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. 2018 Mar 30;26(6):822–828. doi: 10.1016/j.jsps.2018.03.017

Table 2.

pH values in culture media by use of shih oil extract on S. mutans.

Treatment	Time
Treatment	0	6	12	18	24	48	72
−ve control	7^a ± 0	10.54^c ± 0.55	7.63^a ± 0.26	6.6^a ± 0.04	5.48^d ± 0.05	4.65^bd ± 0.07	3.55^e ± 0.03
+ve Control at MIC	7^a ± 0	6.53^a ± 0.25	5.38^b ± 0.21	4.08^b ± 0.09	3.3^b ± 0.09	3.03^b ± 0.06	2.93^d ± 0.05
+ve control at MBC	7^a ± 0	7.8^a ± 0.15	6.53^a ± 0.25	6.45^a ± 0.24	6.38^a ± 0.21	6.55^a ± 0.16	6.15^a ± 0.07
Plant extract at MIC	7^a ± 0	10.65^c ± 0.07	5.1^b ± 0.17	4.63^b ± 0.13	3.2^b ± 0.09	3.18^b ± 0.16	2.9^d ± 0.04
Plant extract at MBC	7^a ± 0	10.65^c ± 0.07	5.1^b ± 0.17	4.63^b ± 0.13	4.25^b ± 0.12	4.1^b ± 0.19	4.03^b ± 0.28

(1) −ve control = S. mutans in MHB; +ve control = Gentamicin (7.5 µg/ml MIC and 15 µg/ml MBC); Plant extract Shih (2.5 mg/ml MIC and 4 mg/ml MBC).

(2) Values are mean ± Standard error.

(3) Values in the same row and same time period bearing the same superscript do not differ significantly (P < 0.05).