| 用制糖米渣制备脱苦蛋白肽的研究 |
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| 引用本文： | 杨杰,侯春友,扈广法,邵纪生.用制糖米渣制备脱苦蛋白肽的研究[J].西部粮油科技,2010(6):63-65. |
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| 作者姓名： | 杨杰 侯春友 扈广法 邵纪生 |
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| 作者单位： | [1]西安科技大学化学与化工学院,西安710054 [2]陕西石油化工研究设计院,西安710054 |
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| 摘 要： | 采用胰蛋白酶和含有外切酶的复合蛋白酶同时酶解脱糖米渣,制得脱苦蛋白肽产品。采用凯氏定氮法测定所得脱苦蛋白肽的蛋白质含量,并用甲醛滴定法测定其水解度。结果表明,脱苦蛋白肽产品中蛋白质含量大于88%,水解度达19%。
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| 关 键 词： | 肽 蛋白酶 水解度 脱苦 |
Study on Debittering Peptide Preparation from De-Suger Rice Residue |
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| YANG Jie,HOU Chun-you,HU Guang-fa,SHAO Ji-sheng.Study on Debittering Peptide Preparation from De-Suger Rice Residue[J].China Western Cereals & Oils Technology,2010(6):63-65. |
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| Authors: | YANG Jie HOU Chun-you HU Guang-fa SHAO Ji-sheng |
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| Affiliation: | 1.School of Chemistry and Chemical Engineering, Xi＇an University of Science and Teehnology,Xi＇an 710054; 2.Shaanxi Research Design Institute of Petroleum and Chemieal Industry, Xi＇an 710054 ) |
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| Abstract: | Debittering peptide was prepared by enzymolysising de-sugar rice residue using trypsin and protamex containing exonuclease at the same time. The protein content of the resulted debitterring peptide was measured by Kjeldahl method, and the hydrolysis degree was also determined using formaldehyde titration method. The results showed that protein content of the debitterring peptide was more than 88%, and the hydrolysis degree was up to 19%. |
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| Keywords: | peptide proteinase hydrolysis degree debitter |
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