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| Titel: |
Effect of pre-drying treatment and storage on rheological properties of dried onion |
| Auteur: |
Lewicki, Piotr P. Sitkiewicz, Iwona |
| Verschenen in: |
International journal of food properties |
| Paginering: | Jaargang 2 (1999) nr. 1 pagina's 23-37 |
| Jaar: |
1999-03 |
| Inhoud: |
Compression-relaxation test was used to measure mechanical properties of dried onion and to identify their changes during storage. It was shown that variety of the onion and storage conditions applied in this work had no influence on the mechanical properties of dried onion. Pre-drying treatment affected strongly rheological properties of dried onion. Soaking in water, dipping in starch solution and osmotic dewatering were the pre-drying treatments affected rheological properties of dried onion the most. Rheological properties of dried onion were dynamic, and changed during storage. The kinetics of these changes depended on pre-drying treatment applied. Shrinkage stresses and moisture gradients resulted during drying were responsible for the variation of mechanical properties of dried onion. Relocation of water and relaxation of the shrinkage stresses were reflected in changes of rheological properties of dried onion during storage. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 8 gevonden artikelen
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