Open Access
Table 3.
Protease testing: 13% gelatinize and clear zone on 2% commercial skimmed milk and 2% gelatine
| Leather steps | Medium A | Medium B | ||||
| 13%gelatinize | clear zoneat 2% skimmed milk commercial | 2%gelatine | 13%gelatinize | clear zoneat 2% skimmed milk commercial | 2%gelatine | |
| Pickle | Positive | Positive | Positive | Positive | Positive | Positive |
| Wet Blue | Positive | Positive | Positive | Positive | Negative | Positive |
| Article | Positive | Negative | Positive | Positive | Negative | Positive |
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