Preparation method and application of fish skin collagen peptide, and collagen-absorbable jelly and preparation method thereof

By preparing an optimized combination of fish skin collagen peptides and composite gel, the problems of monotonous taste and poor suckability of commercially available squeezable jellies were solved, and a squeezable jelly with good taste and water retention was prepared.

CN122146828APending Publication Date: 2026-06-05DALIAN OCEAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DALIAN OCEAN UNIV
Filing Date
2026-03-11
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Commercially available squeezable jellies have a limited range of flavors and poor squeezability. Furthermore, the excessive use of different types of adhesives can cause the colloids to clump together during the dissolution process, affecting product quality.

Method used

Fish skin collagen peptides were prepared by using fish skin collagen peptides with composite gel, metal ions, citric acid and other components. The enzymatic hydrolysis process was optimized to prepare fish skin collagen peptides. The ratio of the composite gel and the sol conditions were determined to prepare absorbable jelly with elasticity, adhesiveness, chewiness and good water retention.

Benefits of technology

The prepared squeezable jelly is superior to commercially available products in terms of nutrition, taste, and squeezability. It has good water retention and sensory evaluation, and solves the problems of monotonous taste and poor squeezability.

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Abstract

The present application relates to the technical field of food processing, and particularly relates to a preparation method and application of fish skin collagen peptide, and a collagen-absorbable jelly and a preparation method thereof.The present application provides a preparation method of fish skin collagen peptide, and the method comprises the following steps: firstly, mixing freeze-dried fish skin and phosphate buffer solution, boiling and then enzymolysis; then, centrifuging the enzymolysis product, taking the supernatant for drying, and obtaining fish skin collagen peptide; the prepared fish skin collagen peptide can be used in the preparation of an anti-anxiety product.The present application also utilizes a composite gel, metal ions, citric acid and fish skin collagen peptide to be compounded to obtain a collagen-absorbable jelly which has certain elasticity, adhesiveness, chewiness, good water retention and sensory evaluation.
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