以谷朊粉为原料,利用谷氨酰胺转氨酶(TGase)的催化作用制备再生谷朊蛋白纤维,讨论了谷朊粉用量、酶浓度、反应时间、反应温度对谷朊蛋白纤维机械性能的影响,以及温度和pH值对成型纤维水解稳定性能的影响.结果表明,当谷朊粉的用量为30%,酶用量为5U/g(谷朊蛋白),反应时间为1h,反应温度为50℃时,制备出的谷朊蛋白纤维具有较好的物理机械性能;所制备的纤维的水解稳定性随温度的升高而降低,随pH值的降低而增加,TGase的催化作用改善了纤维的水解稳定性.
参考文献
[1] | Boyer R A .Soybean protein fibers experimental production[J].Industrial and Engineering Chemistry,1940,32(12):1549-1551. |
[2] | Zhang Yi;Ghasemzadeh S.;Kotliar Abraham M.;Kumar Satish;Presnell Steven;Williams .Fibes from Soybean Protein and Poly(vinyl alcohol)[J].Journal of Applied Polymer Science,1999(1):11-19. |
[3] | Zhang Xiefei;Min B G;Kumar S .Solution spinning and characterization of polyvinlyalcohol/soybean protein blend fibers[J].Journal of Applied Polymer Science,2003,90:716-721. |
[4] | 朱晶心,马彦龙,张耀鹏,邵惠丽,胡学超.甲醇处理对再生丝素蛋白干法纺丝纤维结构及性能的影响[J].功能材料,2011(03):571-573,576. |
[5] | Daa L.Woerdeman;Wim S.Veraverbeke;Richard S.Parnas;Dave Johnson;Jan A.Delcour;Lgnaas Verpoest;Christopher J.G.Plummer .Designing New Materials from Wheat Protein[J].Biomacromolecules,2004(4):1262-1269. |
[6] | Reddy N;Yang Y .Novel protein fibers from wheat gluten[J].Biomacromolecules,2007,8:638. |
[7] | Selling G;Sessa D J .Multivalent carboxylic acids to modify the properties of zein.[J].Industrial Crops and Products,2007(1):63-69. |
[8] | Laszlo L;Sylvia M .Transglutaminase[J].Molecular and Cellular Biochemistry,1984,58:9-35. |
[9] | Sharma R;Zakora M;Qvist KB .Susceptibility of an industrial alpha-lactalbumin concentrate to cross-linking by microbial transglutaminase[J].International Dairy Journal,2002(12):1005-1012. |
[10] | Reddy N;Tan Y;Li Ying et al.Effect of glutaraldehyde crosslinking condition on the strength and water stability of wheat gluten fibers[J].Macromolecules,2008,293(07):614-620. |
[11] | Weijie Xu;Yiqi Yang .Drug Loading onto and Release from Wheat Gluten Fibers[J].Journal of Applied Polymer Science,2010(2):708-717. |
[12] | 姚 穆.纺织材料学[M].北京:中国纺织出版社,2009:26-30. |
[13] | 贾光锋.微生物转谷氨酰胺酶改善谷朊粉凝胶特性研究[J].粮食与饲料工业,2007(05):16-18. |
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