Spirulina Extract Powder Supports Sustainable Aquaculture Development

With the rapid development of the global aquaculture industry, the sector faces significant challenges regarding resource sustainability. As the core component of the farming process, the choice of protein sources in feed directly impacts both industrial profitability and ecological sustainability. While traditional fishmeal offers excellent nutrition, its scarcity and continuously rising prices have made the development of stable, efficient, and economical alternative proteins an urgent industry need.

Against this backdrop, spirulina extract is gaining widespread attention as a novel protein ingredient in aquafeed due to its comprehensive advantages. Not only does it boast high protein content and balanced amino acid composition, but it is also rich in various bioactive compounds. This effectively addresses the shortcomings of plant-based protein sources, such as low digestibility and poor palatability, offering a scientifically viable solution to reduce dependence on fishmeal.

Green Spring Technology leverages China's leading spirulina resources and technological expertise to deliver premium spirulina extracts, dedicated to providing aquafeed enterprises with superior alternative protein solutions. 

Our products offer the following core values:

· Premium Protein Alternative: Protein content ranging from 60% to 72%, balanced amino acids, and high digestibility and absorption rates;

· Rich Functional Components: Naturally contains bioactive substances such as phycocyanin, polysaccharides, and unsaturated fatty acids;

· Enhanced Feed Performance: Improves palatability and feeding appeal, boosting aquaculture efficiency;

· Sustainable Resource: Reduces reliance on imported fishmeal, advancing green aquaculture development.

Through modern bio-extraction technology, Green Spring Technology maximizes the retention of spirulina's nutritional components and functional activity. Our products offer high stability and ease of application, suitable for diverse aquatic feed formulations including fish, shrimp, and crab.

1  Green Spring Technology Spirulina Extract: A Natural Nutrient Treasure Trove Empowering Health Industry Innovation

Spirulina extract is a highly active natural nutrient source refined from premium spirulina using modern biotechnology. Its scientifically balanced nutritional profile is rich in high-quality protein, polyunsaturated fatty acids, vitamins, minerals, and multiple bioactive components, making it a green functional ingredient with significant development potential.

Core Advantages of Green Spring Technology Spirulina Extract:

· High Protein & Balanced Nutrition: Protein content reaches 60%-72%, with balanced amino acid ratios for easy digestion and absorption;

· Natural Bioactive Compounds: Rich in natural bioactive substances including γ-linolenic acid (GLA), phycocyanin, β-carotene, and spirulina polysaccharides;

· Abundant Vitamins & Minerals: Provides natural vitamins A, E, B-complex, and multiple organic minerals;

· High Polyunsaturated Fatty Acid Content: Gamma-linolenic acid (GLA) accounts for up to 40% of total fatty acids.

Through innovative extraction processes, Green Spring Technology maximizes the retention of nutritional components and biological activity. The product features high purity, excellent stability, and ease of application, making it widely applicable in functional foods, specialty feeds, nutritional supplements, and cosmetics.

2  Green Spring Technology Spirulina Extract: Scientifically Empowering Aquafeeds to Drive Efficient Upgrades in Aquaculture

In the aquafeed sector, the comprehensive value of raw materials depends not only on their nutritional content but also on a holistic assessment of palatability, digestibility, and actual effects on farmed animals' growth, immunity, and end-product quality. With its high protein content, excellent digestibility, and rich bioactive compounds, spirulina extract is emerging as a functional feed ingredient of significant industry interest.

2.1 Green Spring Technology Spirulina Extract: A Highly Digestible Protein Source for Efficient Aquafeed Substitution

Spirulina extract, with its outstanding digestibility and absorption properties, is emerging as a premium plant-based protein alternative to fishmeal. Research indicates exceptional protein digestibility, with apparent protein digestibility rates exceeding 80% across multiple aquatic species—surpassing traditional fishmeal levels in certain varieties.

Through innovative processing, Green Spring Technology further enhances the digestibility and utilization of spirulina extract, delivering products with the following advantages:

· High protein digestibility and absorption: Protein digestibility consistently exceeds 80%, with excellent amino acid absorption efficiency;

· Low anti-nutritional factors: Unique cell wall structure contains minimal cellulose and anti-nutritional factors, facilitating easier digestion by aquatic animals;

· Fish meal replacement potential: Comprehensive nutritional and digestive performance make it an efficient alternative to fish meal.

2.2 Green Spring Technology Spirulina Extract: Natural Appetite Stimulation, Enhancing Aquafeed Palatability

Rich in nucleotides, glutamic acid, and other natural water-soluble compounds, spirulina extract forms natural appetite stimulants that effectively boost feeding activity in aquatic animals. Research indicates that adding small amounts of spirulina extract to shrimp feed significantly promotes feeding behavior, with particularly pronounced effects in low-fishmeal formulations.

