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

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

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