LP System Activation Components
The Lactoperoxidase (LP) system in milk is a natural defense mechanism. To effectively activate its antimicrobial properties, specific compounds must be introduced.
LP System Activation Mechanism
The LP system's function relies on the enzyme Lactoperoxidase, naturally present in milk. Its antimicrobial activity is triggered by the combined action of:
- Hydrogen peroxide (H₂O₂): Acts as an oxidizing agent.
- Thiocyanate (SCN⁻): A substrate that gets oxidized.
When these two components are added to milk, the Lactoperoxidase enzyme catalyzes the oxidation of thiocyanate by hydrogen peroxide. This process generates hypothiocyanite ions (OSCN⁻), which are potent antimicrobial agents responsible for inhibiting bacterial growth.
Conclusion
Therefore, adding both Hydrogen peroxide and Thiocyanate is necessary to activate the LP system in milk.