Through precise extraction technology, Green Spring Technology maximizes the retention of natural flavor compounds and appetite-stimulating components in spirulina.

The product offers the following advantages:

· Natural appetite-stimulating activity: Rich in nucleotides, glutamic acid, and other small molecules for excellent palatability;

· Clear feeding promotion effect: Small additions effectively stimulate feeding in shrimp and other aquatic animals;

· Compatibility with low-fishmeal formulations: Maintains strong palatability enhancement even in feeds with reduced fishmeal content.

Green Spring Spirulina Extract offers aquafeed manufacturers a natural, safe solution for improving palatability, helping clients optimize feed formulations and enhance aquaculture profitability.

2.3 Effects of Spirulina Powder on Aquatic Animal Growth

2.3.1 Green Spring Spirulina Extract: Efficient Fishmeal Replacement with Significant Growth Promotion

As a premium plant-based protein source, spirulina extract effectively replaces fish meal while significantly improving aquatic animal growth performance. Studies demonstrate that adding appropriate levels (e.g., 2%-10%) to feed positively promotes growth in multiple fish species. For certain varieties, weight gain can reach 1.8 times that of control groups, while simultaneously increasing specific growth rate and protein efficiency while reducing feed conversion ratio.

Green Spring Technology's Spirulina Extract delivers the following value to customers through its high protein content, balanced amino acid profile, and high digestibility:

· Enhances growth performance: Effectively increases weight gain and growth rates in fish and shrimp;

· Optimizes feed efficiency: Improves protein utilization, lowers feed conversion ratios, and reduces aquaculture costs;

· Flexible fish meal replacement: Compatible with multiple aquatic species, achieving comparable growth performance even at low substitution rates.

2.3.2 Green Spring Technology Spirulina Extract: Enabling High-Ratio Fishmeal Replacement to Drive Green Transformation in Aquafeeds

As a sustainable, high-quality protein source, spirulina extract demonstrates significant potential for high-ratio fishmeal replacement. Studies indicate that in feeds for most omnivorous and herbivorous fish (such as tilapia, carp, sturgeon, etc.), spirulina extract can replace 40%-75% of fish meal without significantly affecting growth performance, feed efficiency, or protein deposition rates. Some species even outperform the full fish meal group. Replacement of 75% fish meal in shrimp feed has also been proven feasible.

Through precise extraction and process optimization, Green Spring Technology enhances the nutritional balance and functionality of spirulina extracts, delivering core value to customers:

· High substitution potential: Supports 40%-75% fish meal replacement, reducing formulation costs;

· Stable growth performance: Ensures key metrics like aquatic animal weight gain and protein efficiency;

· Sustainable resource utilization: Reduces reliance on marine fish meal resources, promoting green aquaculture.

2.4 Green Spring Technology Spirulina Extract: Natural Nutritional Support for Healthy Aquaculture

Rich in natural bioactive compounds like phycocyanin, polysaccharides, and beta-carotene, spirulina extract enhances overall health and self-defense capabilities in aquatic animals, providing a sustainable nutritional solution for intensive farming.

Research indicates that adding appropriate amounts of spirulina extract to feed effectively optimizes blood parameters in fish and shrimp, elevates serum protein levels and cellular activity, thereby enhancing vitality. Aquatic animals fed spirulina extract demonstrate superior adaptability and resilience when confronting environmental challenges.

Green Spring Technology's spirulina extract offers the following advantages:

· Natural bioactive compounds: Retains natural substances like phycocyanin and polysaccharides to support aquatic animal health maintenance;

· Enhanced vitality: Contributes to improved serum protein indicators and cellular activity;

· Safety and compliance: Pure plant-based source with no chemical residues, meeting aquatic feed safety standards.

Green Spring Technology employs low-temperature extraction to maximize retention of active components, ensuring high product stability and ease of incorporation into feed formulations. We provide scientific application solutions to jointly advance aquaculture toward healthier, sustainable development.

2.5 Green Spring Technology Spirulina Extract: Elevating Aquatic Product Quality to Create High-Value Aquaculture Products

As a natural functional ingredient, spirulina extract effectively optimizes aquatic product quality, helping aquaculture enterprises produce premium, market-competitive products. It comprehensively enhances aquatic animals' nutritional composition, appearance, color, and sensory characteristics through multiple mechanisms.

Optimizing Nutritional Profile and Flavor

· Significantly reduces fish body fat content, improves fatty acid composition, and increases polyunsaturated fatty acid ratios;

· Has no negative impact on protein or moisture content, preserving core nutritional characteristics.

