcus,Streptococcus |
| Acetics | Acetobacter and Gluconobacter |
| Butyrics | Clostridium |
| Proteolytics | Bacillus, Pseudomonas, Clostridium, Proteus etc. |
| Lipolytics | Pseudomonas, Alcaligenes, Serratia, Micrococcus Bacillus, Clostridium etc. |
| Sacccharolytic | Bacillus, Clostridium etc. |
| Pectolytic | Erwinia, Bacillus, Clostridium |
| Thermophiles | Bacillus, Clostridium, Lactobacillus thermophilus. |
| Psychrophiles | Pseudomonas, Flavobacterium, Alcaligenes, Micrococcus |
| Halophiles | Halobacterium sarcina, Micrococcus, Pseudomonas |
| Osmophiles | Leuconostoc |
| Pigment formers | Flavobacterium, Serratia, Micrococcus |
| Slime or rope formers | Alcaligenes, Enterobactor, Streptococcus, Lactobacillus etc |
| Gas formers | Leuconostoc, Lactobacillus, proteus, Clostridium, Enterobactor etc |
| Coliforms | E.coli, Enterobactor aerogenes. |