Amino acids in a surface sediment core of the Atlantic abyssal plain

Details Amino acids in a surface sediment core of the Atlantic abyssal plain Amino acids in a surface sediment core of the Atlantic abyssal plain

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977gecoa..41..803k&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 41, Issue 6, pp.803-810

Physics

4

Scientific paper

The amino acids in a 56 cm sphincter core (K-19-4-9, Woods Hole Oceanographie Institution) from 30°N latitude, 60°W longitude--approximately 300 miles southeast of Bermuda--at a water depth of 5454m were analyzed by gas and liquid chromatography. Amino acids decreased rapidly with depth with -alanine and -aminobutyric acid predominating in deeper sections. Most of the amino acids are tightly bound in the sediment and are released only upon hydrolysis with 6N HC1. Amino acids accounted for only 0.40% of total nitrogen in the non-carbonate minerals in the top 0-8 cm and 7.9 × 10 -4 percent in the bottom 48-56 cm. The remaining nitrogen is removed from the sediment by amino acid extraction.

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