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A phytochemical investigation of Yucca schottii (Liliaceae).

The saponin‐containing fraction of the leaves of Yucca schottii Engelm. (Liliaceae) has been shown to possess anti‐inflammatory properties against carrageenin‐induced edema in rats. By means of silica gel G dry column and thin‐layer chromatographic techniques, a separation of the saponins present as the acetates was accomplished. Six of the saponins showed the presence of yuccagenin as their aglycone and galactose as the sugar moiety. The other saponin contained kammogenin as its aglycone and 2‐deoxyribose as the sugar moiety. A preparative isolation procedure was developed for the saponin which contained kammogenin as its aglycone. It was shown to contain 5 units of 2‐deoxyribose attached to the 3‐position of the aglycone.