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Thermomechanical Property of Rice Kernels Studied by DMA

  • Hai-yan Jia , Dong Li , Yubin Lan , Bhesh Bhandari , John Shi , Xiao Dong Chen und Zhi-huai Mao
Veröffentlicht/Copyright: 11. April 2009
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The thermomechanical property of the rice kernels was investigated using a dynamic mechanical analyzer (DMA). The length change of rice kernels with a loaded constant force along the major axis direction was detected during temperature scanning. The thermomechanical transition occurred in rice kernels when heated. The transition temperatures were determined as 47°C, 50°C and 56°C for the medium-grain rice with the moisture contents of 18.1%, 16.0% and 12.5% (wet basis), respectively. Length change of the rice kernels increased with the increase of the temperature and moisture content. Among the four rice varieties investigated, the results showed that the thermomechanical property was not significantly affected by variety.

Published Online: 2009-4-11

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Heruntergeladen am 8.9.2025 von https://www.degruyterbrill.com/document/doi/10.2202/1556-3758.1563/html
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