Two compositions,a pure ceramide and a sterol mixture,were isolated from the ethylacetate phase of ethanol extract of the Hypnea Charoides Lamx,collected from the South China Sea.

• 本文首次对长枝沙菜的化学成分进行了研究,从中分离得到神经酰胺和甾醇两类具有较强生理活性的物质。