Their preparation and their use as fish bone paste

The present invention relates to a food material that is useful fish bone is a fish processing residue. A skin, fish bones excluding the meat and then pressing and heating treatment, after decomposing collagen is a component that build bone, by performing pulverizing treatment while including all of those ingredients, fine soft and of particles themselves, there is the viscosity by collagen degradation product, includes all components derived from fish bone and fish bone paste in which they are contained in the digestion and absorption easily form, and, fishbone produced paste. Preferably the bone less cod such a fat content as the raw material, when using a large fish bone of fat content is preferably degreased. Comprising the fish bone paste is a composition suitable for use for the prevention and treatment of osteoporosis. .BACKGROUND.