The product is also known as pancreatic digest of casein, which is used in the formulas need the casein pancreatin or trypsin digest. It is a kind of light yellow powder made from casein( a highly nutritional kind of protein extracted from milk), and a material which contains the amino acid and highly tryptophon as well. It is a basic material of various microbial culture medium to be used as the basic materials of biological fermentation, bio-pharmaceuticals and culture medium industries and so on.
1）Sensory index
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Items
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Requirements
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Morphology
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Powder, no caking
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Color
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Light yellow or milky white powder
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Odor
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Endemic taste and odor of product, no other peculiar smell
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Impurity
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No normal visible extraneous impurity
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2)Physicochemical Index
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Item
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Pharmaceutical grade
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Reagent grade
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Total nitrogen (on DM) %
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≥8.0%
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≥12.0%
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Amino nitrogen (on DM) %
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≥2.5%
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≥3.0%
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Ash (on DM) %
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≤10.0%
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≤10.0%
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Moisture %
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≤6.0%
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≤6.0%
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PH (2% solution)
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5.0-8.0
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Acidsolution & alkalescence high-pressure
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Pellucid
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Solubility (2% solution)
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Pellucid
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Note: The physicochemical index is general specification but we can customize product according to the requirements of customer.
