Hygroscopic and thermodynamic behavior of carob fruit and leaves

Hygroscopic and thermodynamic behavior of carob fruit and leaves

Identification and characterization of Moroccan carob by the study of phenomenological thermodynamics

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Determination of sorption isotherms is a very important step in food processing. These curves are a plot of the moisture content of the food as a function of water activity (aw). Valuable information could be extracted from sorption data, for drying, storage, and packaging. Our aim is to develop adsorption and desorption isotherms for carob fruit and leaves (Ceratonia siliqua L.) at 30, 40, and 50 °C using the standard static gravimetric method. The sorption isotherms visualized a type II shape according to Brunauer-Emmet-Teller (BET) classifications. A hysteresis effect existed over the rang...