General Information

• Product Name: Alcohol Dehydrogenase (ADH)

• Enzyme Type: Oxidoreductase (EC 1.1.1.1)

• Source: Yeast (Saccharomyces cerevisiae) or Bacterial fermentation

• Activity: 1,500 U (1.5KU) per unit weight (varies by manufacturer)

• Form: Lyophilized powder or liquid

Composition

• Active Component: Alcohol Dehydrogenase enzyme

• Stabilizers: BSA, trehalose, or glycerol (if applicable)

• Buffer Components: None (typically dissolved in Tris-HCl or phosphate buffer before use)

Physical Characteristics

• Appearance: White to off-white lyophilized powder or clear liquid (if in solution)

• Solubility: Soluble in water and buffer solutions

• pH Stability: 6.0 – 9.0

• Temperature Stability: 2–8°C (long-term), loses activity above 50°C

Performance Characteristics

• Optimum pH: 7.0 – 8.5

• Optimum Temperature: 30–40°C

• Enzyme Activity: Retains ≥ 90% activity for at least 6 months under recommended conditions

• Substrate Specificity: Catalyzes the oxidation of ethanol to acetaldehyde with NAD? as a cofactor

Storage and Stability

• Storage Conditions: 2-8°C (refrigerated, dry and tightly sealed)

• Shelf Life: 12–24 months from the date of manufacture

• Reconstituted Solution Stability: Use within 24 hours when stored at 2–8°C

Safety Precautions

• Handling: Wear gloves, a face mask, and a lab coat to prevent inhalation of enzyme dust

• Disposal: Dispose of according to local chemical and biohazard waste regulations