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| Titel: |
Investigation of the Effects of Microwave Treatment on the Optical Properties of Apple Slices During Drying |
| Auteur: |
Askari, G. R. Emam-Djomeh, Z. Mousavi, S. M. |
| Verschenen in: |
Drying technology |
| Paginering: | Jaargang 26 (2008) nr. 11 pagina's 1362-1368 |
| Jaar: |
2008-11 |
| Inhoud: |
The objective of this work was to study the changes of optical properties of apple (Golden Delicious) slices during drying. The optical parameters compared on the basis of Hunter values (L, a, b) changes as well as total color difference (ΔE) and browning index (BI). The effect of coating materials including carboxymethylcellulose (CMC), starch, and pectin as well as microwave treatment on optical properties and microstructure of dried samples were investigated. To analyze the effects of these processes on microstructure, scanning electron microscopy (SEM) was employed. Results showed that optical properties as well as microstructure of apple were affected by coating material and drying condition. Coated samples by CMC had a lower L and higher BI, but different results in the presence of starch were obtained. Microwave treatment in the presence of appropriate coating materials could improve the optical properties of dried apple slices. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 31 van 60 gevonden artikelen
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