Triterpenoidal oligoglycosides contained in the Cuvierian tubules of the Bahamean sea cucumber Actinopyga agassizi Selenka were shown to consist of a new lanostane-type triterpene tetraglycoside sulfate (24-dehydroechinoside A) (10) and holothurin A (11) in an approximate ratio of 2: 1. The chemical structure of 24-dehydroechinoside A (10) was elucidated on the basis of chemical and physicochemical evidence. © 1982, The Pharmaceutical Society of Japan. All rights reserved.
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Kitagawa, I., Kobayashi, M., & Kyogoku, Y. (1982). Marine Natural Products. IX. Structural Elucidation of Triterpenoidal Oligoglycosides from the Bahamean Sea Cucumber Actinopyga agassizi Selenka. Chemical and Pharmaceutical Bulletin, 30(6), 2045–2050. https://doi.org/10.1248/cpb.30.2045