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. 2018 Jun 4;102(16):7097–7111. doi: 10.1007/s00253-018-9109-z

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© The Author(s) 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 9 — LC-MS profile of the fraction of interest extracted from the culture of A. klebahnii with 4″-hydroxychalcone after 14 days of incubation and adequate MS/MS spectra of 4″-hydroxychalcone (m/z 225.09), 4″-hydroxydihydrochalcone (m/z 227.09) and 4″,x-dihydroxydihydrochalcone (m/z 243.09)