| 超滤对水飞蓟蛋白酶解物抗氧化活性的影响 |
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| 引用本文： | 朱淑云,董英,周越,陈晓东. 超滤对水飞蓟蛋白酶解物抗氧化活性的影响[J]. 林产化学与工业, 2011, 31(5): 37-40 |
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| 作者姓名： | 朱淑云 董英 周越 陈晓东 |
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| 作者单位： | 江苏大学食品与生物工程学院,江苏镇江,212013 |
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| 基金项目： | 江苏大学博士研究生科研创新计划(CX10B_007X); 江苏高校优势学科建设工程资助项目(无编号) |
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| 摘 要： | 采用超滤法从水飞蓟蛋白酶解物中初步分离纯化抗氧化活性肽,考察操作压力、操作温度及酶解物质量分数对超滤过程中膜通量的影响,并对超滤前后水飞蓟蛋白酶解物的抗氧化活性进行比较结果表明:采用截留相对分子质量5 000的聚醚砜膜对水飞蓟蛋白酶解物进行超滤分离的最适工艺条件为操作压力0.1 MPa、操作温度25℃、酶解物质量分数2...
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| 关 键 词： | 水飞蓟蛋白 酶解 超滤 抗氧化活性 |
Effect of Ultrafiltration on Antioxidant Activity of Silybum marianum Protein Hydrolysates |
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| ZHU Shu-yun,DONG Ying,ZHOU Yue,CHEN Xiao-dong. Effect of Ultrafiltration on Antioxidant Activity of Silybum marianum Protein Hydrolysates[J]. Chemistry & Industry of Forest Products, 2011, 31(5): 37-40 |
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| Authors: | ZHU Shu-yun DONG Ying ZHOU Yue CHEN Xiao-dong |
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| Affiliation: | ZHU Shu-yun,DONG Ying,ZHOU Yue,CHEN Xiao-dong (School of Food and Biological Engineering,Jiangsu University,Zhenjiang 212013,China) |
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| Abstract: | The ultrafiltration method for preliminary separation and purification of peptide with antioxidant activity from Silybum marianum protein hydrolysates was studied.The effects of pressure,temperature,concentration of hydrolysates on membrane flux were investigated.The antioxidant activity of Silybum marianum protein hydrolysates before ultrafiltration was compared with that after ultrafiltration.The results showed that the optimum conditions of ultrafiltration were concentration of hydrolysates 2 %,pressure ... |
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| Keywords: | Silybum marianum protein enzymatic hydrolysis ultrafiltration antioxidant activity |
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