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KMID : 0380619790110020122
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Korean Journal of Food Science and Technology
1979 Volume.11 No. 2 p.122 ~ p.125
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Radial Distribution of Calcium, Phosphorus, Iron, Thiamine and Riboflavin in the Degermed Brown Rice Kernel
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Abstract
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Degermed brown rice of Akibare (short grain) and Milyang 23 (medium grain) was abraded five-consecutive times to remove outer 5∼6% of the kernel per milling, Samples were analyzed for calcium, phosphorus, iron, thiamine and riboflavin. Milled fraction I (about 5∼6% of the kernel) contained 8 times as much calcium and phosphorus as did the original kernel; iron, 4∼5% thiamine, 3; and riboflavin, 4. Contents of fraction I were much greater than those in the residual kernel 18 times as great for calcium; 32∼36 times for phosphorus; 5∼10 times for iron 5 times for thiamine, and 19∼30 times for riboflavin. Milyang 23 showed a steeper concentration gradient of calcium and riboflavin, but more even distribution of iron than did Akibare. There were no significant differences in phosphorus and thiamine gradients between the two rices.
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