In forensic dental medicine, one of the most important endeavors is the estimation of age. We have studied the method of age assessment using the D/L ratio of aspartic acid from the dentin. The age of deciduous teeth has been estimated by measuring the racemization reaction of this amino acid. The r
Estimation of paleotemperature from racemization of aspartic acid in combination with radiocarbon age
β Scribed by Masayo Minami; Masami Takeyama; Koichi Mimura; Toshio Nakamura
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 148 KB
- Volume
- 259
- Category
- Article
- ISSN
- 0168-583X
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The rate of racemization of aspartic acid is considered to be influenced by environmental factors. The influence of pH (4 and 9) on teeth was investigated by a heating experiment for precise estimation of age at death. The rate of racemization of aspartic acid in dentin (D/L ratio) was determined by
Age at death determination based on the extent of aspartic acid racemization in dentin has been reported to be highly accurate and reproducible. To test the applicability of this method to human bone, aspartic acid racemization in noncollagenous proteins of bone was investigated. A close relationshi