[Study on steroidal compounds from Dioscorea zingiberensis].

OBJECTIVE

To study the chemical constituents of Dioscorea zingiberensis.

METHOD

Manifold chromatography methods were used to separate the chemical constituents, and the chemical stuctures were determined by spectral analyses.

RESULT

6 compounds were isolated from Dioscorea zingiberensis and identified as deltonin, protodeltonin, zingiberensis newsaponin, dioscin, 3-O-[beta-D-glucopyranosyl(1 --> 4)]-beta-D-glucopyranosyl-diosgenin, diosgenin.

CONCLUSION

Deltonin and protodeltonin were isolated from this plant for the first time.