Fish Solubles
- Physical State
- Liquid
- Appearance / Color
- Dark brown liquid (solubles) / Yellow liquid (oil)
- Odor
- Strong fish
- Moisture Content (%)
- <50% (solubles)
- pH
- 4.0-6.0
- Synonyms & Trade Names
- Fish condensed solubles; Liquid fish; Fish oil (omega-3)
Categories
Technical Document
Download TDSBrief Overview
Fish solubles are by-products of fish oil and fish canning industries. It has a brown appearance and a semi-viscous liquid form. Fish solubles are rich in dissolved protein, vitamins, and amino acids. In aquafeed, it is used as a feed attractant and organic fertilizer. It is also used in poultry and swine feeding as a source of unidentified growth factors.
Manufacturing Process
Fish soluble is obtained from a mixture of water and oil is produced during fish processing. The mixture is then separated using centrifugation to get the oil fraction and remove the water content. Subsequently, the mixture is condensed to produce condensed fish solubles. Concentrated fish soluble proteins also obtained by enzymatic hydrolysis, filtration, concentration and dehydration of whole fish or filleting waste, containing more than 15% fat.