Why isn’t powdered formula milk sterile?

Alison Sauer, LIFIB member Unlike ready to use liquid formula milk, powdered formula is never sterile. This is because of the way it is produced. Firstly, this is a food, not an intravenous medicine. Food production conditions are not sterile. They limit the number of microbes and contaminants allowed in the product rather than prohibit them. This means microbe levels…

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