Details

Autor(en) / Beteiligte

• Moreira, R.
• Chenlo, F.
• Torres, M.D.

Titel

Simplified algorithm for the prediction of water sorption isotherms of fruits, vegetables and legumes based upon chemical composition

Ist Teil von

• Journal of food engineering, 2009-10, Vol.94 (3), p.334-343

Ort / Verlag

Oxford: Elsevier Ltd

Erscheinungsjahr

2009

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• A simplified algorithm of prediction of water sorption isotherms for some foods was developed. This model is based on the composition of the main compounds of foods (glucose, fructose, sucrose, salt, protein, fibre and starch) and the influence of temperature was included (it was tested at 25 and 40 °C). Reported experimental data were employed as reference to validate the developed prediction model. Sorption isotherms for apple, apricot, banana, chestnut, loquat, quince, raisin, carrot, garlic, pepper, pumpkin, turnip, potato, bean, chickpea and lupine were predicted and compared to those reported in literature. The proposed model was able to predict the presence or absence of crossing between sorption isotherms at different temperatures for the same food. Using the prediction model could be calculated equilibrium moisture content with a determination coefficient ( R 2) of (>0.982), a mean relative error ( E) of (<9.43%) and a standard error ( E RMS) of (<0.042 kg (kg d.b.) −1).