Full Length Research Paper
Abstract
Lavander has been used as a medicinal and aromatic plant and to treat several diseases. Knowledge of moisture desorption isotherms is useful in food dehydration and drying. Moisture equilibrium data of Lavandula officinalis L. leaves were determined by using the gravimetric static method with water activity ranging from 11 to 85% and three temperatures of 30, 40 and 50°C. Five mathematical models (modified Henderson, modified Oswin, modified Halsey, modified Chung – Pfost and GAB equations) were used to fit the experimental data of desorption. The modified Chung – Pfost model was the most suitable model for estimating desorption isotherms curves.
Key words: Lavandula officinalis L., equilibrium moisture content, desorption.
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