Overview
Mannose is a naturally occurring monosaccharide that plays a critical role in human metabolism, particularly in protein glycosylation. It is structurally similar to glucose but differs in the orientation of the hydroxyl group at the second carbon atom. Mannose is found in various plants, fruits, and microorganisms, and it is often extracted for use in dietary supplements, pharmaceuticals, and food additives. In the human body, mannose is involved in the synthesis of glycoproteins and glycolipids, which are essential for cellular communication and immune function. Due to its unique metabolic pathway, mannose is sometimes used as a supplement to support urinary tract health and manage certain metabolic disorders.
Physical and Chemical Properties
Mannose is a white crystalline powder with a sweet taste, similar to glucose but less sweet. It is a reducing sugar, meaning it can donate electrons in chemical reactions, and it is hygroscopic, absorbing moisture from the air. The molecular formula of mannose is C6H12O6, and it has a molecular weight of 180.16 g/mol. Mannose is soluble in water and slightly soluble in ethanol. Its melting point ranges between 132-135 °C. The sugar is stable under normal storage conditions but should be kept away from moisture to prevent clumping and degradation. Its density is approximately 1.54 g/cm³, making it a relatively lightweight compound.
Main Applications
Mannose is widely used in the pharmaceutical industry as an excipient and active ingredient in medications targeting urinary tract infections and metabolic disorders. It is also a popular dietary supplement, often marketed for its potential to support immune function and gut health. In the food industry, mannose is used as a sweetener and stabilizer in various products. Its ability to bind to proteins makes it valuable in research and biotechnology, particularly in glycobiology studies. Additionally, mannose is used in the production of certain vaccines and diagnostic reagents due to its role in glycoprotein synthesis.
Safety and Storage
Mannose is generally recognized as safe (GRAS) for consumption, with few reported side effects. However, excessive intake may lead to gastrointestinal discomfort, such as bloating or diarrhea. It is important to follow recommended dosages when using mannose as a supplement. For storage, mannose should be kept in a cool, dry place, away from direct sunlight and moisture. Properly sealed containers are essential to maintain its quality and prevent clumping. Industrial users should ensure that storage areas are well-ventilated and free from contaminants to avoid degradation of the product.
B2B Procurement Guide
When procuring mannose for B2B purposes, it is crucial to verify the purity and quality of the product. Suppliers should provide a Certificate of Analysis (COA) detailing the product's specifications, including purity, moisture content, and any impurities. Bulk buyers should consider the form of mannose (powder, liquid, etc.) that best suits their application. Pricing varies based on purity and quantity, with higher purity grades commanding premium prices. Establishing long-term relationships with reputable suppliers can ensure consistent quality and competitive pricing. Additionally, buyers should confirm compliance with relevant regulatory standards, such as USP or FCC, depending on the intended use.
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