[Chemical constituents of Sparganium stoleniferum].

To study the chemical constituents of Sparganium stoleniferum Buch. -Ham, various chromatographic techniques were used to separate and purify the chemical constituents. Their physicochemical properties and spectral data were used to elucidate the structures. Five compounds have been isolated by using silica gel column chromatography. They are beta-sitosterol plamitate (I), SanLeng diphenyllactone (II), SanLeng diphenylacetypene (III), 6,7,10-trihydroxy-8-octadecenoic acid (IV) and daucosterol plamitate (V). Compound II, III are two new compounds.