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Accession number;00A0213857
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| Title;Determination of Crude Protein Content in Single Grains of Rice by the Combustion Method. |
| Author;
OKUMA TOSHIHISA
(Akita Res. Inst. Food & Brewing, JPN)
KUMAGAI MASANORI
(Akita Res. Inst. Food & Brewing, JPN)
HORI KAZUYUKI
(Akita Res. Inst. Food & Brewing, JPN)
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Journal Title;Journal of the Japanese Society for Food Science and Technology
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Journal Code:F0895A
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ISSN:1341-027X
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VOL.47;NO.1;PAGE.37-40(2000)
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| Figure&Table&Reference;FIG.2, REF.10 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;The determination of crude protein (CP) content in a sample with a small amount of rice powder and single rice grain by the combustion method was investigated. Protein content by the combustion method was comparable to the applied Kjeldahl method in the range of 6.16-13.04% CP. The CP by the combustion method may be estimated from CP by the Kjeldahl method with the equation: {Combustion method CP=0.994. times. Kjeldahl method CP +0.068} (n=14, r=3, r2=0.995). No evidence was found for a consistent bias between these 2 methods (p<0.05). We investigated the variations in the CP content in 20 single grains of polished rice. The average was 6.66%, crude protein content ranged from 5.26 to 8.31% with the coefficients of variation of 12.9%. (author abst.) |
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