β-半乳糖苷酶来源于大肠杆菌,β-Galactosidase from Escherichia coli [Lactase];Grade VI, lyophilized powder, ≥250 units/mg protein
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- β-半乳糖苷酶来源于大肠杆菌,β-Galactosidase from Escherichia coli [Lactase];Grade VI, lyophilized powder, ≥250 units/mg protein