Species Identification of Animal Glue Adhesives on Polychrome Cultural Heritage: An Integrated Analytical Approach Combining Gel Sampling, ATR-FTIR Spectroscopy, and Machine Learning

Key Points

• The aim is to accurately identify protein adhesive sources in polychrome cultural heritage using advanced analytical techniques.
• Utilized gel sampling to extract protein adhesives from artifacts.
• Employed ATR-FTIR spectroscopy for initial analysis.
• Integrated machine learning algorithms for enhanced data interpretation.
• Successfully identified multiple protein sources in various polychrome relics.
• Demonstrated improved cross-species discrimination compared to conventional methods.
• Showed potential for increasing the accuracy of conservation efforts.