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.