Journal of Asian Natural Products Research 2020-Mar
Pubescenosides Q-R, two new phenolic glycosides from Ilex pubescens.
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Two new phenolic glycosides (1-2), along with six existing compounds (3-8), were isolated from the ethanolic extract of Ilex pubescens roots, a traditional folk medicine. These structures were determined using HR-ESI-MS, IR, UV, and NMR (including 1 D, 2 D-NMR). The anti-inflammatory activities of three phenolic glycosides (1-3) were evaluated in the human HepG2 cell lines. The results showed that compound 3 could induce P-gp and BCRP expression through the Nrf2-mediated pathway.