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Table 3 Inhibition effect of citral, 4-hexen-3-one, oleic acid, and palmitic acid on urease activities of Helicobacter pylori strain ATCC 43526 and triple drug resistant Helicobacter pylori

From: Key lime (Citrus aurantifolia) inhibits the growth of triple drug resistant Helicobacter pylori

Concentration (μg/ml)

Citral

Urease activity (%)

4-Hexen-3-one

Urease activity (%)

Oleic acid

Urease activity (%)

Palmitic acid

Urease activity (%)

ATCC 43526

TDR

ATCC 43526

TDR

ATCC 43526

TDR

ATCC 43526

TDR

0

100

100

100

100

100

100

100

100

10

62.48

105.09

37.11

40.48

99.29

109.25

100.83

98.38

50

52.67

120.07

25.74

4.97

99.27

116.37

104.65

80.02

100

45.04

17.74

18.47

4.27

98.58

109.69

104.51

85.17

200

35.23

17.29

7.35

4.44

98.08

121.82

103.16

84.76

400

29.70

17.86

6.67

4.45

99.61

111.19

105.19

81.76

500

29.65

16.39

6.53

4.92

99.30

78.19

105.11

87.00

1000

14.75

17.26

6.38

5.14

98.90

72.97

84.51

47.34

  1. ATCC 43526 Helicobacter pylori strains ATCC 43526, TDR triple drug resistant