Effect of drying and tempering on rice fissuring analysed by integrating intra-kernel moisture distribution

Dong, Renjie; Lu, Zhanhui; Liu, Zhuqing; Shoji, K.; Cao, Wei

doi:10.1016/j.jfoodeng.2009.10.005

Cited by 62 publications

(45 citation statements)

References 23 publications

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“…3 that M202 variety absorbs and desorbs moisture faster than M206 which might make it more susceptible to fissuring. Dong, Lu, Liu, Koide, and Cao (2010) showed that the shape and the amylose content of a rice variety play major role in forming fissure resistance. The longer the length and the higher the amylose content of the grain, make it more resistant to fissuring.…”

Section: Modelmentioning

confidence: 99%

Dynamic vapor sorption isotherms of medium grain rice varieties

Bingöl

Prakash

Pan

2012

LWT - Food Science and Technology

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Section: Modelmentioning

confidence: 99%

Dynamic vapor sorption isotherms of medium grain rice varieties

Bingöl

Prakash

Pan

2012

LWT - Food Science and Technology

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“…Kunze and Choudhury (1972) conducted storage tests with rice under different relative humidity, concluding that higher values of moisture content lead to lower fissuring of rice. Dong, Lu, Liu, Koide, and Cao (2010) analyzed the effects of drying and tempering on rice fissuring. These authors stated that the percentage of fissured kernels increased with increasing drying time and decreasing tempering time.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of rough and dehulled rice during drying

et al. 2013

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This work aimed to determine the mechanical properties of rough and dehulled rice grains, for different moisture contents, by obtaining their rupture force, deformation, maximum compression force and proportional deformity modulus under a compression test. Rice grains, with moisture content varying from 0.12 to 0.30 (d.b.), were subject to an uniaxial compression in order to analyze these properties. On reducting moisture content the rupture force increased from 37.2 to 70.6 N for dehulled rice and 48.0 to 79.5 N for rough rice. The average compression force varied from 131 to 171 N for dehulled rice and 203 to 283 N for rough rice. The value range of proportional deformity modulus was from 5.5 x 109 to 7.4 x 10 9 Pa for dehulled rice and 9.5 x 10 9 to 12.3 x 10 9 Pa for rough rice. Rough rice presented more resistance to compression compared to dehulled rice.

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“…Researchers recommend multi-pass drying procedure (drying-tempering) to remove moisture from freshly harvested rough rice (Cnossen and Sibenmorgrn, 2000;Dong et al, 2010;Igathinathane and Chattopadhyay, 2002;Madamba and Yabes, 2005;Thakur and Gupta, 2006). Time and temperature are the main parameters in tempering operation.…”

Section: Introductionmentioning

confidence: 99%

Head rice yield response to low and high drying and tempering conditions

Sadeghi¹,

Nasrnia²,

Masoumi³

et al. 2013

International Agrophysics

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A b s t r a c t. The influence of drying and tempering conditions on head rice yield of long-and medium-grain rough rice varieties was investigated. The head rice yield values for the medium-grain variety at high drying conditions and 1.5 and 3% points moisture content removal were even significantly higher than the corresponding values for the long-grain variety at low drying conditions. 1.5% points moisture content removal yielded the least damage to the rough rice. Under low drying conditions, tempering had no meaningful effect on head rice yield for all drying durations. For both varieties, using high drying conditions with 6% points moisture content removal at first drying stage associated with 120 min tempering duration could be suggested as a rapid and energysaving operation to achieve high head rice yield values.K e y w o r d s:

show abstract

Effect of drying and tempering on rice fissuring analysed by integrating intra-kernel moisture distribution

Cited by 62 publications

References 23 publications

Dynamic vapor sorption isotherms of medium grain rice varieties

Dynamic vapor sorption isotherms of medium grain rice varieties

Mechanical properties of rough and dehulled rice during drying

Head rice yield response to low and high drying and tempering conditions

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