Table 4.

Mathematical models adjusted to the drying curves of Lippia thymoides leaves.

Models	Equations	References
Lewis	XR = exp(−k × t)	[68]
Henderson & Pabis	XR = a × exp(−k × t)	[68,69]
Page	XR = exp(−k × tn)	[70]
Diffusion approach	XR = a × exp(−k × t) + (1 − a) × exp(−k × b × t)	[38,71]
Midilli	XR = a × exp(−k × tn) + b × t	[72]
Wang & Singh	XR = 1 + a × t + b × t2	[69,71]

Note: k is the drying constant (min⁻¹); a, b, and n are the model coefficients.