Abstract
Two new compounds, pilosuloside A (1) and pilosulain A (2), one new natural occurring compound (3), and twelve known compounds (4-15), were isolated from the roots of Codonopsis pilosula. Their structures were elucidated by a combination of spectroscopic methods. Regulation of SIRT1 activity by all the compounds was evaluated. The results showed that 4 could activate SIRT1 in a concentration-dependent manner.
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