TABLE 1.
Nutritional supplements tested
Supplement addeda | Final concn (%) | Growth and color production |
---|---|---|
Dextrose* | 2.0 | Slight enhancement of growth |
l-Arabinose* | 0.5 | Slight enhancement of growth |
Saccharose* | 0.5 | Slight enhancement of growth |
2,2′-Azinobis(3-ethylbenzthiazoline-6-sulfonic acid) | 0.4 | Less color |
XV factor | 0.5 | No benefit |
Sorbitan* | 0.1 | Inhibition of H2O2-negative strains |
Horse serum | 5.0 | Enhanced growth |
Starch | 2.0 | Enhanced growth |
Monopotassium phosphate* | 0.6 | No benefit |
Ammonium citrate* | 0.2 | Inhibition of H2O2-negative strains |
Sodium acetate* | 1.5 | No benefit |
Manganese sulfate* | 0.057 | Enhanced color production and growth |
Magnesium sulfate* | 0.012 | Enhanced color production and growth |
Ferrous sulfate* | 0.003 | No benefit |
Supplements marked with asterisks are components of Rogosa agar.