申请人:Toyo Boseki Kabushiki Kaisha
公开号:EP1752769A1
公开(公告)日:2007-02-14
The present invention relates to a method for lowering activity with respect to maltose in glucose measurement comprising a step of reacting modified pyrroloquinoline quinone dependent glucose dehydrogenase subjected to amino acid sequence modification, wherein pyrroloquinoline quinone dependent glucose dehydrogenase is reacted in the presence of at least one type of substance selected from the group comprising succinic acid, malonic acid, glutaric acid, malic acid, phthalic acid, 2-ketoglutaric acid, 3,3-dimethylglutaric acid, pimeric acid, suberic acid, adipic acid, maleic acid, potassium chloride, ammonium chloride, diammonium hydrogen citrate, L-lysine, taurine, calcium glycerate, amino-n-butyric acid, sodium glycolate, sodium α-ketoglutarate, fumaric acid, glycine, glutamic acid, serine and citric acid.
本发明涉及一种在葡萄糖测定中降低麦芽糖活性的方法,该方法包括一个步骤,即使经氨基酸序列修饰的改性吡咯喹啉醌依赖性葡萄糖脱氢酶发生反应,其中吡咯喹啉醌依赖性葡萄糖脱氢酶在至少一种选自琥珀酸组的物质存在下发生反应、丙二酸、戊二酸、苹果酸、邻苯二甲酸、2-酮戊二酸、3,3-二甲基戊二酸、泛酸、辛二酸、己二酸、马来酸、氯化钾、氯化铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、柠檬酸氢二铵、L-赖氨酸、牛磺酸、甘油酸钙、氨基正丁酸、乙醇酸钠、α-酮戊二酸钠、富马酸、甘氨酸、谷氨酸、丝氨酸和柠檬酸。