Table 6. Heat and pH stability of P. mume fruit 30% ethanol extract against Streptococcus mutans KCCM 40105
(A)
Strain
Clear zone on plate (mm) (11.48 mg/mL)
Control
Heating temperature
60
80
100
121
S. mutans
19.34±3.261)a2)
18.88±2.53a
19.85±3.01a
18.71±2.75a
18.73±1.95a
(B)
Strain
Control
pH
2
4
6
8
10
S. mutans
20.70±13.52a
15.96±2.90a
11.86±1.69a
-3)
-
-
A, antimicrobial activities by heat treatments; B, antimicrobial activities by pH treatments. All values are mean±SD (n=3). Means in the same row followed by different letters are significantly different (p<0.05). Not detected.