Protein Knowledge

What is Protein Concentrate?

A comprehensive guide to protein concentrate production, types, functional properties, and applications — with a focus on plant-based pea protein concentrate.

Balanced protein enrichment for food manufacturing

Protein concentrate is a food ingredient produced by increasing the proportion of protein in a raw material while retaining some naturally occurring carbohydrates, dietary fiber, fats, and minerals. Compared with whole grains or legumes, protein concentrates provide a higher protein content and are widely used in food manufacturing to enhance the nutritional profile and functional performance of finished products.

Commercial protein concentrates are available from both plant and animal sources. Plant protein concentrates are commonly manufactured from peas, soybeans, rice, oats, and other legumes or cereals. Aspire Biozymes primarily offers Pea Protein Concentrate (P60) as part of its plant protein portfolio.

Protein concentrates are used in bakery products, beverages, snacks, cereals, meat alternatives, nutrition bars, dairy alternatives, and functional foods because they combine nutritional value with useful processing characteristics.

What is protein concentrate?

Protein concentrate is produced by partially removing non-protein components from a protein-containing raw material while retaining a significant proportion of the natural nutrients.

Compared with protein isolates, concentrates generally contain moderate to high protein content, more dietary fiber, more naturally occurring carbohydrates, slightly higher fat content, and less extensive processing. These characteristics make protein concentrates suitable for applications where balanced nutrition and functional performance are desired.

Common sources of protein concentrates

Commercial protein concentrates are produced from several plant sources. Aspire Biozymes supplies pea protein concentrate for bakery, cereals, snacks, and functional food applications.

Pea Protein Concentrate

Pea Protein Concentrate

Produced from yellow peas (Pisum sativum). Used in bakery products, breakfast cereals, snack foods, nutrition bars, and plant-based foods.

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Soy Protein Concentrate

Produced from soybeans (Glycine max). Frequently used in processed foods, meat products, bakery products, dairy alternatives, and functional foods.

Other commercial protein concentrates

Rice and oat protein concentrates are used in selected nutritional and specialty food applications. Additional concentrates may be produced from chickpeas, lentils, faba beans, canola, and sunflower. Availability depends on regional production and commercial demand.

Protein concentrate vs protein isolate

Although both are concentrated protein ingredients, they differ in processing intensity and composition. Manufacturers select the appropriate ingredient based on formulation objectives and product requirements.

Feature Protein Concentrate Protein Isolate
Degree of processing Moderate Higher
Protein content Moderate to high Higher
Dietary fiber Higher Lower
Carbohydrates Higher Lower
Fat Slightly higher Lower
Functional performance Good Highly specialized

Compare our plant protein grades: Pea Protein Concentrate (P60), Pea Protein Isolate (P85), and Soy Protein Isolate (SPI 90) — or read What is Protein Isolate? and the full Protein Comparison Guide.

Manufacturing Process

How protein concentrates are produced

The production of protein concentrates typically includes several controlled processing stages to concentrate the protein fraction while retaining useful nutritional components.

  • Raw material preparation — cleaning to remove foreign matter before milling
  • Milling — grinding into flour suitable for protein concentration
  • Protein concentration — mechanical, physical, or aqueous processing removes part of starch, soluble carbohydrates, or fiber
  • Drying — produces a stable powder with controlled moisture content for commercial food manufacturing

Nutritional composition

The nutritional composition of protein concentrates depends on the source material and manufacturing process. The exact composition varies among different protein concentrate products.

  • Protein
  • Dietary fiber
  • Carbohydrates
  • Small amounts of fat
  • Naturally occurring minerals
  • Moisture

Functional properties

Protein concentrates provide several technological benefits during food processing that influence product quality and manufacturing performance.

Water absorption

Absorb water and contribute to moisture retention in many food products.

Emulsification

Help stabilize mixtures of oil and water in suitable food formulations.

Texture development

Contribute to the structure and texture of bakery products, snacks, and processed foods.

Binding properties

Assist in binding ingredients in nutrition bars, meat alternatives, and prepared foods.

Heat stability

Performance depends on protein source, formulation, processing conditions, and pH.

Food applications

Protein concentrates are used in a wide range of food categories across bakery, cereals, snacks, plant-based foods, and beverages.

Bakery Products

Bread, cakes, muffins, cookies, crackers, and biscuits.

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Snack Foods

Protein snacks, extruded snacks, baked snacks, and savory products.

Beverage Applications

Selected grades may be incorporated into nutritional beverages depending on formulation requirements.

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Advantages of protein concentrates

Protein concentrates offer several practical advantages for food manufacturers seeking balanced nutrition and versatile processing performance.

  • Higher protein content than whole flour
  • Retention of naturally occurring dietary fiber
  • Good functional performance
  • Broad application versatility
  • Balanced nutritional composition
  • Suitable for protein fortification
  • Available from multiple plant sources
  • Cost-effective compared with highly purified protein ingredients

Quality parameters

Commercial protein concentrates are commonly evaluated against defined specifications. Product specifications vary depending on the source material and intended application.

  • Protein content
  • Moisture
  • Fat
  • Ash
  • Dietary fiber
  • Particle size
  • Bulk density
  • Microbiological quality
  • Heavy metal compliance
  • Food safety standards

Storage

Protein concentrates should generally be stored in a cool, dry environment, in tightly sealed packaging, protected from moisture and direct sunlight, according to manufacturer storage recommendations.

Regulatory considerations

Protein concentrate ingredients should comply with applicable regulations governing food ingredient standards, food safety, Good Manufacturing Practices (GMP), ingredient labeling, allergen declaration where applicable, and contaminant limits. Manufacturers should ensure compliance with the regulatory requirements of their target markets.

Related products & guides

Scientific summary

Protein concentrate is produced by partially removing non-protein components from protein-rich raw materials, resulting in an ingredient with a higher protein concentration while retaining more naturally occurring carbohydrates and dietary fiber than a protein isolate.

Commercial protein concentrates are available from peas, soybeans, rice, oats, and other plant sources. They are widely used in bakery products, snacks, cereals, nutrition bars, plant-based foods, beverages, and functional foods.

They provide nutritional enrichment together with functional properties such as water absorption, emulsification, texture development, and ingredient binding.

Frequently asked questions

A protein concentrate is a food ingredient produced by increasing the protein content of a raw material while retaining some naturally occurring carbohydrates, dietary fiber, fat, and minerals.

Protein concentrates undergo less purification than protein isolates and generally contain more dietary fiber and carbohydrates but a lower protein concentration. Read What is Protein Isolate? for a full comparison.

Common examples include pea protein concentrate, soy protein concentrate, rice protein concentrate, and oat protein concentrate.

Protein concentrates are used in bakery products, breakfast cereals, snacks, nutrition bars, plant-based foods, beverages, and functional food formulations.

They are typically produced through raw material preparation, milling, protein concentration using physical or aqueous processing methods, and drying to produce a stable powder suitable for food manufacturing.

Ready to formulate with protein concentrates?

Explore P60 and compare plant protein grades from Aspire Biozymes.

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