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Costantino can provide you the best solution for diagnostic activities, including dairy and animal-free products. These raw materials are clear in solution and can be used in the formulation of microbiological culture media to promote and support the growth and differentiation of microorganisms. Our Peptones and Extracts guarantee the required standards for precise, reproducible, and repeatable results in analyses for quality control in microbiological laboratory.


Derived from hydrolysis of yeast. It is characterized by medium or high level of alpha-amino nitrogen (>2,3% or >4,8%), neutral pH, excellent solubility and heat stability.

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