Case Details
Fish Soluble Powder
Fish solubles powder is a powdered product manufactured through processes including oil removal, removal of viscous polysaccharides, concentration, and spray drying, all derived from the fish solubles liquid (a byproduct) produced during the fishmeal production process. This product perfectly addresses the longstanding challenges of traditional fish solubles—its difficulty in drying and its tendency to absorb moisture—thereby enabling the efficient and circular utilization of fishery resources.
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Fish Soluble Powder
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Fish solubles powder is a powdered product manufactured through a process that includes oil removal, removal of viscous polysaccharides, concentration, and spray drying of fish solubles liquid—a byproduct generated during fishmeal production. This product perfectly addresses the longstanding challenges of traditional fish solubles—its difficulty in drying and its tendency to absorb moisture—thereby enabling the efficient and circular utilization of fishery resources.
Its core advantage lies in its exceptionally high nutritional value and bioavailability: it contains over 70% soluble, high-quality protein, with a pepsin digestibility rate exceeding 95%. It is rich in active ingredients such as small-molecule peptides, free amino acids, nucleotides, and taurine, and also includes a variety of growth-promoting factors that can be rapidly absorbed and utilized by animals. As a natural functional ingredient, it performs three key functions: First, its fish-specific flavor provides exceptional palatability, strongly stimulating animals to actively feed; second, its active components work synergistically to regulate the gut microbiota, enhance immunity, and improve survival rates in aquaculture; third, its growth-promoting factors accelerate the development of young animals, shortening the farming cycle. Based on the source material, it can be categorized into freshwater fish hydrolysate powder (low in fat, high in ash content, suitable for freshwater aquaculture) and marine fish hydrolysate powder (rich in EPA, DHA, and other beneficial compounds, ideal for premium feeds). It is widely used in aquatic feed, livestock and poultry feed, pet food, and other fields. Adding just 1% to 5% of this ingredient can significantly enhance the cost-effectiveness of feed, and it can also partially replace imported fishmeal, thereby reducing costs. Moreover, it can be used to produce food-grade flavor enhancers and bio-organic fertilizers, which not only reduce emissions of environmental pollutants but also realize the ecological value of turning waste into valuable resources. Thus, it is an excellent raw material that balances economic benefits with environmental protection.
| Testing Items | Testing Standards | Test Results |
| Content (on a dry basis), % | ≥90 | 90.36 |
| Appearance | Fine powder | Qualified |
| Aqueous solution | Clear and transparent | Qualified |
| Smell | Possessing a flavor and aroma unique to the product. | Qualified |
| Taste | Special | Qualified |
| Loss on drying, % | ≤1 | 0.38 |
| Ash content | ≤1 | 0.21 |
| Pesticide residues | Not detectable | Not detected |
| Total heavy metals, ppm | ≤10 | Qualified |
| Arsenic, ppm | ≤2 | Qualified |
| Lead, ppm | ≤2 | Qualified |
| Total colony count, (CFU/g) | ≤1000 | Qualified |
| Yeast and mold, (cfu/g) | ≤100 | Qualified |
| Escherichia coli | Not detectable | Not detected |
| Salmonella | Not detectable | Not detected |
| Staphylococcus | Not detectable | Not detected |
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