Table 1.

Isotherm parameters (±SEM) obtained by the graphical application of Langmuir and Freundlich models (Equations (1) and (2)) for the extraction of ZEN and ZELs by BBP in water.

Model		ZEN	α-ZEL	β-ZEL
Langmuir	Q0 (mg/g)	3.11 (±0.86)	5.28 (±1.41)	3.31 (±0.75)
	KL (L/mg)	0.60 (±0.25)	0.75 (±0.25)	0.47 (±0.15)
	R 2	0.982	0.997	0.993
Freundlich	KF (mg/g)(L/mg)1/n	1.16 (±0.07)	2.72 (±0.16)	1.04 (±0.01)
	1/n	0.79 (±0.10)	0.87 (±0.05)	0.76 (±0.02)
	R 2	0.967	0.995	0.999