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'Fatty acids' in keywords Facet   Publication Year 1998  [X]
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1Author    SayedA. Ibrahim3, JamesW. Averyb, PaulJ. Weldonc, JamesW. Wheeler3Requires cookie*
 Title    Age-Class Differences in Lipids from the Paracloacal Glands of the American Alligator {Alligator mississippiensis)  
 Abstract    The paracloacal gland secretions of immature and adult American alligators (Alligator mississippiensis) from Louisiana were analyzed by gas chromatography/mass spectrometry and nuclear magnetic resonance spectroscopy to investigate age-class differences in lipid composition. The secretions of both immature and adult alligators contain saturated C 14 and C 16 free fatty acids and decyl, undecyl, dodecyl, tetradecyl, and hexadecyl acetates. Com­ pounds observed only in immature alligators include dodecanoic acid, C J2 and C ]4 alcohols, C i0-C 14 butanoates, an array of C8-C 18 3-methylbutanoates, C 12-C 15 hexanoates, C x2 and C 14 octanoates, a C12 decanoate, C 10-C 14 dodecanoates, C I0-C ]6 tetradecanoates, C 12 and C 14 hexadecanoates, a C x2 octadecanoate, and a diterpene hydrocarbon identified as (E ,E)-7,ll,15-trimethyl-3-methylenehexadeca-l,6,10,14-tetraene (ß-springene). Compounds ob­ served only in adults include several C7-C 16 free fatty acids and certain C U)-C 18 acetates. The age-class differences we observe in the paracloacal gland lipids of alligators from Louisi­ ana are similar to those previously reported for alligators from Texas. 
  Reference    Z. Naturforsch. 53c, 201 (1998); received October 15/December 30 1997 
  Published    1998 
  Keywords    Alligator mississippiensis, Paracloacal Gland Secretions, Straight-and Branched-Chain Esters, Alcohols, Fatty Acids, ß-Springene 
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 TEI-XML for    default:Reihe_C/53/ZNC-1998-53c-0201.pdf 
 Identifier    ZNC-1998-53c-0201 
 Volume    53