FREE D-AMINO ACIDS IN THE TISSUES OF MARINE BIVALVES
Open Access
- 1 August 1987
- journal article
- research article
- Published by University of Chicago Press in The Biological Bulletin
- Vol. 173 (1), 252-259
- https://doi.org/10.2307/1541877
Abstract
Seventeen species of marine bivalves were surveyed for the presence of free D-alanine, D-aspartate, and D-valine in their tissues. D-aspartate was found in several species in concentrations approaching those of L-aspartate. D-alanine was detected.sbd.particularly in lucinid and vesicomyid clams.sbd.at levels exceeding manyfold those of L-alanine. D-valine was absent in all cases. A test of a hydrolysate of bulk soluble proteins of Lucinoma aequizonata, a species characterized by extremely high levels of D-alanine, showed no major incorporation of D-alanine into proteins. The implications of these results, for previously published analytical data and for human nutrition, are discussed.This publication has 16 references indexed in Scilit:
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