グレード&純度BioReagent?BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility.
Under the action of a complex enzyme system containing galactose dehydrogenase, galactose is decomposed, simultaneously reducing NAD⁺ to NADH. NADH then reacts with a specific chromogenic agent to form a yellow substance with a characteristic absorption peak at 450 nm. The galactose content is calculated by measuring the increase of this substance.
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