Table 2.
Isolates | Enzyme production | Zone of inhibition | ||||||
---|---|---|---|---|---|---|---|---|
Proteinase | Amylase | Esterase | Cellulase | E. coli (ATCC 25922) | P. mirabilis (ATCC 25933) | B. cereus (ATCC 10102) | S. aureus (ATCC 25925) | |
1 | + | + | + | + | ++ | ++ | +++ | +++ |
2 | – | + | + | + | ++ | – | ++ | ++ |
3 | + | + | – | + | ++ | – | ++ | ++ |
4 | – | + | + | + | – | ++ | + | +++ |
5 | + | – | + | + | – | – | + | +++ |
6 | – | + | – | + | – | – | + | + |
7 | – | + | – | + | + | – | + | – |
8 | + | – | + | – | + | – | ++ | ++ |
9 | + | + | – | – | + | – | – | + |
10 | – | – | – | + | – | – | + | + |
11 | – | + | – | + | – | + | + | + |
12 | – | + | – | – | – | + | ++ | +++ |
13 | + | – | + | + | – | – | + | + |
+ denotes enzyme production and - denotes no enzyme production. Inhibition zone diameter index: + (≤ 9 mm) weak activity, ++ (10–20 mm) moderate activity, +++ (≥21 mm) strong activity and -denotes no activity