PelegMSI {PUPMSI}

Peleg Moisture Sorption Isotherm

Description

Peleg model is an empirical 4-parameter isotherm which describes sigmoidal and non-sigmoidal behavior of isotherm plots.

Usage

PelegMSI(WaterAct, AdsorpM, DesorpM)

Arguments

WaterAct

the numerical value of Water Activity, which ranges from 0 to 1.

AdsorpM

the numerical value of the Moisture content of the Adsorption curve, which ranges from 0 to 1.

DesorpM

the numerical value of the Moisture content of the Desorption curve, which ranges from 0 to 1.

Value

the nonlinear regression, parameters, and graphical visualization for the Peleg Moisture Sorption Isotherm model.

Author(s)

Benz L. Rivera

John Carlo F. Panganiban

Kim M. Villacorte

Chester C. Deocaris

References

Abu-Ghannam, N., & McKenna, B. (1997) <doi:10.1016/S0260-8774(97)00034-4> The application of Peleg's equation to model water absorption during the soaking of red kidney beans (Phaseolus vulgaris L.). Journal of Food Engineering, 32(4), 391-401.

Peleg, M. (1993) <doi:10.1111/j.1745-4530.1993.tb00160.x> Assessment of a semi-empirical four parameter general model for sigmoid moisture sorption isotherms. Journal of Food Process Engineering, 16(1), 21-37.

Examples

WaterAct <- c(0.1145,0.2274,0.3265,0.4291,0.6342,0.7385,0.8274,0.9573)
AdsorpM <- c(0.0234, 0.0366, 0.0496, 0.0648, 0.0887, 0.1096, 0.1343, 0.1938)
DesorpM <- c(0.0459, 0.0637, 0.0794, 0.0884, 0.1158, 0.1298,0.1500, 0.1938)
PelegMSI(WaterAct, AdsorpM, DesorpM)