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. 2023 Oct 11;13(42):29773–29783. doi: 10.1039/d3ra06029b

Fig. 2. HPLC analysis. (A) HPLC chromatograms of time-course experiments, (B) notoginsenoside R1, 20(S)-notoginsenoside R2 and 20(R)-notoginsenoside R2 standards, (C) the biotransformation products were isolated to obtain mixture of 20(S)-notoginsenoside R2 and 20(R)-notoginsenoside R2 (45.34% and 54.65%).

Fig. 2