Scientists unlock secrets of ancient Egyptian materials with proteomics
Analysis revealed seed proteins from sesame and moringa, which held religious and symbolic significance.
Scientists have recently unraveled the mysteries surrounding the composition of ancient Egyptian materials, including paints, binders, and adhesives, used in the creation of various artifacts. This achievement has been made possible through the use of advanced, non-destructive techniques, which have allowed researchers to study these materials without causing damage to the priceless artifacts. The findings were published in the journal Science Advances, shedding light on the secrets hidden within these historical pieces.
The researchers employed mass spectrometry-based proteomics to analyze the glues and adhesives found in a wide range of Egyptian artifacts. Their analysis revealed the presence of numerous anticipated sources, such as animal collagens and egg proteins. However, they also discovered an unexpected presence of plant proteins, specifically derived from sesame and drumstick tree (moringa) cereals.
The ancient Egyptians were known for their highly formalized painting style, which has piqued the interest of researchers seeking to understand the specific pigments and painting techniques used in the creation of their artifacts. Some of the common pigments employed by the ancient Egyptians included hematite and realgar for red; goethite and orpiment for yellow; Egyptian blue; Egyptian green; carbon-based black; and calcite, gypsum, anhydrite, and huntite for white.
Hematite and realgar were commonly used to create red pigments, while goethite and orpiment were used for yellow. Egyptian blue, Egyptian green, carbon-based black, and various types of white pigments, such as calcite, gypsum, anhydrite, and huntite, were also part of their extensive palette.
Interestingly, the analysis of the glues and adhesives used in these artifacts revealed the use of plant proteins sourced from sesame and drumstick tree cereals. This discovery provides valuable insights into the materials and techniques employed by the ancient Egyptians in their artistic endeavors.
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