Staurocucumis liouvillei

Two trisulfated tetraoside glycosides isolated from the Antarctic sea cucumber Staurocucumis liouvillei, liouvillosides A (88) and B (89) showed little or no cytotoxicity at concentration ranging from 6.25 to 50 ig/ml against Vero cells within 8 h of cell exposure to the compounds but both saponins were cytotoxic following prolonged incubation periods [73]. 

Fig. (24). Sulfated glycosides from Mensamaria intercedens, Staurocucumis liouvillei and Thyone aurea...

FIGURE 3 Cosmasteroside A (5) isolated from the starfish Cosmasterias lurida [16] and Liou-villoside A (6) isolated from the sea cucumber Staurocucumis liouvillei [17],... 

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