A comparative study on ceramide compisition of cetacean brqain gangliosides

  • Terabayashi T
  • Ogawa T
  • Kawanishi Y
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Abstract

1. 1. Ceramide composition andf N-glycolyneuraminic acid content of gangliosides from gray and white matters and myelin of cerebrum were analyzed in eight species belonging to the suborder Odontoceti and two species to Mystacoceti. 2. 2. The most characteristic feature was high contents of C20:0 (10-40%) and C24 species (5-40%). 3. 3. Content of hydroxy fatty acid of C24 species was higher in cerebellum (5-20%) than cerebrum (0-3%). 4. 4. Major component of long-chain base was dC18:1 (70-90%). 5. 5. N-glycolylneuraminic acid was found in sperm whale, Dall's porpoise and killer whale (0.1-1.7%). © 1992.

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Authors

  • Takashi Terabayashi

  • Tadao Ogawa

  • Yasuhiro Kawanishi

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