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. 2019 Sep 30;24(19):3537. doi: 10.3390/molecules24193537

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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HPLC-PAD chromatograms of phenolic standard (a) and individual phenolic compounds from broccoli (b) at 280 nm. Peaks 1, 2, 3, 4, 5, 6, 7, 8, and 9 represent catechin, hydroxybenzoic acid, chlorogenic acid, caffeic acid, ferulic acid, sinapic acid, rutin, cinnamic acid, and quercetin, respectively.