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Screening Oxalate Oxidase from Plants and Evaluation on Their Application
Author(s): DONG Deng-feng, WANG Yong-feng
Pages: 30-
34
Year: 2008
Issue:
2
Journal: SUBTROPICAL PLANT SCIENCE
Keyword: 草酸氧化酶; 筛选; 性质;
Abstract: 以44科88种植物叶片为酶源,检测出具有OXO活性的植物34科60种,其中OXO比活力较高(>0.02U/mg protein且>0.2U/g·fw)的有30种.为评估酶法清除动物体内草酸的可能性,研究了松果菊、白花败酱、草珊瑚、白鹤灵芝和甘草的OXO性质.结果表明,5种植物OXO都具有极强的酸、热稳定性;松果菊、白鹤灵芝和白花败酱OXO活性不受胃蛋白酶、NaCl和CaCl2抑制,具有较好的应用潜力;甘草OXO活性不受NaCl和CaCl2抑制,但受胃蛋白酶降解;而草珊瑚OXO受NaCl、CaCl2及胃蛋白酶抑制.
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