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Seasonal and geographic variations of the sterols from the starfish asterias vulgaris (verrill)

✍ Scribed by D.Jean Burnell; John W. ApSimon; Michael W. Gilgan

Book ID
118978930
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
539 KB
Volume
39
Category
Article
ISSN
0039-128X

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πŸ“œ SIMILAR VOLUMES

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Estimation of a steroid released from the crude saponins of the starfish, Asterias vulgaris, by solvolysis: Seasonal and geographic abundance
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Conditions were optimized for the quantitative extraction and isolation, by reversed-phase adsorption, of a saponin, from the common or purple starfish, Asterias vulgaris. and for the subsequent solvolytic release and quantitation of a steroid aglycone, Sa-pregn-9tl l)-ene-3P,6a-diol-20-one. With t

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## Abstract The madreporite regions of two species of starfish were examined by high‐resolution light microscopy and transmission electron microscopy. In both, the madreporite gutter epithelium is predominantly composed of ciliated cells, each bearing a single elongate cilium and numerous microvill