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. 2021 May 22;21:148. doi: 10.1186/s12906-021-03319-w

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© The Author(s) 2021

Open AccessThis 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 1 — Cell viability determinations of the treated BV-2 cells. Viability of the BV-2 cells was measured using CCK-8 cell viability assay after the 6 h and 24 h long treatments with DMSO, chemotypes or standards. Viability is expressed as percentile of the total cell number of the control cells. a Cell viability measurements of BV-2 cells treated with DMSO or essential oil chemotypes. b Cell viability measurements of BV-2 cells treated with DMSO or essential oil standards. The bars represent mean values and error bars represent standard deviation (SD) for four independent determinations (n = 4). Cell viability assays were carried out in triplicate in each independent experiments. Asterisks indicate p < 0.05 compared to the DMSO treated cells used as controls