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. 2020 Jul 2;9(7):576. doi: 10.3390/antiox9070576

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© 2020 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 (http://creativecommons.org/licenses/by/4.0/).

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Effects of the different extracts from N. lotus stamen on SIR2 (a) and SOD2 (b) gene expression determined by RT-qPCR. Expression was normalized with TUB1 gene. CTL are control (untreated, DMSO addition) yeast cells; HRE25 are yeast cells subjected to UV-induced oxidative stress in presence of 25 µg/mL of N. lotus extract obtained by HRE; UAE are yeast cells subjected to UV-induced oxidative stress in presence of 25 µg/mL of N. lotus extract obtained by UAE; MPR are yeast cells subjected to UV-induced oxidative stress in presence of 25 µg/mL of N. lotus extract obtained by UAE followed by DAX-8 MPR purification step. Values are means ± SD of three independent experiments. Different letters represent significant differences between the various extraction conditions (p < 0.05).