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Fig. 2 The qualitative and quantitive analysis of the main contents of QXY extract by UHPLC-MS. (A-B) The total iron current in both positive and negative models and single iron monitor of mix standards including benzoylmesaconine, atractylenolide I, icariin, quercitrin, psoralen, kaempferol, ferulic acid and protocatechuic acid. (C-D) The total iron current in both positive and negative models and selected iron monitoring (SIM) of QXY extract. Red arrows indicated the standards or compounds in QXY extract. Retention times: Benzoylmesaconine, 5.93 min; Atractylenolide I, 11.46 min; Icariin, 6.56 min; Quercitrin, 5.36 min; Psoralen, 7.47 min; Kaempferol, 7.30 min; Ferulic acid, 5.26 min; Protocatechuic acid, 3.13 min.
Reprinted from Phytomedicine : international journal of phytotherapy and phytopharmacology, 130, Zhou, Z.Y., Ma, J., Zhao, W.R., Shi, W.T., Zhang, J., Hu, Y.Y., Yue, M.Y., Zhou, W.L., Yan, H., Tang, J.Y., Wang, Y., Qiangxinyin formula protects against isoproterenol-induced cardiac hypertrophy, 155717155717, Copyright (2024) with permission from Elsevier. Full text @ Phytomedicine