半乳糖氧化酶
物理性質
性狀:凍干粉末。
溶解性:溶于水
作用與用途
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.
貯存方法
-20°C密閉,避光,通風干燥處