Residual moisture content as related to collapse of freeze-dried sugar matrices.
Author(s) : BONELLI P., SCHEBOR C., CUKIERMAN A. L., BUERA M. P., CHIRIFE J.
Type of article: Article
Summary
Amorphous sugars were prepared by freeze-drying 20% (w/w) aqueous solutions of lactose, sucrose, trehalose and maltose. The dried samples were further dehydrated over phosphorus(2)-oxygen(5) for one week at 25, 35 or 45 deg C, and the residual moisture content was determined using oven drying or a thermogravimetric balance. Results indicated a small amount of residual moisture (usually 1-2%), which was not removed by the desiccation treatment for one week at 25 deg C over phosphorus(2)-oxygen(5). Further drying of samples shows different behaviour depending on the way this fluid drying is performed. Collapse of the structure is studied.
Details
- Original title: Residual moisture content as related to collapse of freeze-dried sugar matrices.
- Record ID : 1998-3207
- Languages: English
- Source: Ital. J. Food Sci. - vol. 62 - n. 4
- Publication date: 1997/07
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
- Themes: Freeze-drying of foodstuffs and other products
- Keywords: Structure; Freeze-drying; Sugar; Solution; Destruction; Dehydration
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Temperature and viscosity for structural collap...
- Author(s) : SUN W. Q.
- Date : 1997/03
- Languages : English
- Source: Cryo-Letters - vol. 18 - n. 2
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NONENZYMATIC BROWNING OF FREEZE-DRIED SUCROSE.
- Author(s) : FLINK J. M.
- Date : 1983
- Languages : English
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EFFECT OF DIFFERENT FREEZING TEMPERATURES AND O...
- Author(s) : ZACKEL E., MAKAI K.
- Date : 1984
- Languages : Hungarian
- Source: Hütöipar - vol. 30 - n. 1
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Drying characteristics in freeze-drying of aque...
- Author(s) : YOKOTA T., SUZUKI K.
- Date : 1992
- Languages : Japanese
- Source: Kagaku Hogaku Ronbunshu - vol. 18 - n. 1
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Controlled low temperature vacuum dehydration a...
- Author(s) : NARASIMHAM P., JOHN P. J.
- Date : 1995/07
- Languages : English
- Source: Int. J. Food Sci. Technol. - vol. 32 - n. 4
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