Q:

What is the purpose of peptone in culture media?

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Quick Answer

Peptone is a nutrient in culture media that is a necessary to grow microorganisms and cells for accurate study results. Culture media refers to liquids or gels that are used to grow cultures.

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In some applications, the peptone is classified as an amino acid. For peptone water applications, an amino acid is essential to give the water the right nutritional value for consumption.

Both dried and live peptones are distributed by commercial companies to science labs. A common live peptone is soya. This is a high-energy carbohydrate that is recognized as a nonmeat peptone.

Many experiments mix a variety of peptones to provide the most nutrient-filled habitat for growing microorganisms and cells. This provides the ideal vehicle for development, growth and accurate study results. Without this element, results are often insufficient.

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