マホヤHalocynthia roretziのステロール分析,C26ステロールの単離

The sterols from the muscle and the female gonads of Halocynthia roretzi (Tunicata) have been analysed by thin layer chromatography (AgNO3/Al2O3), gas-liquid chromatography and mass spectrometry. Cholesterol, 24-methylen cholesterol, cholestanol and ?? 7 cholestenol are the main sterols. Three C26 sterols have also been isolated; (chemical structures 1, 2, 3).