Enhancing Color and Appearance Quality

· Rich in natural β-carotene and zeaxanthin, effectively enhancing the body color and muscle pigmentation of aquatic products like fish, shrimp, and crabs;

· Significantly increases total carotenoid content, imparting a more vibrant and natural appearance to products, thereby enhancing commercial value.

Improving Meat Quality

· Regulates muscle physical properties, improving product texture and sensory quality;

· Promotes pigment conversion in crustaceans, effectively accumulating high-quality pigments such as astaxanthin.

Through innovative extraction processes, Green Spring Technology maximizes the retention of active components and pigments in spirulina extracts, ensuring stable performance when added to feed. We provide professional application solutions to help enhance aquatic product quality and economic value.

3  Green Spring Spirulina Extract: Advancing Aquafeed Innovation for Efficient, Healthy Aquaculture

As a high-value functional feed ingredient, spirulina extract is emerging as a key solution for enhancing aquaculture quality and efficiency due to its rich nutritional profile and multifaceted benefits. It excels in improving feed palatability, optimizing aquatic product quality, strengthening physical condition, and enhancing body coloration. Beyond serving as a premium protein source, it provides a comprehensive supply of natural minerals, vitamins, pigments, and antioxidants, unlocking new possibilities for feed advancement.

Green Spring Technology's Spirulina Extract addresses industry challenges through advanced production processes and stringent quality control:

· High Bioactive Retention: Utilizing low-temperature extraction and cell-wall disruption technology to maximize preservation of phycocyanin, β-carotene, polysaccharides, and other active compounds, enhancing product efficacy;

· Cost-Effectiveness Optimization: Improving product yield and stability through process innovation and resource integration, enabling clients to achieve product upgrades within controlled budgets;

· Comprehensive solutions: Providing scientific additive recommendations and formulation strategies to achieve nutritional balance in synergy with other ingredients, enhancing overall feed efficiency.

Currently, Green Spring Technology's spirulina extract is widely used in aquafeeds for fish, shrimp, crabs, and other aquatic species, effectively helping customers:

· Improve feed palatability and utilization rates;

· Enhance the appearance and nutritional profile of farmed animals;

· Reduce reliance on traditional ingredients like fishmeal, promoting sustainable aquaculture development.

Moving forward, we will continuously optimize spirulina extract production processes to reduce costs and enhance economies of scale, positioning it as a high-value ingredient accessible to more feed enterprises.

Contact us at helen@greenspringbio.com or WhatsApp: +86 13649243917 today to obtain spirulina extract samples, application solutions, and technical support! Let's collaborate to pioneer the future of aquaculture feed innovation!

Reference:

［1］TACON A G J，METIAN M．Global overview on the use   of  fish    meal   and    fish    oil   in    industrially compounded aquafeeds:   trends  and future  prospects ［J］．Aquaculture，2008，285( 1) :  146 －158．

［2］HAN  D，SHAN X，ZHANG W，et al．A revisit to fishmeal   usage    and    associated    consequences   in Chinese  aquaculture［J］． Reviews in  Aquaculture，2016:  1 －15．

［3］KROGDAHL，PENN  M ，THORSEN  J ，et  al． Important    antinutrients   in   plant    feedstuffs     for  aquaculture:  an update on recent findings regarding  responses in salmonids［J］．Aquaculture Research， 2010，41( 3) :  333－344．

［4］HU H J．Freshwater algae in China［M］．Shanghai:  Shanghai Scientific and Technical Publishers，1979．

［5］HOLMAN  B  W  B ， MALAU    ‐   ADULI  A  E   O． Spirulina as a livestock supplement and animal feed  ［J］． Journal  of  Animal  Physiology  and  Animal  Nutrition，2013，97( 4) :  615－623．

［6］ZHANG X C，XUE M X．Current status of spirulina industry and  the  potential  of  development  in China ［J］．Biology Technology，2012，2( 3) :  47－53．

［7］DE OLIVEIRA M，MONTEIRO M C，ROBBS P G， et al．Growth and chemical composition of Spirulina  maxima and Spirulina platensis  biomass  at  different  temperatures［J］．Aquaculture International，1999， 7( 4) :  261－275．

［8］TOKU§OGLU   ，UNAL  M  K． Biomass  nutrient  profiles  of  three   microalgae:    Spirulina   platensis， Chlorella  vulgaris ， and   Isochrisis   galbana ［J ］． Journal  of  Food  Science ，2003 ，68 ( 4 ) :    1144  -   1148．

［9］BECKER  E  W． Micro-algae  as  a  source  of  protein ［J］． Biotechnology  Advances，2007 ( 25) :  207 -  210．

［10］HE P  M ，WANG  S  J． Current  situation ，prospect and tactics  of Spirulina  application  and  research in Chinese aquaculture［J］．Journal of Shanghai Ocean University，1998，7( 2) :  149 －154．