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. 2023 Jul 27;9(8):e18749. doi: 10.1016/j.heliyon.2023.e18749

Table 10.

Effect of pH on the sporicidal activity of T. catappa L. extract against spores of B. cereus, B. subtilis, B. pumilus and B. megaterium.

pH	Inoculum/Extract	Colony count (spores/mL)
pH	Inoculum/Extract	Bacillus cereus	Bacillus subtilis	Bacillus pumilus	Bacillus megaterium
3	Inoculum	6.19 ± 0.01^a	6.14 ± 0.05^a	6.11 ± 0.09^a	6.02 ± 0.09^a
3	1% extract	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b
6.858 (original)	Inoculum	6.19 ± 0.01^a	6.14 ± 0.05^a	6.11 ± 0.09^a	6.02 ± 0.09^a
6.858 (original)	1% extract	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b
7	Inoculum	6.19 ± 0.01^a	6.14 ± 0.05^a	6.11 ± 0.09^a	6.02 ± 0.09^a
7	1% extract	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b
10	Inoculum	6.19 ± 0.01^a	6.14 ± 0.05^a	6.11 ± 0.09^a	6.02 ± 0.09^a
10	1% extract	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b

Values are the mean ± S.D. of replications. Values with different superscript letters within the same column are significantly different (p < 0.05).