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. 2021 Nov 26;10(12):2589. doi: 10.3390/plants10122589

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© 2021 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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Total phenol content (A), total flavonoid content (B), 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical scavenging (C), and 2,2’-azinobis-(3-ethyl-benzothiazoline)-sulfonic acid (ABTS) radical scavenging activity (D) in R. hongnoensis was affected by light quality. Light quality applied included W, white (as the control) light-emitting diodes (LEDs); R, red LEDs; B, blue LEDs; RGB, combined LEDs of R, green (G), and B at 7:1:2; and RGBFr, combined LEDs of R, G, B, and far-red (Fr) at 7:1:2:1. Data are the mean ± S.E of the 5 biological replicates. Means accompanied by different letters are significantly different (p < 0.05) according to the Duncan’s multiple range test at 5% significance level.