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Table 8 Zone of Inhibition and Quorum-sensing inhibition of synthesized compounds

From: Breaking down bacterial communication: a review of quorum quenching agents

Compound

Inhibition zone diameter (mm)

QS inhibition (mm)

Gram-positive bacteria

Gram-negative bacteria

C. violaceum

S. aureus

B. cereus

E. coli

P. aeruginosa

13

7

11

–

–

2

15

7

5

–

–

–

16

9

6

–

–

–

17

6

6

–

10

–

18

7

8

–

–

–

19

7

6

–

10

–

20

6

–

–

10

–

21

–

–

–

8

–

Ampicillin

6

10

10

–

NA