期刊
JOURNAL OF FOOD ENGINEERING
卷 102, 期 3, 页码 217-223出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jfoodeng.2010.08.019
关键词
Artificial plant cell wall materials; Apple; Calcium; Bacterial cellulose; Pectin; Xyloglucan; Mechanical properties
资金
- Polish national budget for science [N N310 3221 33]
Bacterial cellulose alone with pectin added and with both pectin and xyloglucan added were produced as models for plant cell walls The artificial cell wall materials and natural apple tissue were treated with calcium and then subjected to tests of mechanical properties a tension test for the artificial cell wall materials and a compression test for the apple tissue It was found that pectin and xyloglucan had a significant effect on the mechanical properties of artificial cell wall materials making them more extensible A high concentration of calcium increased the failure strain and decreased the failure stress of these materials Treatment of apple tissue with calcium had similar effects on the failure stress and the secant modulus whereas the differences of failure strain and work to failure resulted in behaviour different from that of the artificial material Crown Copyright (C) 2010 Published by Elsevier Ltd All rights reserved
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