Table 3. Minimal inhibitory concentration (MIC) of natural acids on B. subtilis and A. ruber

Strain	Natural acid (%)	100	50		25	16.7	12.5		3.125
B. subtilis	Mandarin	○1)	-3)		-	-	○		○
	Lemon	×2)	○		○	○	○		○
	Prunus mume	×	×		×	○	○		○
	Citron	○	-		-	-	○		○
Strain	Natural acid (%)	100	50	25	16.7	12.5	6.23	4.17	3.125
A. ruber	Mandarin	○1)	-3)	-	-	○	-	-	○
	Lemon	×2)	×	×	○	○	-	-	○
	Prunus mume	×	-	-	-	×	○	○	○
	Citron	○	-	-	-	○	-	-	○

Growth.
No growth.
No data.