Pea Protein Isolate (P85)
Highly refined pea protein isolate for beverages, sports nutrition, and dairy alternatives.
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Protein Knowledge
Plant Protein vs Animal Protein
A comprehensive comparison of plant protein and animal protein — their sources, manufacturing, nutritional composition, functional properties, applications, and considerations for food manufacturing.
Two major categories of commercial protein ingredients
Proteins are essential macronutrients used in food manufacturing because they contribute to nutritional composition and influence functional properties such as emulsification, gel formation, foaming, and water binding. Commercial protein ingredients are broadly categorized into plant proteins and animal proteins, each with unique characteristics and applications.
Plant proteins are obtained from crops such as peas, soybeans, rice, wheat, and legumes, while animal proteins are derived from milk, eggs, meat, fish, and other animal sources. The choice between plant and animal proteins depends on product formulation, processing requirements, nutritional goals, regulatory considerations, consumer preferences, and the intended food application.
What are plant proteins?
Plant proteins are extracted or concentrated from botanical sources.
Common commercial sources include yellow peas, soybeans, rice, wheat, chickpeas, lentils, oats, faba beans, and potato. Commercial plant proteins are available as protein isolates, protein concentrates, textured proteins, and protein hydrolysates. These ingredients are widely used in beverages, dairy alternatives, meat alternatives, bakery products, nutritional products, and functional foods.
Aspire Biozymes plant protein portfolio
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Pea Protein Concentrate (P60)
Moderately purified pea protein concentrate for nutrition bars, bakery, and blended formulations.
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Soy Protein Isolate (SPI 90)
High-purity soy protein isolate for beverages, bakery, meat alternatives, and nutritional products.
Explore SPI 90What are animal proteins?
Animal proteins originate from animal-derived raw materials.
Common commercial sources include milk, whey, casein, eggs, meat, poultry, fish, and collagen. Commercial products include whey protein isolate, whey protein concentrate, milk protein concentrate, casein, egg protein, and collagen peptides. These proteins are used across sports nutrition, dairy products, clinical nutrition, bakery products, beverages, confectionery, and processed foods.
Manufacturing
Manufacturing processes
Plant protein production
- Cleaning, milling, and fractionation
- Protein extraction or concentration and purification
- Drying — using dry fractionation, wet fractionation, or combinations depending on the ingredient
Animal protein production
- Filtration and concentration for whey proteins
- Acid or enzymatic precipitation for casein
- Spray drying, mechanical separation, and enzymatic hydrolysis where required
Nutritional composition
The nutritional composition of proteins varies according to their source and processing. The exact composition depends on the specific ingredient and manufacturing process.
| Characteristic | Plant Protein | Animal Protein |
|---|---|---|
| Source | Botanical | Animal-derived |
| Protein content | Varies by ingredient | Varies by ingredient |
| Fat content | Generally low in isolates | Depends on source and processing |
| Fiber | May be present in concentrates | Typically absent |
| Lactose | Not naturally present | May be present in dairy proteins |
Amino acid composition
Proteins differ in their amino acid profiles. Protein quality assessment commonly considers both amino acid composition and digestibility.
Plant proteins
Different plant proteins contain varying proportions of essential amino acids. Examples include pea protein, soy protein, rice protein, and wheat protein. Some manufacturers combine multiple plant protein sources to achieve specific formulation objectives.
Animal proteins
Animal-derived proteins vary in amino acid composition depending on their source. Examples include whey protein, casein, egg protein, and meat proteins.
Learn more: Protein Digestibility · Pea Protein vs Soy Protein
Functional properties
Both plant and animal proteins offer valuable functional characteristics for food formulation.
Solubility
Depends on source, processing method, pH, temperature, and formulation. Specialized grades are available for beverage applications requiring high solubility.
Emulsification
Both can stabilize emulsions in beverages, sauces, dressings, and processed foods.
Gel formation
Many protein ingredients form gels under suitable processing conditions — including soy protein, pea protein, whey protein, and egg protein.
Water-holding capacity
Proteins contribute to water retention, texture, and product stability in many food systems.
Foaming
Certain plant and animal proteins are used where foam formation and stability are important, such as bakery products, whipped toppings, and desserts.
Food applications
Plant and animal proteins serve distinct and overlapping roles across food and beverage categories.
Plant Protein Applications
Plant-based beverages, dairy alternatives, meat alternatives, bakery products, protein powders, nutrition bars, and functional foods.
Explore plant-based foodsAnimal Protein Applications
Dairy beverages, cheese, yogurt, sports nutrition, infant nutrition (where permitted), bakery products, and processed meat products.
Explore sports nutritionSustainability considerations
Sustainability is one of several factors considered when selecting protein ingredients.
Plant protein production often requires different agricultural inputs than animal protein production. Factors such as land use, water use, greenhouse gas emissions, and farming practices vary considerably depending on the crop, livestock system, geographic region, and production method. Manufacturers increasingly evaluate sustainability alongside ingredient functionality, supply chain considerations, and product requirements.
Choosing the right protein
Selecting a protein ingredient depends on multiple factors. In some formulations, blends of plant and animal proteins are used to achieve desired nutritional and functional characteristics.
- Target protein content
- Functional requirements
- Flavor profile
- Processing conditions
- Regulatory requirements
- Consumer preferences
- Product positioning
- Cost
- Ingredient availability
Quality parameters
Commercial protein ingredients are commonly evaluated against defined specifications. Quality requirements depend on the intended application.
- Protein content
- Moisture
- Ash
- Particle size
- Solubility
- Bulk density
- Amino acid profile
- Microbiological quality
- Heavy metal compliance
- Batch consistency
Related products & guides
What is Plant Protein?
Read the guide
Pea Protein Isolate (P85)
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Soy Protein Isolate (SPI 90)
View product page
Pea Protein vs Soy Protein
Read the comparison
Protein Digestibility
Read the guide
Protein Comparison
Compare P60, P85 & SPI 90Scientific summary
Plant proteins and animal proteins are two major categories of commercial protein ingredients used in food manufacturing.
Plant proteins are derived from botanical sources such as peas and soybeans, while animal proteins originate from milk, eggs, meat, and fish. Both provide valuable functional properties including emulsification, gel formation, foaming, and water binding.
Their nutritional composition, amino acid profiles, processing methods, and formulation characteristics differ, making ingredient selection dependent on product requirements, processing conditions, regulatory considerations, and consumer preferences.
Frequently asked questions
Plant proteins are derived from botanical sources such as peas, soybeans, and grains, while animal proteins come from milk, eggs, meat, poultry, and fish.
Plant-based foods typically use proteins derived from peas, soybeans, rice, wheat, oats, chickpeas, lentils, or other plant sources.
Yes. Food manufacturers often blend plant and animal proteins to achieve specific nutritional, functional, and sensory characteristics.
The most suitable protein depends on the intended application, processing conditions, nutritional goals, flavor profile, regulatory requirements, and formulation objectives.
Both are widely used in sports nutrition, beverages, bakery products, dairy products, meat alternatives, dairy alternatives, nutritional supplements, functional foods, and specialized nutrition products.
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