酶解法制取蚕蛹多肽 |
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引用本文: | 王玉海,孙卫东,秦志喧,邱英华,陆海勤,李凯.酶解法制取蚕蛹多肽[J].大众科技,2012(5):97-98. |
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作者姓名: | 王玉海 孙卫东 秦志喧 邱英华 陆海勤 李凯 |
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作者单位: | 1. 南宁创新科技医药技术有限公司,广西南宁530007 2. 广西大学轻工与食品工程学院,广西南宁530004 |
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基金项目: | 广西科学研究与技术开发计划项目(桂科攻0992005-5) |
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摘 要: | 以蚕蛹为原料,经脱脂后,采用碱法提取蚕蛹蛋白,以双酶水解的方法制取可溶性蚕蛹多肽,最佳制取条件为固液比1:10,水解温度45℃,酶用量3%(木瓜蛋白酶:胰蛋白酶=1:1),水解时间6h,在此条件下制备的蚕蛹多肽得率为62.5%。使用胃蛋白酶和胰蛋白酶分别水解时,多肽得率为58.7%。
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关 键 词: | 蚕蛹多肽 蚕蛹蛋白 酶水解 |
Study on preparation conditions of peptides from silkworm pupa protein by enzyme hydrolysis |
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Abstract: | The peptides were prepared from silkworm pupa protein by hydrolysis with compound enzyme.The favorable method of hydrolysis is:enzyme(papain:trypsin=1:1) 2%,Temp.45℃,hydrolysis time 6 hours,and the ratio of solid to liquid 1:10.The yield of pupa peptide can reach 62.5%.When the pupa protein is hydrolyzed by pepsin and tripsin separately,the yield of pupa peptide is 58.7%. |
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Keywords: | silkworm pupa peptides enzyme hydrolysis silkworm pupa protein |
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