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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.


Clear and heat stable product, obtained from hydrolysis of malt. It contains high percentage of reducing sugars (>75%). Average molecular weight 3,5 kDa.

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Soy peptone is an enzymatic digest of soybean flour. This peptone contains naturally occurring high concentrations of carbohydrates and proteins. Its average molecular weight is 5,5 kDa. Solution is clear and heat stable.

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