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Table 3 Swarming motility inhibition on P. aeruginosa PA01 by compounds

From: Evaluation of anti-quorum sensing and antibiofilm effects of secondary metabolites from Gambeya lacourtiana (De Wild) Aubr. & Pellegr against selected pathogens

Compound

Swarming inhibition (%)

100 µg/mL

75 µg/mL

50 µg/mL

Acetylerythrodiol

10.59 ± 0.24

-

-

Amyrincapraote

19.85 ± 0.70

-

-

Erythrodiol 3-O-palmitate

12.90 ± 0.32

-

-

Erythrodiol

45.10 ± 0.11

28.52 ± 0.37

14.40 ± 0.05

3-O-acetylbetulin

11.19 ± 0.36

-

-

Betulinic acid

40.94 ± 1.05

21.22 ± 0.57

10.32 ± 0.21

3-O-acetyllupeol

11.50 ± 0.28

-

-

Lupeol

29.35 ± 0.80

12.72 ± 0.26

-

Myrianthic acid

33.81 ± 0.64

19.15 ± 0.25

13.11 ± 0.04

Pomolic acid

51.61 ± 1.24

35.85 ± 0.67

22.64 ± 0.44

Ursolic acid

54.74 ± 1.08

40.25 ± 0.65

15.92 ± 0.46

Taraxerone

24.24 ± 0.15

15.25 ± 0.32

11.38 ± 0.04

22,23-Dihydrospinasterol 3-O-β-D-glucopyranoside

13.75 ± 0.35

-

-

Spinasterol

25.15 ± 0.30

10.38 ± 0.16

-

Spinasterol 3-O-β-D-glucopyranoside

13.06 ± 0.10

-

-

Stigmasterol

21.38 ± 0.50

6.14 ± 0.05

-

Lacourtianamide

50.94 ± 1.05

31.42 ± 0.85

17.52 ± 0.34

Lacourtianoside II

15.26 ± 0.31

-

-

Epicatechin

58.84 ± 1.28

38.45 ± 0.68

20.52 ± 0.14

Methyl pheophorbide-a

22.52 ± 0.35

9.60 ± 0.2

-

  1. -: No inhibition; values are means ± SEM for three parallel measurements