Table 2.

Stability of the bacteriocin BM1300 to heat, pH, protease, and chemicals

Treatment	Residual inhibitory activity (%)
Temperature
60 °C, 5 min	97.4% ± 1.3
60 °C, 10 min	95.2% ± 1.3
60 °C, 20 min	94.6% ± 0.4
80 °C, 5 min	93.0% ± 0.9
80 °C, 10 min	92.3% ± 0.4
80 °C, 20 min	91.1% ± 1.0
100 °C, 5 min	92.3% ± 1.0
100 °C, 10 min	90.9% ± 1.3
100 °C, 20 min	90.1% ± 0.9
120 °C, 5 min	90.6% ± 0.3
120 °C, 10 min	90.6% ± 0.4
120 °C, 20 min	89.5% ± 0.8
pH
2	89.5% ± 4.0
3	93.6% ± 0.5
4	94.0% ± 0.5
5	97.7% ± 2.5
6	96.6% ± 1.5
7	96.6% ± 2.5
8	97.4% ± 2.0
9	101.9% ± 0.5
10	100.8% ± 1.5
11	101.1% ± 1.0
Protease
Pepsin	73.61% ± 2.5
Papain	78.87% ± 1.5
Proteinase K	65.86% ± 2.5
Catalase	96.77% ± 2.0
α-Amylase	97.74% ± 1.0
Chemicals
EDTA (5 mmol/L)	97.2% ± 0.8
Tween-40 (5% v/v)	94.7% ± 1.2
Tween-80 (5% v/v)	98.3% ± 1.5
Triton-100 (5% v/v)	98.3% ± 1.8