Mathematical modeling of the drying process of gluten-free pasta according to temperature and relative humidity

Authors

  • Virginia Larrosa Facultad de Bromatología, Universidad Nacional de Entre Ríos. Pte. Perón 64, Gualeguaychú (2820), Argentina.
  • Gabriel Lorenzo (1) Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), Facultad de Cs. Exactas, UNLP-CONICET. 47 y 116, La Plata (1900), Argentina. (2) Depto. Ingeniería Química, Facultad de Ingeniería, UNLP, Argentina.
  • Noemí Zaritzky (1) Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), Facultad de Cs. Exactas, UNLP-CONICET. 47 y 116, La Plata (1900), Argentina. (2) Depto. Ingeniería Química, Facultad de Ingeniería, UNLP, Argentina.
  • Alicia Califano Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), Facultad de Cs. Exactas, UNLP-CONICET. 47 y 116, La Plata (1900), Argentina.

DOI:

https://doi.org/10.26461/11.07

Keywords:

Mathematical modeling, heat transport, mass transport

Abstract

The aim of this work was to study the effect of operating variables (temperature and relative humidity (RH) of the air) on the drying rate of gluten-free (GF) pasta by mathematically modeling the drying process. The drying process was modeled using heat and mass coupled balances, considering bidirectional transport. A diffusional model for water transfer through pasta was assumed and heat transport was based on a conductive model. Pasta properties and transport coefficients were determined using pasta composition and process conditions. GF noodles geometry was 200x8,07x1,80 mm and a bidimensional transport was considered. Experimental runs were performed to validate the model. Four combinations of temperature (30–50 ºC) and relative humidity (40-80%) were used, maintaining pasta dough composition constant. Experimental water losses were modeled using finite element method to solve the partial differential equations. The model fitting to experimental data was good and a validation with independent data was also satisfactory. The average water diffusional coefficient was 3,5x10-11m2/s, similar to that reported for wheat pasta. GF noodles drying process was much faster than drying traditional wheat pasta under the same operating conditions.

Downloads

Download data is not yet available.

References

AOAC International, 2000. Official Methods of Analysis of AOAC International. 13a ed. Gaithersburg: AOAC. Official Method 926.07 B.

De Temmerman, J., Verboven, P., Nicolai, B. y Ramon, H., 2007. Modelling of transient moisture concentration of semolina pasta during air drying. En: Journal of Food Engineering, 80(3), pp.892-903.

Geankoplis, C., 2003. Transport processes and separation process principles (includes unit operations). 3ra ed. New Jersey:Prentice Hall Press.

Kill, R.C y Turnbull, K., 2001. Pasta and semolina technology. Oxford: Blackwell Science Ltd.

Larrosa, V., Lorenzo, G., Zaritzky, N. y Califano, A., 2013. Optimization of rheological properties of gluten-free pasta dough using mixture design. En: Journal of Cereal Science, 57(3), pp.520-526.

Mercier, S., Moresoli, C., Villeneuve, S., Mondor, M. y Marcos, B., 2013. Sensitivity analysis of parameters affecting the drying behaviour of durum wheat pasta. En: Journal of Food Engineering, 118(1), pp.108-116.

Migliori, M., Gabriele, D., de Cindio, B. y Pollini, C.M., 2005. Modelling of high quality pasta drying: mathematical model and validation. En: Journal of Food Engineering, 69(4), pp.387-397.

Saravacos, G. D. y Maroulis, Z. B., 2001. Transport properties of foods. New York: CRC Press.

Tscheuschner, H.D., 2001. Fundamentos de tecnología de los alimentos. Zaragoza: Ed. Acriba S.A.

Veladat, R., Zokaee Ashtiani, F., Rahmani, M. y Miri, T., 2012. Review of numerical modeling of pasta drying, a closer look into model parameters. En: Asia‐Pacific Journal of Chemical Engineering, 7(2), pp.159-170.b.

Published

2016-07-09

How to Cite

Larrosa, V., Lorenzo, G., Zaritzky, N., & Califano, A. (2016). Mathematical modeling of the drying process of gluten-free pasta according to temperature and relative humidity. INNOTEC, 1(11 ene-jul), 54–58. https://doi.org/10.26461/11.07

Issue

Section

Articles

Most read articles by the same author(s)