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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.




YEAST EXTRACT

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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MALT EXTRACT

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

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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TRYPTOSE

Protein hydrolysate with unique characteristics, derived from its components. Solution is clear and heat stable.

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PROTEOSE PEPTONE

High nutritive peptone prepared from a particular mixture of meat and casein. Rich in high molecular weight peptides (>4000 Da). Due to its particular molecular weight distribution, it is a versatile peptone for different application.

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MEAT (BEEF) EXTRACTS / PEPTONES

High nutritive peptone. Rich in high molecular weight peptides (>4 kDa). Solution is clear and heat stable.

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LIVER EXTRACT

Liver hydrolysate with high nutritive capacity, especially indicated in yeast and molds growth. Solution is clear and heat stable.

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LACTALBUMIN PEPTONE

Pancreatic digest of lactalbumin with high level of essential amino acids. High nutritive media for microbial growth. Solution is clear and heat stable.

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GELATIN PEPTONE

Derived from the pancreatic hydrolysis of high-grade gelatin. Does not contain carbohydrates. Solution is clear and heat stable. Low chlorides.

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CASEIN HYDROLYSATES / PEPTONES / TRYPTONE

Casein is a rich source of aminoacids. Casein Hydrolysate (Peptone or Tryptone) is characterized by different level of amino nitrogen (from 4,0% to 7,0%), pH and different average molecular weight. Solution is clear and heat stable.

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BACTERIOLOGICAL PEPTONE

High nutritive peptone prepared from a particular mixture of meat and casein. Rich in high molecular weight peptides (>4000 Da). Solution is clear and heat stable.

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