Two new hopane type triterpenes, named dryopteric acids A (1) and B (2), were isolated from the Rhizome of Dryopteris crassirhizoma (Aspiadaceae) together with sixteen known compounds (3-18). Of isolated compounds, ursolic acid (15), and dryopteric acid A (1) and B (2) showed potent inhibitory
To evaluate the anti-invasive effect of ethanol extracts of rhizome of Dryopteris crassirhizoma (EEDC) in matrix invasion and formation of functional invadopodia and to determine the anti-tumor effect of EEDC in a mouse model of mandibular invasion by gingival squamous cell carcinoma
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