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A new ellagitannin, agritannin (1), a new flavone glycoside, agriflavone (2), and another flavone glycoside with spectroscopic data reported for the first time, kaempferol-3-O-[(S)-3-hydroxy-3-methylglutaryl (1→6)]-β-d-glucoside (3), along with 16 known compounds were isolated from the aerial parts of Agrimonia pilosa Ledeb. These compounds were evaluated for PTP1B inhibitory activity. Among them, compounds 9 and 18 displayed potential inhibitory activity against PTP1B with IC50 values of 7.14 ± 1.75 and 7.73 ± 0.24 μM, respectively. In addition, compound 1 showed significant inhibitory effect with an IC50 value of 17.03 ± 0.09 μM. Furthermore, these compounds were tested in AChE inhibitory assays. Most of them were found to have moderate inhibitory effects, with IC50 values ranging from 60.20 ± 1.09 to 92.85 ± 1.12 μM. Except compounds 3, 8, and 18 were inactive. 相似文献
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