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缫丝蚕蛹蛋白酶法水解条件优化

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目的:利用酶水解缫丝蚕蛹蛋白,拟为其深度开发利用提供参考.方法:利用蛋白酶水解缫丝蚕蛹蛋白,并用分光光度法测定各指标.结果表明:单酶水解时,实验所用的8种酶中以蚕蛹蛋白水解专用酶的水解度最高,最佳水解条件是底物浓度7%,温度53℃,pH7.2,加酶量3%,水解度达到21.44%.
Optimization of protease hydrolysis conditions on silkworm pupa protein
Purpose:Enzyme hydrolysis of silkworm pupa protein was studied in order to provide references to deeply exploit silkworm pupa protein.Methods:Protease was used to hydrolyze silkworm pupa protein and spectrophotometry was used to detect indicators.Results:When hydrolyzed by single protease,dedicated protease for silkworm pupa protein showed the highest hydrolysis degree out of 8 proteases used in the experiment,the best hydrolysis conditions were:the substrate concentration was 7%,53℃,pH7.2,the additive amount of protease was 3%,and the hydrolysis degree turned out to be 21.44%.

silkworm pupa proteinenzyme hydrolysisoptimization of conditions

钟雨珅、罗金凤、黄先智、丁晓雯

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西南大学食品科学学院,重庆市农产品加工及贮藏重点实验室,重庆400715

西南大学蚕学与系统生物学研究所,重庆400715

缫丝蚕蛹 酶水解 条件优化

国家桑蚕产业技术体系蚕茧综合利用项目公益性行业(农业)科研专项项目

CARS-22-ZJ0503201303053

2014

食品工业科技
北京一轻研究院

食品工业科技

CSTPCDCSCD北大核心
影响因子:0.842
ISSN:1002-0306
年,卷(期):2014.35(17)
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