Product Description
Reference Standards &Impurity
AI Product Description
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Galactose, often referred to as "brain sugar," is a vital monosaccharide belonging to the aldohexose family. Chemically, it is an isomer of glucose and fructose, distinguished by its specific stereochemical configuration at the C4 carbon position. Its molecular formula is C₆H₁₂O₆, and it carries the CAS registry number 59-23-4. This white, crystalline powder is highly soluble in water but less so in ethanol. Unlike glucose, galactose cannot be directly utilized by most cells for energy production; instead, it must first be converted into glucose-1-phosphate through the Leloir pathway within the liver before entering glycolysis.
In industrial and pharmaceutical applications, galactose serves as a critical building block for complex biological molecules. It is an essential component of lactose, the primary sugar found in mammalian milk, and is also a key structural unit in various glycoproteins and glycolipids that form cell membranes. These surface molecules play pivotal roles in cell-to-cell recognition, immune response regulation, and tissue development. Consequently, galactose is extensively used in the formulation of infant formulas to mimic human breast milk composition accurately. In research settings, it acts as a crucial substrate for studying metabolic disorders, particularly Galactosemia, a genetic condition where the body lacks the enzymes necessary to metabolize galactose properly.
Beyond nutrition, galactose derivatives are employed in biotechnology for synthesizing specific oligosaccharides used in drug delivery systems and vaccine development. Its unique ability to interact with lectins makes it valuable in diagnostic assays and affinity chromatography for protein purification. Furthermore, recent studies suggest potential therapeutic applications in managing neurodegenerative diseases due to its involvement in neuronal membrane integrity. While generally recognized as safe (GRAS) for food use, precise dosage control is necessary for individuals with metabolic deficiencies. As a fundamental biochemical reagent, galactose remains indispensable across food science, clinical diagnostics, and advanced biomedical research, bridging the gap between basic carbohydrate chemistry and complex physiological functions.