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. 2022 May 4;27(9):2928. doi: 10.3390/molecules27092928

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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Effects of chromatographic fractions of on the growth of Lactuca sativa. Bioautography assays of (A) GVEA, (B) HRMEA, and (C) POEA extracts on the growth of L. sativa. The bioautography assay of Gynoxys verrucosa extract revealed dehydroleucodine as the major inhibitory component (row 11). The bioautography assay of Hedyosmum racemosum extract revealed onoseriolide as the major inhibitory component (row 13). The bioautography assay of Picradeniopsis oppositifolia extract revealed eucannabinolide as the major inhibitory component (row 6). Growth is expressed as the % difference from the control, and the chromatographic bands were divided by 1 cm rows from the application point to the elution limit on the TLC plate (1–17). * Significance is indicated at p ≤ 0.05. All data are presented as the mean ± SEM.