Figure 3.
Chemical structures of triterpenoid saponins from the root of PG. Glc, β-D-glucopyranosyl; Lam, laminaribosyl; Gen, gentiobiosyl; Api, β-D-apiofuranosyl Xyl, β-D-xylopyranosyl; Rha, α-L-rhamnopyranosyl; Ara, α-L-arabinofuranosyl.
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