banner Return to the AHOB homepage

Trafalgar Square
 London

 

 

Amino Acid Racematization Age Estimates

Age
Method
Lab ID
Source
MIS 5e Amino acid racemization
Penkman et al., 2011

Geochemical Results

Isotope Type Isotope Value
Material
Source
Amino acid racematisation ratio of serine D/L to alanine D/L 0.52 Shell Penkman et al., 2011
Amino acid racemisation D/L ratio for alanine 0.19 Shell Penkman et al., 2011
Amino acid racemisation D/L ratio for aspartic acids 0.53 Shell Penkman et al., 2011
Amino acid racemisation D/L ratio for glutamic acids 0.13 Shell Penkman et al., 2011
Amino acid racemisation D/L ratio for serine 0.62 Shell Penkman et al., 2011
Amino acid racemisation D/L ratio for valine 0.1 Shell Penkman et al., 2011