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Table 3 Zones of inhibition of selected ABHS against test organisms

From: Evaluation of quality and antimicrobial efficacy of locally manufactured alcohol-based hand sanitizers marketed in Addis Ababa, Ethiopia in the era of COVID-19

Hand sanitizer

Ethanol conc. (%v/v) ± SD

Zones of Inhibition (mm)

Escherichia coli

Pseudomonas aeruginosa

Staphylococcus aureus

Salmonella spp.

Shigella spp.

Klebsiella Spp

LPC 101

78.93 ± 0.12

10

12

11

10

12

6

LPC 102

83.80 ± 0.10

6

4

5

6

12

5

LPC 103

78.60 ± 0.10

11

11

9

13

15

6

LPC 104

80.37 ± 0.06

4

13

6

10

10

8

MPC 201

80.23 ± 0.12

8

8

4

4

4

4

MPC 202

78.53 ± 0.12

10

8

6

5

6

7

MPC 203

69.60 ± 0.10

9

9

5

5

4

5

MPC 204

77.70 ± 0.10

3

10

10

10

14

12

MPC 205

78.83 ± 0.06

10

12

7

10

10

8

MPC 206

82.33 ± 0.06

9

4

4

7

5

4

SPC 301

77.03 ± 0.06

8

11

7

8

9

6

SPC 302

69.67 ± 0.06

10

8

5

7

5

6

SPC 303

80.73 ± 0.06

11

10

8

8

12

5

SPC 304

77.47 ± 0.06

10

10

5

9

4

5

SPC 305

78.57 ± 0.06

10

5

8

6

5

8

SPC 306

72.57 ± 0.06

9

8

5

5

6

4

SPC 307

78.60 ± 0.10

12

9

10

4

4

6

SSC 401

72.70 ± 0.10

10

10

10

10

9

4

SSC 402

82.63 ± 0.12

5

11

5

4

5

5

SSC 403

72.63 ± 0.12

4

14

9

10

12

6

SSC 404

80.03 ± 0.12

7

5

5

5

4

5

SSC 405

56.80 ± 0.17

5

4

9

4

5

4

SSC 406

74.40 ± 0.10

7

13

10

9

8

9

SSC 407

77.33 ± 0.12

10

7

12

15

5

4

SSC 408

54.43 ± 0.15

9

13

13

10

4

7