. 2019 Oct 10;9:14658. doi: 10.1038/s41598-019-50746-4

Table 3.

Minimum Inhibitory Concentrations against Gram-Negative bacteria measured under aerobic conditions, µg/mL.

Anti-acne agent Bacteria	antibiotics	non-antibiotics
E. coli ATCC 25922	–	1–2	>32	2	1	>4100	16000	16000	2048
A. johnsonii ATCC 17909	64	>32–16	0.5	0.06	0.015–0.03	256	2000	8000–16000	2048

Anti-acne
agent
Bacteria

antibiotics

non-antibiotics

Colistin

Tetracycline

Erythromycin

Oxacillin

Clindamycin

Dapsone

Salicylic acid

Azelaic acid

Benzoyl peroxide 75%

E. coli

ATCC 25922

–

1–2

>32

>4100

16000

2048

A. johnsonii

ATCC 17909

>32–16

0.5

0.06

0.015–0.03

256

2000

8000–16000

2048

[n = 4, duplicate results from 2 independent assays.]