| General |
Property |
| Safety criteria
|
Origin |
| Pathogenicity and infectivity |
| Virulence factors—toxicity, metabolic activity and intrinsicproperties, i.e., antibiotic resistance |
| Technological criteria |
Genetically stable strains |
| Desired viability during processing and storage |
| Good sensory properties |
| Phage resistance |
| Large-scale production |
| Functional criteria |
Tolerance to gastric acid and juices |
| Bile tolerance |
| Adhesion to mucosal surface |
| Validated and documented health effects |
| Desirable physiological criteria |
Immunomodulation |
| Antagonistic activity towards gastrointestinal pathogens, i.e., Helicobacter pylori, Candida albicans |
| Cholesterol metabolism |
| Lactose metabolism |
| Antimutagenic and anticarcinogenic properties |
