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KMID : 0380619720040040235
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Korean Journal of Food Science and Technology
1972 Volume.4 No. 4 p.235 ~ p.238
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Estimation of Nitrogen Content in Brown Rice by Colorimetric Method
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Abstract
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A biuret method by Johnson and Craney (1971) was slightly modified and applied to the multiple analysis of nitrogen in brown rice. The results were compared with those by the dye-binding method to see if the former be applicable to the determination of higher nitrogen content in rice.
The nitrogen content of rice samples ranged from 1.2∼2.0%. The correlation between biuret absorbance and nitrogen content was highly significant; its correlation coefficient being 0.841. The biuret method, however, showed rather lower correlation coefficient in case of high nitrogen samples.
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