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. 2023 May 26;15(11):2480. doi: 10.3390/nu15112480

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© 2023 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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Effect of peppermint essential oil on cognitive functions in rats: (A) The movement of rats in elevated plus maze tests (n = 8–12); (B) the average time spent in the open arm; (C) the average number of entries into the open arm; (D) the average percentage of time spent in the open arm; (E) the average percentage of entries into the open arm; (F) the movement of rats in novel object recognition tests (n = 11–12); (G) the average total exploration times of objects; (H) the average of exploration times of the new objects; (I) the average novel object discrimination index values. One-way ANOVA was used for comparison between groups. The values are presented as mean ± SEM.