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. 2013 Sep 25;18(10):11733–11750. doi: 10.3390/molecules181011733

Figure 1.

Figure 1

Sample chromatograms for Hypericum perforatum (sample 4) and Hypericum barbatum, with detection at 270 (a) and 590 nm (b) (1-chlorogenic acid, 2-caffeic acid, 3-rutin, 4-quercitrin, 5-hyperforin, 6-hypericin).