Lactoperoxidase

CAS Number
9003-99-0
EC Number
232-668-6
Abbreviation
HRP

What is Lactoperoxidase?

Lactoperoxidase (CAS 9003-99-0) is a naturally occurring enzyme derived from bovine milk and colostrum, supplied for its antimicrobial and oxidative activity.

Where is Lactoperoxidase used?

  • Food and dairy processing: extends shelf life of raw milk and liquid dairy products without heat treatment
  • Personal care and oral hygiene: antimicrobial efficacy in toothpastes, mouthwashes and saliva-substitute products
  • Diagnostics and life sciences: labeling reagent for radioiodination of proteins
  • Pharmaceutical research: biopreservative in protein-based formulations where conventional preservatives are incompatible
  • It generates bactericidal compounds when combined with hydrogen peroxide and thiocyanate.

Good to know: The enzyme is the catalytic component of the lactoperoxidase system; this method is endorsed by FAO/WHO guidelines for global food safety. Buyers should confirm activity retention and cold-chain requirements when evaluating suppliers.

Commercial specifications

  • Activity expressed in units
  • Purity and specific activity defined per supplier standard

Other Names (Synonyms)

N-(2-AMINOPHENYL)-4-([[4-(PYRIDIN-3-YL)PYRIMIDIN-2-YL]AMINO]METHYL)BENZAMIDE|A6GWB8T96J|E.C. 1.11.1.7|Guaiacol peroxidase|HRP

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What are the physical properties of Lactoperoxidase?

Density 1.37[at 20℃]
Color red-brown
Form powder
Water Solubility Soluble in water and phosphate buffer.
Vapor Pressure 0.004Pa at 25℃
pH 6.5-7.5 (20°C, 10g/L in H2O)
Log P -1.3 at 20℃

How is Lactoperoxidase classified and handled safely? Learn More

Danger
GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H317 May cause an allergic skin reaction
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary Statements

P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.

Which trade and regulatory codes apply to Lactoperoxidase?

HS Code 35079090
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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