Peptide Markers for Authenticating Ejiao and Related Gelatins

Overview

HKBU developed a novel method for authenticating animal skin gelatin, specifically focusing on donkey-hide gelatin (Ejiao) and related gelatins derived from horse, pig, and cow hides.

  • Peptide Markers for Authenticating Ejiao and Related Gelatins 0
Commercialisation opportunities
Technology licensing
Problem addressed

The method is more sensitive and reliable than existing approaches, addressing the limitations of current databases and ensuring accurate authentication.

Innovation
  • This method utilizes specific peptide markers identified through mass spectrometry techniques like LC-QTOF-MS.
  • It identifies 17 highly specific peptide markers, including seven new donkey-specific markers, to distinguish authentic donkey-hide gelatin from counterfeit products.
Key impact
  • The current invention improved specificity, sensitivity, and reliability in authenticating gelatins
  • It provides a direct detection approach without needing secondary tests, streamlining the process.
Application
  • The method has industrial applications for identifying animal hide gelatin and ensuring product authenticity in the market.

Patent

  • China Patent Publication No.: CN 116194766 A
  • US Patent No.: US11,906,491
  • Hong Kong Patent Publication No.: HK40089953A
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