Phosphocholine-Bonded Galactosylceramides from the Crude Drug "Jiryu"(the Earthworm, Pheretima asiatica)

Naoki NODA; Ryuichiro TANAKA; Kazumoto MIYAHARA

doi:10.1248/cpb.42.1247

Naoki NODA, Ryuichiro TANAKA, Kazumoto MIYAHARA

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Keywords: phosphocholine-bonded galactosylceramide, iso-type sphingenine, Pheretima asiatica, zwitterionic glycosphingolipid, earthworm, Jiryu

JOURNAL FREE ACCESS

1994 Volume 42 Issue 6 Pages 1247-1250

DOI https://doi.org/10.1248/cpb.42.1247

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Abstract

Eight glycosphingolipids have been isolated in the pure state from the crude drug "Jiryu" (the dried body wall of the earthworm, Pheretima asiatica). Their structures have been determined on the basis of chemical and spectroscopic evidence. All the compounds carry a phosphocholine group attached to the sugar moiety, and seven of them consist of ceramide units with branched-chain bases (C_{18 : 1}, C_{19 : 1} iso type).

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