Spirulina is an ingredient of whole microalgae biomass, and phycocyanin is a purified blue pigment-protein derived from spirulina.
Spirulina vs Phycocyanin: Core Material Difference
Spirulina and phycocyanin are similar but have significant structural, compositional, and industrial differences. Spirolina is the total dried biomass of the Arthrospira spp., and phycocyanin is one of the light-harvesting pigment-proteins extracted from the dried biomass. The difference in their roles is what they will be used for in formulation systems, especially in the food, beverage, and cosmetic industries.
A mixture of dried spirulina whole biomass (Whole Biomass Ingredient).
Dried microalgae powder made up of proteins, lipids, chlorophyll, and carotenoids.
Generally exhibits a green colour because of the high chlorophyll content
A composite component that is not employed as a pigment per se.
Supplies all components of a formulation in dry blend and nutrition systems
The pigments extracted from the cyanobacteria are known as phycocyanin (Targeted Pigment Fraction).
The pigment-protein is extracted from spirulina by means of water, which is soluble in water.
Likely the responsible component of spirulina ingredients that imparts the blue colour.
It is mainly used as a component of a colourant system.
Needs to be purified and stabilized to be used in industry
Extraction and Processing Differences in Spirulina and Phycocyanin Systems
The production method and the spirulina and phycocyanin production pathways are widely different and therefore have an impact on its function in the industry.
Spirulina Processing
Controlled aquaculture, including aquaponics production.Managed water-based culture and aquaponics production.
Harvesting, drying, and milling
Very little fractionation – maintaining the whole biomass composition.
Fit for bulk ingredient supply chains
Phycocyanin Extraction
Organizing the extraction for pigment-protein structures.
The cell disruption was also carried out using the aqueous separation process.
Multi-stage purification, filtration, and clarification
Adjusting concentration according to the value of colours.
The differences highlight the versatility of using spirulina for composite ingredient systems and the ability to customize the use of phycocyanin in formulation design for precise color functionality.
Spirulina and Phycocyanin in Food and Beverage Formulation Systems
In industrial formulation, spirulina and phycocyanin are used for various technical purposes depending on the formulation and stability of the product.
Spirulina in 3-D Food Formulation.
Used in dry blends, nutrition powder, and functional ingredient blends
Provides natural green colour and bulk structure of the matrix
Not as appropriate for color standardization systems as above.
The use of Phycocyanin in a formulation.
Helps to achieve blue color expression in liquid systems.
Can be used in drinks, candy coatings, and desserts.
Needs a controlled pH and temperature to be stable
In the case of spirulina and phycocyanin, the need for a multi-nutrient structure or for a single-color functionality will determine the choice for the formulators.
Stability and Processing Behavior in Spirulina and Phycocyanin Applications
The stability profile is an important difference between spirulina and phycocyanin and is crucial with respect to the formulation design for industrial application.
Spirulina Stability Characteristics
Can be tolerated by dry powder systems
Easily perishable during extended storage.
Fewer factors that affect aqueous processing conditions
Phycocyanin Stability Characteristics
Tolerant of heat processing conditions
Performance that depends on the pH of the liquid systems.
Translucent Formulations are light sensitive
Commonly combined with protection formulation techniques like an encapsulation system
These differences are what make the difference between the use of spirulina and phycocyanin in product development processes.
Industrial Application Segmentation of Spirulina and Phycocyanin
Spirulina and phycocyanin are used in different industrial applications in terms of their functionality as well as processing demands.
Spirulina Application Areas
Nutritional powder blends
Food systems for functional food ingredients.
Made up dry-mix formulations for manufacture.
Fortification of ready-to-eat foods in the bulk system.
Phycocyanin Application Areas
Beverage color systems
Confectionery decoration and coating systems, including spray and powder coating and other systems.
Dairy alternatives made from plants that must be visually identified as such (blue visual design)
o Cosmetic formulation systems that need a water-based colour solution.
This is a segmentation of the two different approaches to ingredient substitution and special engineering of pigments.
Total Industry Perspective on Spirulina and Phycocyanin Systems
Industry-wise, spirulina and phycocyanin are two different stages of processing of ingredients of the same origin, the biota system. Spirulina is also a complete biomass ingredient, or phycocyanin is a purified functional fraction, which is developed for specific color applications. If the formulation needs to provide structural nutritional input, then the user will select spirulina. If the structural nutritional input is not required in the formulation, but rather a precise pigment functionality is required, the user will opt for phycocyanin. Both ingredients are typically used in modern manufacturing systems simultaneously – although for different technical purposes – and the trend in raw material development for plant-based ingredients is towards functionalization and specialization.
Sentian Bio provides free samples, OEM/ODM customized products, and professional technical support. Contact us anytime at sales3@sentianbio.com or LEAVE A MESSAGE!
FAQ
1. What is spirulina and phycocyanin used for in food manufacturing?
The main use of Spirulina is as a composite ingredient in dry blends, whereas the main use of phycocyanin is as a blue colourant in liquid and semi-liquid formulations.
2. Is phycocyanin always extracted from spirulina?
Spirulina biomass is mainly used to extract phycocyanin in commercial production systems through specific extraction processes.
3. Why is spirulina green while phycocyanin is blue?
The isolated blue pigment fraction from the same biomass is phycocyanin, which may be isolated from spirulina, which is due to the chlorophyll dominance.
4. Can spirulina replace phycocyanin in beverage applications?
Because of its green color and poor pigment selectivity, spirulina is not very well suited for use in exact blue beverage systems.
References
1. Markou, G., & Nerantzis, E. (2020). Microalgae-based bioactive compounds: Production and applications. Algal Research, 52, 102103.
2. Patel, A. K., et al. (2021). Spirulina (Arthrospira) biotechnology: Production and applications. Bioresource Technology, 333, 125169.
3. Becker, E. W. (2022). Microalgae in human and animal nutrition. Advances in Biochemical Engineering/Biotechnology, 176, 1–30.
4. Caporgno, M. P., & Mathys, A. (2020). Trends in microalgae utilization for food and feed applications. Trends in Food Science & Technology, 97, 233–245.
5. Zheng, Y., et al. (2023). Stability and processing behavior of phycocyanin pigments in food systems. Food Chemistry, 405, 134788.