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. 2019 Mar 29;11(4):739. doi: 10.3390/nu11040739

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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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Ultra performance liquid chromatography (UHPLC)-photodiode array (PDA) and UHPLC-mass spectrometry (MS) chromatograms of sedanenolide, isolated from the ethyl acetate crude extract of Apium graveolens. The ultraviolet absorbance spectrum and mass spectrum are also provided. The high performance thin layer chromatography (HPTLC)-bio-autography plate of pure sedanenolide (in duplicate) against Chromobacterium violaceum is also indicated with the white zones confirming the anti-quorum sensing activity of the compound.