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), Vol. 12:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
58 GEOSCIENCES
AMINO ACIDS
CHEMICAL ANALYSIS
GLUCOSAMINE
KEROGEN
CARBON
CHITIN
CRUSTACEANS
DIAGENESIS
FOSSILS
NITROGEN
QUANTITY RATIO
STABILITY
AMINES
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
BITUMINOUS MATERIALS
CARBOHYDRATES
CARBONACEOUS MATERIALS
CARBOXYLIC ACIDS
ELEMENTS
HEXOSAMINES
HEXOSES
INVERTEBRATES
MATERIALS
MONOSACCHARIDES
MUCOPOLYSACCHARIDES
NONMETALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC MATTER
POLYSACCHARIDES
SACCHARIDES
020200* - Petroleum- Reserves
Geology
& Exploration
580400 - Geochemistry- (-1989)
58 GEOSCIENCES
AMINO ACIDS
CHEMICAL ANALYSIS
GLUCOSAMINE
KEROGEN
CARBON
CHITIN
CRUSTACEANS
DIAGENESIS
FOSSILS
NITROGEN
QUANTITY RATIO
STABILITY
AMINES
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
BITUMINOUS MATERIALS
CARBOHYDRATES
CARBONACEOUS MATERIALS
CARBOXYLIC ACIDS
ELEMENTS
HEXOSAMINES
HEXOSES
INVERTEBRATES
MATERIALS
MONOSACCHARIDES
MUCOPOLYSACCHARIDES
NONMETALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC MATTER
POLYSACCHARIDES
SACCHARIDES
020200* - Petroleum- Reserves
Geology
& Exploration
580400 - Geochemistry- (-1989)