Scientists Detect Aloe Compounds in Ancient Egyptian Embalming Mixtures

Researchers have identified molecular evidence of aloe-derived substances in ancient Egyptian embalming mixtures, providing new insight into the complex preservation practices used thousands of years ago. The findings, published in the Proceedings of the National Academy of Sciences, indicate that embalmers utilized plant-based compounds that chemical analyses had previously overlooked.

Chemical Analysis of Museum Samples

Tim Berger, a doctoral candidate at Marburg University and the study’s co-lead author, stated that while embalming was a multistage process involving resins and fats, the precise recipes remain difficult to reconstruct. Contemporary descriptions are limited, and the chemical composition of preserved materials has shifted significantly over time.

To overcome these challenges, the research team analyzed 24 samples from museum collections, including mummified body parts, bandages, and embalming residues. By extracting tiny amounts of material from these artifacts, the scientists employed techniques capable of isolating chemical signals within complex mixtures. This data was compared against modern and historical reference materials.

The analysis revealed molecules associated with aloe, specifically compounds related to aloeresin and aloin. In one instance, researchers matched a chemical signal directly with an authentic aloeresin A standard. Similar aloe-derived materials were also identified in samples taken from a mummified head.

Revisiting Ancient Texts

The discovery prompted the research team to re-examine historical records. They highlighted an ancient Egyptian term, ‘nḫ-jm.j, translated as “life is within it.” This term appears in embalming contexts and refers to a plant product sourced from a foreign coastal region. The authors propose this term likely describes aloe or an aloe-derived substance used by embalmers.