Table 1 Minimal bactericidal (MBC) and fungicidal (MFC) concentration (ppm) of compounds tested against selected microorganisms
Compounds | ||||||||
|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | N | G | ||
Yeast | ||||||||
Candida albicans | pH 5 | 150 | 600 | 600 | 1200 | 550 | 25 | |
pH 6 | 300 | 600 | 1200 | 1200 | 1100 | 50 | ||
pH 7 | 1200 | 1200 | / | 1200 | 1100 | 25 | ||
Gram-positive bacteria | ||||||||
Listeria monocytogenes | pH 5 | 600 | / | / | / | / | 25 | |
pH 6 | 600 | / | / | / | / | 6.25 | ||
pH 7 | 1200 | 1200 | / | / | / | 25 | ||
Staphylococcus aureus | pH 5 | 600 | 1200 | 1200 | / | 1100 | 75 | |
pH 6 | 600 | / | 1200 | / | / | ˂ 3.12 | ||
pH 7 | 1200 | / | 75 | 150 | / | ˂ 3.12 | ||
Bacillus cereus | pH 5 | 300 | / | / | / | / | ˂ 3.12 | |
pH 6 | 600 | / | / | / | / | ˂ 3.12 | ||
pH 7 | 600 | / | / | 300 | / | ˂ 3.12 | ||
Gram-negative bacteria | ||||||||
Salmonella enteritidis | pH 5 | / | / | 1200 | / | / | 600 | |
pH 6 | / | / | / | / | / | 600 | ||
pH 7 | / | / | / | / | / | ˂ 3.12 | ||
Escherichia coli | pH 5 | / | / | 1200 | / | / | 12.50 | |
pH 6 | / | / | / | / | / | 6.25 | ||
pH 7 | / | / | / | / | / | 25 | ||