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. 2021 Oct 5;14:5111–5121. doi: 10.2147/JIR.S332134

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© 2021 Wu et al.

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Flavonoids in GPFE. The detection wavelength is 285 nm. (A) standard chromatograms; (B) flavonoids constituents of GPFE: 1. narirutin, 2. hesperidin, 3. nobiletin, 4. tangeretin, 5. 5-demethylnobiletin.