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Four new steroidal constituents (
-
) along with two known steroidal glycosides (
and
) were isolated from the roots and rhizomes of
. Analysis of their physicochemical properties and spectroscopic profiles identified the compounds as (25
)-5
-spirostan-9(11)-en-3β, 17
-diol (
); (25
)-5
-spirostan-9(11)-en-3β, 12β-diol (
); (25
)-5
-spirostan-9(11)-en-3β, 17
-diol-3-
-β-d-glucopyranoside (
); (25
)-5
-spirostan-9(11)-en-3β, 17
-diol-3-
-β-d-glucopyranosyl-(1→2)-[β-d-glucopyranosyl-(1→3)]-β-d-galactopyranoside (
); japonicoside B (
); and japonicoside C (
). All six compounds showed cytotoxic activity against SMMC-7712, Bel-7402, A549, H460, and K562 human cancer cells.