藻体含杂多糖(heteropolysaccharide),糖蛋白(glycoprotein),蛋白质(protein),脂肪(fat),粗纤维(crude fiber),甘露糖(mannose),半乳糖(galactose)。还含28-异岩藻甾醇(28-isofucosterol),环木菠萝烯醇(cycloartenol),24-亚甲基环木菠萝烷醇(24-methylene cycloartanol),5-燕麦甾烯醇(△\5-avenasterol),麦角甾醇(ergosterol),二甲基-β-丙酸噻亭(dimethyl-β-propiothetin)等。又含多种元素:碳,钠,钾,钙,镁,锶,磷,钡,铁,锌,锰,铜,镍,钼,铅,铯,镉。藻体含硫酸多糖(sulfated polysaccharide),蛋白质,戊聚糖(pentosan),又含氨基酸,乙酸(acetic acid),丙酸(prepionic acid),丁酸(butvric acid),缬草酸(valeric acid),以及肉豆蔻酸(myristic acid),棕榈酸(palmitic acid),亚麻酸(linolenic acid)等脂肪酸,另含挥发性成分:葛缕酮(carvone),糠醛(furfural),苯甲醛(benzaldehyde),丙醛(propanal),柠檬醛(citral),茴香醛(anisaldehyde),香草醛(vanillin),异香草醛(isovanillin),桂皮醛(cinnamic aldehyde),香茅醛(citronellol),异松油烯(terpinolene),α-蒎烯(α-pinene),柠檬烯(limonene),黄樟醚(safrole),对聚伞药素(p-cymene),桉叶素(cineole),丁香油酚(eugenol),芳樟醇(linalool),α-松油醇(α-terpinoeol),十五醛(pentadecanol),8,11,14-十七碳-三烯醛(8,11,14-heptadecatrienal),8-十七碳烯醛(8-heptadecenal),7,10,13-十六碳三烯醛(7,10,13-hexadecatrienal),(Z, Z)-8,11-十七碳二烯醛[(Z,Z)-8,11-heptadecadienal]。还含有1'-O-棕榈酰基-3'-O-(6-O-α-D-半乳糖基-β-D-半乳糖基)甘油[1'-O-palmitoyl-3'-O-(6-O-α-D-galactopyrano-syl-β-D-galactopyranosyl)glycerol],1'-O-棕榈酰基-3'-O-(6-磺基-O-α-D-吡喃异鼠李糖基)甘油[1'-O-palmitoyl-3'-O-(6-sulfo-O-α-D-quinovopyranosyl)glycerol],1,2-二脂酰甘油基-4'-0-(N,N,N-三甲基)高丝氨酸[1,2-diacylglyceryl-4'-O-(N,N,N-trimethyl)homoserine],二半乳糖基二脂酰基甘油(digalactosyldiacylglycerol),28-异岩藻甾醇(28-isofucosterol),顺-7-十七碳烯(cis-7-heptadecene),胆甾醇(cholesterol),24-亚甲基胆甾醇(24-methylene cholesterol),植醇(phytol),棕榈酸,(2R)-羟基-十六碳酸[(2R)-hydroxy-hexadecanoic acid],2-氧代-十六碳酸(2-oxo-hexadecanoic acid)。