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47. Myth No. 3

On The Safety of Raw Milk (with a word about pasteurization)

November 3, 2005

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47. Myth No. 3 - See text below

Myth No. 3

"Pasteurization inactivates enzymes that kill pathogens, including lactoferrin, xanthine oxidase, lactoperoxidase, lysozyme and nisin."

No, it doesn't.

  • Xanthine oxidase (XO) does not kill pathogens and is not destroyed by pasteurization.
  • XO is thought to play a role in human nutrition and health and is a major component of the milk fat globule membrane (MFGM).
  • XO has survived a laboratory heating of milk to 75C x 15s, which exceeds minimum HTST conditions.
  • Griffiths J. Food Prot. 49 696-705 (1986).
    
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