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脂肪酶降解马尾松TMP浆中的三酰甘油酯类物质 |
Enzymatic Hydrolysis of Triglyceride in the Pinus massoniana TMP Pulp Using Lipase |
收稿日期: |
DOI:10.11980/j.issn.0254-508X.2011.07.003 |
关键词: Burkholderia sp. ZYB002 脂肪酶 TMP纸浆 三酰甘油酯 降解 |
Key Words:Burkholderia sp. ZYB002 lipase TMP triglyceride enzymatic hydrolysis |
基金项目:国家“863”计划(2007AA100703)项目;国家自然科学基金项目(30870545);福建省自然科学基金(杰青)项目(2009J06013);福建省科技平台(2005Q007)资助项目。 |
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摘要:Burkholderia sp. ZYB002脂肪酶能有效降解马尾松TMP浆中的三酰甘油酯。实验优化了酶学降解工艺条件:浆浓6%,酶用量20 U/g绝干浆,纸浆pH值7.5,65℃下处理30 min。在此工艺条件下,TMP浆中39%的三酰甘油酯可以被分解。 |
Abstract:Triglyceride in the Pinus massoniana TMP pulp was hydrolysed by Burkholderia sp. ZYB002 lipase. The optimized technology was as follows: the pulp concentration was 6%, the dose of the lipase from Burkholderia sp. ZYB002 was 20 U/g on the oven dried thermomechanical pulp, the reaction was carried out at 65℃ for 30 mines with pH =7.5. In this optimized technology, the hydrolysis rate of the triglyceride reached 39%. |
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