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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/).
Scavenging ability on DPPH radicals of valerian extracts. Each value is expressed as the mean ± standard deviation (n = 4). 75C0E (■), 75C25E (△), 75C50E (▼), 75C75E (○), 75C95E (●).