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. 2016 Oct 24;6:35460. doi: 10.1038/srep35460

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Copyright © 2016, The Author(s)

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HPLC chromatogram of flavonoids from the Nelumbo nucifera extract recorded at 270 nm (a). The DAD-spectrum for determination the purity of quercetin 3-O-β-glucuronide (Q3G) recorded at 254, 270 and 360 nm (b).