乳酸菌和枯草芽孢杆菌PH敏感性实验
不同PH值处理对乳酸菌和枯草芽孢杆菌存活率的影响
处理时间 PH值 |
30(min) |
60(min) |
90(min) |
120(min) |
||||
乳酸菌 |
枯草芽孢杆菌 |
乳酸菌 |
枯草芽孢杆菌 |
乳酸菌 |
枯草芽孢杆菌 |
乳酸菌 |
枯草芽孢杆菌 |
|
PH 2.0 |
93% |
95% |
90% |
94% |
89% |
92% |
87% |
90% |
PH 3.0 |
95% |
96% |
94% |
95% |
91% |
93% |
90% |
93% |
PH 4.0 |
97% |
97% |
96% |
96% |
94% |
95% |
93% |
94% |
PH 5.0 |
98% |
99% |
97% |
99% |
97% |
98% |
96% |
98% |
PH 8.0 |
99% |
99% |
98% |
98% |
97% |
97% |
97% |
97% |
PH 9.0 |
98% |
98% |
98% |
98% |
97% |
97% |
95% |
96% |
PH 10.0 |
96% |
97% |
93% |
95% |
92% |
94% |
85% |
91% |