Evidence-Based Complementary and Alternative Medicine / 2020 / Article / Fig 1

Review Article

Medicinal Uses, Phytochemistry, and Pharmacological Activities of Quercus Species

Figure 1

(a) Chemical structure of the 3 new pentacyclic triterpenes which were elucidated to be 3-O-galloyloleanolic acid, 23-acetoxy-3-O-galloyloleanolic acid, and 3-acetoxy-23-O-galloyloleanolic acid from the Q. liaotungensis acorn [49]. (b) Four new triterpenoid saponins from Q. serrata var. brevipetiolata [45]. (c) New triterpenoid saponins isolated from acorns of Q. serrata var. brevipetiolata [44]. (d) Three new 24-noroleanane triterpenoids from Q. aliena var. acuteserrata [88].

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