申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:US05385829A1
公开(公告)日:1995-01-31
A method of assaying for acyl-L-carnitines including short chain acyl-carnitines including acetyl-L-carnitine and propionyl-L-carnitine in a substance, comprises subjecting a sample of the substance to be analyzed to an enzymatic hydrolysis using an acyl-carnitine esterase. The esterase is produced by Alcaligenes sp. FERM BP-2570 and it has substrate specificity for acyl-L-carnitines including short-chain acyl-L-carnitines. In addition the esterase demonstrates substrate specificity for acetyl-L-carnitine and propionyl-L-carnitine. The enzyme facilitates the hydrolysis reaction of one mole each of the acyl-L-carnitines with one mole of water in which to form one mole each of the corresponding fatty acid and L-carnitine. The amount of the fatty acid and L-carnitine formed is determined by this method.
一种检测物质中酰基-L-肉碱的方法,包括短链酰基-肉碱,包括乙酰-L-肉碱和丙酰-L-肉碱。该方法包括将待分析物质的样品暴露于酰基-肉碱酯酶的酶解作用下进行酶解。该酯酶由Alcaligenes sp. FERM BP-2570生产,并具有对包括短链酰基-L-肉碱在内的酰基-L-肉碱的底物特异性。此外,该酶酯还表现出对乙酰-L-肉碱和丙酰-L-肉碱的底物特异性。该酶促进了每个酰基-L-肉碱与一个摩尔水反应的水解反应,形成相应的脂肪酸和L-肉碱的一个摩尔。通过该方法确定所形成的脂肪酸和L-肉碱的数量。