Overview
Glucuronidase is a hydrolytic enzyme that cleaves glucuronide conjugates, facilitating the detoxification and excretion of metabolites. It is widely used in pharmaceutical research, clinical diagnostics, and biotechnological applications. This enzyme is derived from various sources, including bacteria, plants, and mammalian tissues, with microbial variants (e.g., E. coli) being the most commercially prevalent due to their stability and cost-effectiveness.
Physical and Chemical Properties
Glucuronidase exhibits optimal activity at a slightly acidic to neutral pH (4.5–7.5) and temperatures around 37°C. It is typically supplied as a lyophilized powder or liquid solution, with solubility in aqueous buffers. The enzyme’s molecular weight ranges between 68–75 kDa, depending on the source. Its stability is influenced by storage conditions, with recommended long-term storage at -20°C to preserve activity.
Main Applications
In pharmaceuticals, glucuronidase is critical for drug metabolism studies, enabling the analysis of glucuronide metabolites. It is also used in diagnostic kits to detect conjugated biomarkers in urine or serum. Biotechnological applications include the enzymatic hydrolysis of glucuronides in bioremediation and the production of aglycones for research. Its role in breaking down complex carbohydrates is leveraged in food and beverage processing.
Safety and Storage
While glucuronidase is generally non-toxic, proper handling with gloves and eye protection is advised to avoid irritation. Spills should be cleaned promptly with water. Storage at -20°C in aliquots prevents activity loss. Avoid repeated freeze-thaw cycles, and reconstitute lyophilized forms in sterile buffers to maintain enzymatic integrity.
B2B Procurement Guide
When procuring glucuronidase, prioritize suppliers that provide certificates of analysis (CoA) detailing activity units, purity, and source. Microbial-derived enzymes are cost-effective for industrial use, while mammalian variants may be required for specific research. Bulk purchases often attract discounts, but verify lead times and cold-chain logistics to ensure product stability upon delivery. Compare prices across vendors, noting that higher purity grades command premium pricing.
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