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Lactoperoxidase from bovine milk

lyophilized powder (essentially salt-free), ≥200 units/mg protein

Donor:hydrogen peroxide oxidoreductase, Peroxidase
CAS Number:
Enzyme Commission number:
Número EC:
Número MDL:

fonte biológica

bovine milk

Nível de qualidade



lyophilized powder (essentially salt-free)

specific activity

≥200 units/mg protein

razão de absorbância

A412/280 nm 0.7-0.9

nº de adesão UniProt

temperatura de armazenamento


Gene Information

cow ... LPO(280844)

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Descrição geral

Lactoperoxidase is a major enzyme present in bovine milk and belongs to the peroxidase family. It is present in both plants and animals. The enzyme structure comprises a single polypeptide chain made up of 612 amino acid residues.


Lactoperoxidase from bovine milk has been used as a standard for milk lactoperoxidase to study the role of H2O2 in the inhibition of Staphylococcus aureus growth by Lactococcus garvieae in the presence of lactoperoxidase in raw milk. It has also been used in lactoperoxidase-mediated iodination to prepare radiolabeled peptides.


1, 5 mg in glass bottle
10, 25 mg in poly bottle

Ações bioquímicas/fisiológicas

Lactoperoxidase contributes to the antimicrobial system of milk by inactivating a wide range of micro-organisms. This lactoperoxidase-mediated antimicrobial system is also identified in human secretions such as tear-fluid, saliva, and milk. Lactoperoxidase catalyzes the oxidation of molecules by releasing H2O2. The product exhibits antimicrobial activity.
Lactoperoxidase catalyzes the oxidation of iodide to iodine by hydrogen peroxide. This activity provides a gentle, specific alternative to chloramine T for the radioiodination of proteins and DNA.

Definição da unidade

One unit will oxidize 1.0 μmole of 2,2′-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) at pH 5.5 at 25 °C.

Nota de análise

Protein determined by Lowry method.


Health hazard

Palavra indicadora


Frases de perigo

Classificações de perigo

Resp. Sens. 1 - Skin Sens. 1

Código de classe de armazenamento

11 - Combustible Solids



Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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