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Absence of preserved glucosamine and amino acids in fossil crustacean exoskeletons

Journal Article · · Org. Geochem.; (United States)
; ;

No glucosamine and only traces of amino acids were detected in kerogen prepared from fossil crustacean exoskeletons. The elemental C/N ratios of the kerogen samples were above 20, indicating that most of the organic nitrogen was eliminated from the chitin biopolymer during diagenesis. The results contradict earlier reports of the stability of chitin during fossilization.

Research Organization:
Univ. of California, Los Angeles (USA)
OSTI ID:
5231702
Journal Information:
Org. Geochem.; (United States), Journal Name: Org. Geochem.; (United States) Vol. 12:1; ISSN ORGED
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580400 -- Geochemistry-- (-1989)
AMINES
AMINO ACIDS
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
BITUMINOUS MATERIALS
CARBOHYDRATES
CARBON
CARBONACEOUS MATERIALS
CARBOXYLIC ACIDS
CHEMICAL ANALYSIS
CHITIN
CRUSTACEANS
DIAGENESIS
ELEMENTS
FOSSILS
GLUCOSAMINE
HEXOSAMINES
HEXOSES
INVERTEBRATES
KEROGEN
MATERIALS
MONOSACCHARIDES
MUCOPOLYSACCHARIDES
NITROGEN
NONMETALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC MATTER
POLYSACCHARIDES
QUANTITY RATIO
SACCHARIDES
STABILITY