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- Title
Osmotic dehydration kinetics of Terung Asam (Solanum lasiocarpum Dunal).
- Authors
Chiu, M. T.; Tham, H. J.; Lee, J. S.
- Abstract
Osmotic dehydration kinetics of Terung Asam (Solanum lasiocarpum Dunal) under different process temperature (35-55°C), sucrose concentration (40-60%) and immersion time (30-180 min) were studied. Results obtained indicated that water loss (WL) increased with sucrose concentration and temperature. Similarly, solid gain (SG) also increased with temperature elevation. The effective diffusivities calculated using Fick's model were in the range of 7.7678 x 10-10 to 11.6519 x 10-10 m2s-1 for WL and 3.5462 x 10-10 to 8.1056 x 10-10 m2s-1 for SG. Meanwhile, the activation energy for moisture diffusion varied from 4.900 to 7.423 kJmol-1 and for solid diffusion from 10.440 to 14.323 kJmol-1.
- Subjects
OSMOREGULATION; DEHYDRATION reactions; SOLANUM; SUCROSE; TEMPERATURE
- Publication
International Food Research Journal, 2017, Vol 24, Issue 6, p2365
- ISSN
1985-4668
- Publication type
Article