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. 2019 Sep 12;5(9):e02453. doi: 10.1016/j.heliyon.2019.e02453

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© 2019 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 5 — 1–3: reference substance: quercetin (5–15μL); 4–5: reference substance:rutin (5–15μL); 7–9: reference substance: quercetin-3-O-D-glucuronide (5–15μL); 10: the RCM-107 formula in methanol-water 8:2; 11: the RCM-107 formula in ethanol-water 8:2; 12: the RCM-107 formula in ethyl acetate; 13: the RCM-107 formula in methanol; 14: the RCM-107 formula in ethanol; 15:Sophorae flos sample; 16: Lotus leaf sample.