. 2020 Dec 29;14(1):21. doi: 10.3390/ph14010021

Table 4.

Average value ± standard deviation (in mg/L) of the concentration of PTS and PTSO reached at the limit of the microbial growth inhibition zone.

Microorganism	McFarland	Limit of the Microbial Growth	PTS Concentration				PTSO Concentration
Microorganism	McFarland	Limit of the Microbial Growth	50 mg/mL	25 mg/mL	10 mg/mL	5 mg/mL	50 mg/mL	25 mg/mL	10 mg/mL	5 mg/mL
E. coli ATCC 25922	0.5	Radius	21.5	18	15.5	11.5	28	26	23	15.5
	0.5	Concentration	38.1 ± 3.3	36.9 ± 1.7	32.5 ± 1.4	30.3 ± 2.3	11.3 ± 0.9	9.5 ± 0.9	11.1 ± 0.4	11.0 ± 2.7
	1	Radius	19.5	17	12.5	7	26.5	24.5	17.5	12.5
	1	Concentration	41.9 ± 2.1	38.5 ± 1.9	38.1 ± 5.0	37.8 ± 4.9	12.2 ± 1.5	10.4 ± 0.5	12.9 ± 1.5	12.4 ± 0.7
	2	Radius	18.5	17	13.5	0	23.5	21	14.5	7
	2	Concentration	43.8 ± 1.8	38.8 ± 1.8	36.5 ± 2.6	≥48.5	14.2 ± 1.7	12.2 ± 2.3	13.8 ± 0.9	15.2 ± 1.0
K. pneumoniae ATCC 700603	0.5	Radius	14	11	8.5	2.5	15	12.5	7.5	2.5
	0.5	Concentration	53.1 ± 3.4	49.4 ± 1.9	45.3 ± 1.6	45.2 ± 1.7	19.9 ± 0.5	16.7 ± 0.6	16.3 ± 0.4	17.6 ± 0.6
	1	Radius	14	11.5	6	0	13.5	11	8	1.5
	1	Concentration	53.2 ± 4.0	48.8 ± 2.0	49.6 ± 2.5	≥48.5	20.9 ± 0.8	17.4 ± 0.7	16.1 ± 0.6	18.0 ± 0.7
	2	Radius	14	11	5.5	0.5	14	13	9	0.5
	2	Concentration	53.7 ± 3.7	49.4 ± 3.4	50.4 ± 2.9	≥48,5	20.7 ± 0.4	16.5 ± 0.6	15.8 ± 0.6	≥17.9
E. faecalis ATCC 29212	0.5	Radius	17.5	15	10.5	0.5	22	19	10	1.5
	0.5	Concentration	46.2 ± 4.9	42.2 ± 3.6	41.3 ± 4.6	≥48.5	15.2 ± 0.5	13.2 ± 1.7	15.5 ± 1.1	18.0 ± 1.3
	1	Radius	16.5	15	4	0	22	17	10.5	5.5
	1	Concentration	48.5 ± 1.8	42.8 ± 1.4	52.9 ± 7.7	≥48.5	15.4 ± 0.7	14.3 ± 2.0	15.3 ± 0.3	16.1 ± 3.5
	2	Radius	15.5	14	1.5	0	20	17.5	7	0
	2	Concentration	50.5 ± 2.0	44.3 ± 2.4	57.9 ± 4.7	≥48.5	16.7 ± 2.1	14.0 ± 1.6	16.5 ± 2.0	≥17.9
S. aureus ATCC 29213	0.5	Radius	22.5	19.5	15.5	14	28	26.5	25	15.5
	0.5	Concentration	36.1 ± 3.7	34.0 ± 2.9	32.8 ± 2.1	26.1 ± 2.0	11.3 ± 0.7	9.3 ± 0.5	10.4 ± 0.4	10.9 ± 2.6
	1	Radius	21	19	14.5	5.5	27.5	26	23.5	10.5
	1	Concentration	39.4 ± 1.9	35.4 ± 2.2	34.2 ± 1.8	40.6 ± 8.8	11.7 ± 1.0	9.5 ± 0.7	10.9 ± 0.5	13.5 ± 1.8
	2	Radio	19.5	17	12.5	6	25	26	14.5	9.5
	2	Concentration	42.3 ± 2.2	38.6 ± 1.9	38.0 ± 2.5	39.1 ± 6.1	13.3 ± 1.7	11.1 ± 0.7	13.8 ± 2.3	14.0 ± 1.1
C. albicans ATCC 200955	0.5	Radius	41	38.5	37	34.5	42	41	38.5	35
	0.5	Concentration	≤9.4	≤5.8	≤ 4.2	≤8.5	≤4.2	≤2.6	≤7.5	≤2.8
	1	Radius	39.5	38.5	34.5	32	42	40.5	39	36
	1	Concentration	≤9.4	≤5.8	≤4.2	≤8.5	≤4.2	≤2.6	≤7.5	≤2.8
	2	Radius	38	37.5	35.5	31	40.5	38	35.5	33.5
	2	Concentration	≤9.4	≤5.8	≤4.2	≤8.5	≤4.2	≤2.6	≤7.5	≤2.8
C. krusei ATCC 6258	0.5	Radius	43	41.5	40.5	36.5	43.5	43.5	41	38.5
	0.5	Concentration	≤9.4	≤5.8	≤4.2	≤8.5	≤4.2	≤2.6	≤7.5	≤2.8
	1	Radius	42.5	42	37.5	35.5	41.5	42	38	36.5
	1	Concentration	≤9.4	≤5.8	≤4.2	≤8.5	≤4.2	≤2.6	≤7.5	≤2.8
	2	Radius	42	36	37	34	41	39.5	37.5	36
	2	Concentration	≤9.4	≤5.8	≤4.2	≤8.5	≤4.2	≤2.6	≤7.5	≤2.8

Radius: average value (in mm) of the radius of the growth inhibition halos for the 10 assays carried out with each microorganism, inoculum, concentration and organosulfur compound (see Table 2).