FOOD RAW MATERIAL CONTAINING PROTEIN AND CHONDROITIN SULFATE, AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide food raw material containing protein and chondroitin sulfate obtained by simultaneously extracting both of protein and chondroitin sulfate from fish cartilages.

SOLUTION: The food raw material containing protein and chondroitin sulfate is formed into a peptide state by enzymically hydrolyzing the fish cartilages with protein splitting enzyme. A method for producing food raw material containing protein and chondroitin sulfate comprises the following process: adding water more than the weight of the fish cartilages to the fish cartilages; adding protein splitting enzyme to the mixture at a water temperature of ≥40°C for enzymic hydrolyzation followed by solid-liquid separation thereof; and drying the liquid part. The food material has the following advantages: the chondroitin sulfate is well absorbed in the human body; water retaining effect in tissue cells is excellent so that the tissue cells in the human body is prevented from reduction in water due to aging; and the protein formed into the peptide state promotes activity of the chondroitin sulfate comprising mucopolysaccharide so as to be effective for maintaining the bones and the cells healthy. The method does not conflict with Food Sanitation Law and makes it possible to extract the food material where the chondroitin sulfate is made easily absorptive in the human body, from the fish cartilages.

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