STUDIES ON THE SPONGE SPONGIA OFFICINALIS ( I ) / 中国海洋药物

ABSTRACT

The chemical constituents of the soponge Spongia officinalis collected from the South China Sea have been studied. This paper reports the isolation and identification of the eight sterols, i.e. , 1 22, 23-methylenecholesta-5, 7-dien-3B-ol, 2 cholesta-5, 7-dien-3B-ol, 3 cholesta-5,7,25-trien-3B-ol, 4 stigmasta-5-en-3B-ol, 5 stigmasta-7,16,25-trien-3p-ol, 6 stigmasta-5,7,22-trien-3B-ol, 7 ergosta-5,7-dien-3B-ol, 8(22-E)-ergosta-7,22-dien-3B-ol, by means of spectroscope and GC-MS methods.