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. 2018 Apr 1;21(2):91–101. doi: 10.1089/rej.2017.1931

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© Vladimir Kostyuk et al., 2018; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons Attribution Noncommercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and the source are cited.

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FIG. 2. — Photostability of polyphenols. UV-visible absorption spectra of 50 μmol/L resveratrol (A) and verbascoside (B) in 0.1 M potassium phosphate buffer (pH 7.4) recorded (1) before and (2–5) 1, 3, 20, and 40 minutes after solar-simulated irradiation (UVA/UVB = 2/1, irradiance 25 W/m²).