EFFECT OF BROWN RICE TEMPERATURE ON THE RICE MILLING QUALITY DURING THE POLISHING PROCESS

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SABOURI S.; ROOFIGARI HAGHIGAT SH.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Biosystems Engineering Year:2012 | Volume:43 | Issue:2 Page(s): 187-192

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Information Journal Paper

Title

EFFECT OF BROWN RICE TEMPERATURE ON THE RICE MILLING QUALITY DURING THE POLISHING PROCESS

Author(s)

SABOURI S. | ROOFIGARI HAGHIGAT SH. | Issue Writer Certificate

Keywords

BROWN RICEQ2

TEMPERATUREQ2

WHITENINGQ2

RECOVERY INDEXQ3

BREAKAGE PERCENTQ3

Abstract

A cause for breakage of rice kernels during the WHITENING process could be assumed to be due to the produced heat. It is partly because of abrasion and friction of grains produced by contact against themselves and/or against cone and concave. In this study the effect of different TEMPERATUREs of BROWN RICE on rice kernels' breakage during the WHITENING process was investigated. Khazar cultivar was utilized throughout the experiment. Rough rice samples were dried up to 10-11 percent moisture content. Samples were hulled to the point of 90±2% through a rubber roll husker. The samples were packed in plastic bags and stored in –13, 5, 18, 25, 35, 45 and 55oC. WHITENING was performed through a pilot friction type whitener lasting for three different time intervals of 30, 35, and 40 seconds. A factorial experiment consisting of two factors of BROWN RICE TEMPERATUREs and different WHITENING times as based on a completely randomized design of six replications was taken into account. The results revealed that rice TEMPERATUREs up to 25oC did not significantly affect milled rice yield. However yeild decreased in TEMPERATUREs exceeding 25oC. The reduction was 1.94% when TEMPERATURE was raised to 55oC. Broken grain percentage increased for about 3.7% when TEMPERATURE increased to the 55oC. The lowest brightness index was observed when TEMPERATURE was set at 5-25oC. At – 13oC and at 35-55oC the brightness index was recorded higher than those at the other TEMPERATUREs.

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APA: Copy

SABOURI, S., & ROOFIGARI HAGHIGAT, SH.. (2012). EFFECT OF BROWN RICE TEMPERATURE ON THE RICE MILLING QUALITY DURING THE POLISHING PROCESS. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 43(2), 187-192. SID. https://sid.ir/paper/144372/en

Vancouver: Copy

SABOURI S., ROOFIGARI HAGHIGAT SH.. EFFECT OF BROWN RICE TEMPERATURE ON THE RICE MILLING QUALITY DURING THE POLISHING PROCESS. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2012;43(2):187-192. Available from: https://sid.ir/paper/144372/en

IEEE: Copy

S. SABOURI, and SH. ROOFIGARI HAGHIGAT, “EFFECT OF BROWN RICE TEMPERATURE ON THE RICE MILLING QUALITY DURING THE POLISHING PROCESS,” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 43, no. 2, pp. 187–192, 2012, [Online]. Available: https://sid.ir/paper/144372/en

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