Fish Glue: A By-product of Fish Waste Material

Abstract

There has been an increasing interest in fish by-products during the past years. Today it is seen as a potential resource instead of a waste. Much research is being done in order to explore the possible uses of different by-products. Fish glue is impure gelatin (collagen) prepared from fish heads, bones and skins. Fish glue is known for value added product from fish processing by-products as the adhesive agent. Fish wastes resulting from industrial fish processing operations often consists of offal, flesh, skin, bone, entrails, shell etc. If required, fish skin can be preserved by salting and drying before processing into glue; however, fish head should be processed fresh. Collagen is the main component of fish glue. It is a highly viscous liquid at room temperature. Fish glue purity is various depending of the manufacturing process. Fish glue used for furniture, box making etc.