Abstract
Four sediment samples from the Caribbean Sea were analysed qualitatively for free sugars, amino acids and simple organic acids. Two of the samples were from an anaerobic basin; two were from aerobic areas. The sediments were extracted with hot water and 70 per cent ethanol and the residues from these extractions were hydrolysed with 6 N hydrochloric acid. The organic materials in the extracts were separated and studied qualitatively on paper chromatograms. Six free sugars, eight amino acids and seven acids were detected in one or more of the sediments analysed.
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