Abstract
1. 1. The sterol composition of the sponge Homaxinella balfourensis (Ridley and Dendy) has been analysed and seven components detected. 2. 2. These were separated by argentic column chromatography and studied by gas chromatography-mass spectrometry and by proton magnetic resonance spectroscopy. 3. 3. It was established that the components were C 27, C 28 and C 29 fully saturated or side chain unsaturated stanols and colest-5-en-3β-ol as traces.
Published Version
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