Table 5.

Inhibition percentage of histamine release in RBL2H3 cells by the cetirizine, CTZAN, CTMAN, Zn/Al-LDH and Mg/Al-LDH.

Concentration (ng/mL)	Inhibition (%)
	Cetirizine	CTZAN	CTMAN	Zn/Al-LDH	Mg/Al-LDH
1000	80.0	73.5	45.6	3.7	2.6
500	73.7	64.6	40.3	3.7	2.0
250	58.1	44.0	31.7	1.4	1.5
125	50.2	33.9	26.4	1.8	0.2
62.5	29.0	20.1	14.2	0.7	0.2
31.25	19.3	12.6	6.1	−1.2	0.1
15.63	8.5	4.3	1.6	1.7	−2.9