Table 4. Antimicrobial activity of various extraction methods and fractions of P. mume fruit against Streptococcus mutans KCCM 40105

(A)
Strain Clear zone on plate (mm)
n-Hexane Ether Ethyl acetate Ethanol Water
S. mutans -1) 9.75±0.002)c)3) 9.99±2.01b 18.66±1.33a 20.18±1.29a
(B)
Strain 0% 30% 50% 70% 94.5%
S. mutans 20.29±1.79a 20.49±2.06a 19.09±1.25a 19.02±3.63a 19.65±1.04a
(C)
Strain n-Hexane Chloroform Ethyl acetate n-Butanol Water
S. mutans - - 12.74±1.71b 20.62±2.34a 17.77±0.86a
A, antimicrobial activities by extraction solvents; B, antimicrobial activities by ethanol extraction concentration; C, antimicrobial activities by fraction extraction.
Not detected.
All values are mean±SD (n=3).
Means in the same row followed by different letters are significantly different (p<0.05, a>b>c).