Table 5.
Antimicrobial activity of ZZU 203 and 204 by several treatments
| Indicator strains | Antimicrobial activity | |||||||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| pH 6.0 | Catalase | Proteinase K | Trypsin | |||||
|
|
|
|
|
|||||
| ZZU 203 | ZZU 204 | ZZU 203 | ZZU 204 | ZZU 203 | ZZU 204 | ZZU 203 | ZZU 204 | |
| Salmonella enterica ATCC 43971T | + | ++ | + | ++ | − | − | − | − |
| Escherichia coli ATCC 11775T | ++ | ++ | ++ | ++ | − | − | − | + |
| Micrococcus luteus ATCC 4698T | +++ | ++ | +++ | ++ | − | − | − | + |
+, Diameter of inhibition zone: 8.00 to 12.00 mm; ++, 12.00 to 16.00 mm; +++, 16.00 to 20.00 mm; ++++, more than 20.00 mm; −, no inhibition zone; the diameter of inhibition zone including that of Oxford cup (7.80 mm).