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Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts

Published on: January 29, 2018

Bone citrate content as an indicator of post-mortem interval.

Simona Sulis¹, Lenka Vorobeľová¹

¹Department of Anthropology, Comenius University Bratislava, Ilkovičova 3278/6, 841 04, Bratislava, Slovakia.

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|August 15, 2023

Summary

Bone citrate levels decrease after death, offering potential for post-mortem interval estimation. However, this study found no statistical significance, indicating a need for further research with larger samples and improved formulas.

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Area of Science:

Forensic Anthropology
Biochemistry
Archaeology

Background:

Citrate levels in bone decrease post-mortem.
This decrease may offer a method for estimating the time since death.

Purpose of the Study:

To investigate the potential of bone citrate levels for estimating the post-mortem interval (PMI).
To analyze citrate content in porcine and human bones of varying ages and burial conditions.

Main Methods:

Analysis of citrate content in fresh porcine bones, buried porcine bones, and human bones (anatomical collection and archaeological samples).
Comparison of citrate levels across different sample types and ages.
Application of a standard formula to estimate PMI and comparison with known intervals.

Main Results:

Citrate content was higher in fresh bones and lower in archaeological samples, consistent with existing literature.
No statistically significant correlation was found between citrate levels and time since death.
The existing formula for PMI estimation significantly overestimated the actual time since death.

Conclusions:

Bone citrate levels show a trend of decrease after death but lack statistical significance for reliable PMI estimation with current methods.
Further research with larger sample sizes and refined methodologies is required to develop accurate post-mortem interval estimation techniques based on bone citrate.
The current formula for PMI estimation based on citrate is inadequate and requires revision or replacement.