The amino acid composition of 20 aragonite samples precipitated in vitro in the presence and absence of amino acid (aspartic acid and glycine, separately and in combination), the dipeptide glycyl-L-aspartic acid and tetra-aspartic acid.

Amino acid compositions of aragonite samples precipitated from seawater, using a pH stat titrator using the constant composition technique between September 2021 and December 2022. Samples were...