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. 2020 Jul 31;10:12924. doi: 10.1038/s41598-020-69722-4

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Represented UPLC-QTOF/MS chromatograms of the South African herbal concoction. (A) overlaid chromatograms of all samples including the extract of Tulbaghia violacea and (B) overlaid chromatograms of dereplicated hexane versus methanol extract; (All chromatograms were monitored in negative electro-spray ionization mode (ESI^-). The y-axis shows the percentage intensity of the peaks while the x-axis shows the retention time of the corresponding peaks.