半乳糖氧化酶

物理性质

性状：冻干粉末。
溶解性：溶于水

作用与用途

Application Useful in the determination of lactose.
Preparation Note Chromatographically purified
Unit Definition One unit will produce a ΔA425 of 1.0 per min at pH 6.0 at 25 °C, in a peroxidase and o-tolidine system. Reaction volume = 3.4 mL. Light path = 1 cm.
Physical form Lyophilized, contains buffer salts and stabilizer
Biochem/physiol Actions 2-Deoxy-D-galactose, lactose, melibiose, raffinose and stachyose react with galactose oxidase in the peroxidase:o-tolidine system.
Essentially no oxidation of D-glucose, L-galactose, L-arabinose or D-glucuronate has been observed.

贮存方法

-20°C密闭，避光，通风干燥处