Protein Powder (Albumin)
Protein powder (albumin) is a high-quality functional protein ingredient obtained by purification and drying of the protein fraction, most commonly from egg white. It is characterized by high biological value, a favorable essential amino acid profile, and pronounced technological functions such as foaming, emulsification, gelling, and water binding. In the food industry, albumin powder is used as a standardized and stable raw material that ensures consistent product quality, extended shelf life, and easier handling compared to fresh eggs or other liquid protein sources.
Source
The main source of albumin powder is hen egg white, which is separated from the yolk, pasteurized, concentrated, and dried (usually by spray drying). In some cases, additional enzymatic or membrane processing is applied to improve solubility and functional properties.
Specialized albumin products of animal origin (e.g. serum or plasma albumin) also exist, but egg white albumin has by far the broadest and most practically important use in the food industry.
Variations
Albumin powder is available in several technological variants, tailored to different applications:
- standard spray-dried albumin with consistent protein content,
- modified albumin with improved foam formation and foam stability,
- instant albumin with enhanced solubility and rapid dispersion,
- albumin with controlled denaturation level for specific gelling or emulsifying uses.
Manufacturers often offer different particle sizes, microbiological standards, and certifications (e.g. halal, kosher) depending on end-user requirements.
Applications In The Food Industry
Confectionery Industry
In confectionery products, albumin powder is a key functional protein used for:
- forming and stabilizing foams (meringues, meringue layers, marshmallow, aerated fillings),
- improving structure and volume of sponge cakes and Swiss rolls,
- stabilizing emulsions in creams and fillings.
Due to its strong foaming capacity and thermal stability, it ensures stable, fine, homogeneous texture and uniform appearance of the final products.
Bakery Industry
In bakery applications, albumin powder contributes to:
- additional structure and elasticity in doughs for reduced-gluten or gluten-free products,
- better gas retention and increased loaf and pastry volume,
- formation of a glossy, uniform crust in bakery goods and cookies.
It is often used in special bakery premixes, protein-enriched bakery items, and high-protein cereal bars.
Dairy Industry
In the dairy industry, albumin powder is used as a functional additive in:
- protein-enriched desserts and puddings to improve texture and gelling,
- protein beverages and yogurts that are lactose-free or have reduced dairy protein content,
- high-protein creams and spreads.
Its emulsifying and water-binding capacity leads to smoother texture and reduced syneresis.
Dietary, Sports Nutrition And Functional Foods Industry
In this segment, albumin powder is used as:
- a high-value complete protein source in protein drinks and shakes,
- an ingredient in protein bars and meal replacements,
- a component in formulations for clinical nutrition and special diets.
It is recognized for its high protein content, good amino acid profile, and easy combination with other protein sources (whey, soy, pea).
Benefits Of Use
Use of albumin powder in the food industry provides several key benefits:
- standardized and stable protein source with extended shelf life,
- excellent foaming, emulsifying, gelling, and water-binding functionality,
- improved structure, volume, texture, and consistency of final products,
- simplified logistics, storage, and dosing compared to fresh eggs,
- possibility to develop high-protein and functional foods with clearly declared nutritional values.
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