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. 2020 Apr 7;11:422. doi: 10.3389/fphar.2020.00422

Figure 5.

Figure 5

Gynostemma pentaphyllum. (A) Gynostemma pentaphyllum (Source https://pngtree.com/freepng). Examples of the chemical structure of Gynostemma pentaphyllum Gypenoside that are usually synthesized 20 S-Protopanaxadiol (PPD). (B) example of some chemical structures of Gypenosides.