Analysis of operating strategies in the production of special foods in vials by freeze drying

International Journal of Food Science and Technology

Volumn 32, Issue 2, 1997, Pages 107-115

  Lombraña, José I ^a   De Elvira, Carlos ^b   Villaran, María C ^a  

^a UNIVERSITY OF THE BASQUE COUNTRY UPV EHU   (Spain)

^b INSTITUTO DEL FRÍO CSIC   (Spain)

Author keywords

Dehydration; Drying cycles; Modelling; Process simulation

Indexed keywords

EID: 0031535561     PISSN: 09505423     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2621.1997.00382.x     Document Type: Article

References (20)

1. Boeh-Ocansey, O.A. (1983). A study of freeze-drying of some liquid foods in vacuo and at atmospheric pressure. Drying Technology, 2 (3), 389-411.
2. Carslaw, H.S. & Jaeger, J.C. (1959). Conduction of heat in solids, 2nd edn. Pp. 212-235. Oxford: Oxford University Press.
3. Farkas, B.E. & Singh, R.P. (1990). The effects of drying method in the porosity, pore size and particle density of diced chicken meat. International Drying Symposium IDS'90. Communication E5.29, Pragha.
4. King, V.E., Zall, R.R. & Ludington, D.C. (1989). Controlled low-temperature vacuum dehydration. A new approach for low-temperature and low-pressure food drying. Journal of Food Science, 54, 1573-1579.
5. Kochs, M., Körber, Ch., Heschel, I. & Nunner, B. (1993). The influence of the freezing process on vapour transport during sublimation in vacuum freeze-drying of macroscopic samples. International Journal of Heat and Mass Transfer, 36, 1727-1738.
6. Lin, S. (1981). An exact solution of the sublimation problem in a porous medium. Journal of Heat Transfer, 103, 165-168.
7. Litchfield, R.J., Liapis, A.I. & Farhadpour, F.A. (1987). Cycled pressure and near-optimal pressure policies for a freeze-drier. Journal of Food Technology, 16, 637-646.
8. Lombraña, J.I. & Diaz, M. (1987a). Coupled vacuum and heating power control for freeze-drying time reduction of solutions in vials. Vacuum, 37, 473-476.
9. Lombraña, J.I. & Díaz, M. (1987b). Heat programming to improve efficiency in a batch freeze-drier. Chemical Engineering Journal, 35, B23-B30.
10. Lombraña, J.I., De Elvira, C., Villarán, M.C. & Izcara, J. (1993). Simulation and design of heating profiles in heat controlled freeze drying of pharmaceuticals in vials by the application of a sublimation semispherical model. Drying Technology, 11, 471-488.
11. Lorentzen, J. (1979). Quality and economics in freeze-drying. Chemistry and Industry, 14, 465-468.
12. Mans, J. (1985). Computer in cool control at country's largest freeze-drying company. Prepared Foods, 12, 89-92.
13. Microfield, Rockfield Software Ltd, Swansea (1989).
14. Millman, M.J., Liapis, A.I. & Marchello, J.M. (1984). Guidelines for the desirable operation of batch freeze-driers during the removal of freewater. Journal of Food Technology, 19, 725-738.
15. Moy, J. & Spielmann, H. (1980). Economic feasibility of freeze-drying tropical fruit juices. Food Technology, Feb., 34, 32-38.
16. Rostami, A.A., Greif, R. & Russo, R.E. (1992). Modified enthalpy method to rapid melting and solidification. International Journal of Heat and Mass Transfer, 35, 2161-2172.
17. Succar, J. (1986). Estimation of thermophysical properties of foods at freezing temperatures. ASRHAE Transactions, 91, Part 2, 312-321.
18. Voller, V.R., Cross, M. & Walton, P. (1979). Assessment of weak solution techniques for solving Stefan problem. In: Numerical Methods in Thermal Problems (edited by R. W. Lewis & K. Morgan). P. 172. Swansea: Pineridge Press.
19. Williams, N.A. & Polli, G.P. (1984). The lyophilization of pharmaceuticals: A literature review. Journal Parenteral Science & Technology, 38, 48-59.
20. Wolff, E. & Gibert, H. (1987). Developments technologiques noveaux in lyophilization. Journal of Food Engineering, 8, 91-108.