Advanced Protein Milling & Mechanical Protein Fractionation Systems Protein has become one of the most valuable ingredients in the global food supply. From plant-based foods and nutritional supplements to sports performance products and functional ingredients, manufacturers around the world are searching for better ways to produce high-quality protein concentrates from agricultural materials. Many crops contain significant amounts of protein, but that protein is not immediately accessible. Instead, it exists within complex plant structures surrounded by starch, fiber, oils, and other components....

The food industry is experiencing one of the most dramatic transformations in modern history. Consumer demand for protein is rising rapidly due to several major trends: • Growing interest in plant-based diets • Expansion of sports nutrition and fitness markets • Increased focus on healthy lifestyles • Demand for sustainable food production • Rapid growth of functional foods and supplements Protein is no longer viewed only as a nutritional component. It has become a functional ingredient used to improve the structure, texture, and nutritional value of food products. Protein ingredients are now...

Understanding Proteins in Plant Materials Plant-based protein sources such as soybeans, peas, lentils, chickpeas, rice, and other legumes contain a mixture of biological components. These materials typically consist of: • • • • • Proteins Starch granules Cellulose and fiber Natural oils Minerals and micronutrients Inside the plant structure, proteins are embedded within a cellular matrix made primarily of starch and fiber. Before proteins can be separated, the cellular structure must first be broken down. This is achieved through precision milling, which reduces the material into extremely fine...

Protein shifting is a dry fractionation process used to separate protein-rich particles from starch-rich particles through a combination of fine grinding and aerodynamic classification. The concept relies on fundamental particle physics. When plant materials are reduced to extremely fine particle sizes, their components begin to separate based on: • Particle size • Particle density • Aerodynamic behavior These differences allow classification systems to divide particles into separate fractions. mRaw plant material is fed into a precision milling system. The milled powder is transported through...

The Science of Air Classifier Milling At the heart of the Proteinova system lies one of the most powerful tools in particle engineering: the Air Classifier Mill (ACM). Air classifier mills combine two operations in a single machine: • High-speed size reduction • Dynamic particle classification Inside the mill, a high-speed rotor generates intense mechanical forces that break down incoming materials through impact and shear. At the same time, airflow carries particles into a classification zone where particle size is continuously evaluated. Particles that are too coarse are returned to the grinding...

The Proteinova Processing System The Proteinova system integrates precision milling with high-efficiency classification in a continuous processing line. The system typically consists of the following equipment: • Feed hopper with controlled screw feeder • Dust collection system • Transfer screw feeder • Pneumatic conveying blower Inside the air classifier mill, the material is reduced to fine particles through high-speed impact forces. The milled powder is transported through the system using controlled airflow. This powder then enters the DP Aerova Air Classifier, where aerodynamic forces separate...

Protien Product Streams The Proteinova system generates two primary product fractions. High Protein Fraction Fine particles rich in protein content. Protein concentrations can reach approximately 55–60% depending on the raw material. Typical applications include: • • • • • Plant-based protein ingredients Protein powders and supplements Functional food ingredients Protein enrichment in baked goods Sports nutrition products High Starch Fraction Coarser particles containing higher starch concentrations. Typical applications include: • • • • • Food starch ingredients Bakery applications Snack foods...

Engineered for Industrial Performance DP Pulverizer systems are engineered for reliable industrial operation. Key design features include: • • • • • • • Precision air classifier milling technology High efficiency air classification systems Energy efficient grinding mechanisms Compact system footprint Dust-free processing Food-grade stainless steel construction Easy maintenance and operational reliability These features allow processors to achieve consistent particle size control and stable production performance. Why Choose DP Pulverizers For more than 60 years, DP Pulverizers has specialized...

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