Solubility of MPC/MPI is an important quality characteristic that determines how successful the product will be in various applications. This important product attribute can be affected by several process parameters including freshness of the raw milk prior to processing, processing conditions, and … Learn More
In analyses by outside laboratories, NSI results for MPC powders were found to range from a low of 35 to a high of 72. NSI results for three separate lots of Idaho Milk Products’ IdaPro® MPC powders ranged from 67 to 72. An outside laboratory also analyzed MPC powders for WPNI. Typically, most MP… Learn More
These two terms are usually used in conjunction with discussions of protein solubility. NSI stands for Nitrogen Solubility Index and is expressed as a percentage of the protein nitrogen that is water soluble relative to the total protein nitrogen present. For example, if 75% of the total nitrogen co… Learn More
Solubility of dairy proteins is measured by determining the quantity of protein nitrogen that is water soluble versus the quantity of protein nitrogen that is water insoluble. Proteins are long chains of amino acids. Nitrogen is part of the backbone of every amino acid. Therefore, to measure protein… Learn More
Milk Protein Concentrate (MPC) and Milk Protein Isolate (MPI) is usually sold as a fine, white powder. In water, MPC/MPI forms a white, opaque dispersion of low viscosity – looking very similar to milk. MPC/MPI will remain suspended for prolonged periods of time in water. A well manufactured MPC/M… Learn More
Usually, when one talks about protein function, it is in reference to the metabolic fate of the protein once in the bloodstream and/or the protein’s functional properties as a food ingredient/stabilizer. So, when we say that the protein remains highly functional, we are referring to the protei… Learn More
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