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. 2022 Mar 9;149:112802. doi: 10.1016/j.biopha.2022.112802

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Fig. 1 — Identification of reference compounds in GB-1 by HPLC analysis. (A) The photo of the slices of dry root of Glycyrrhiza uralensis. (B) The photo of the dry leaves of Camellia sinensis. (C) The structure of glycyrrhizic acid. (D) The structure of (+)-catechin. (E) HPLC chromatograms of glycyrrhizic acid and GB-1. (F) HPLC chromatograms of (+)-catechin and GB-1.