Changes in the Content of Dietary Fiber, Flavonoids, and Phenolic Acids in the Morphological Parts of (L.) Gaertn Under Drought Stress

Overview

Journal Molecules

Publisher MDPI

Date 2025 Jan 25

PMID 39860140

Authors

Krzysztof Dziedzic

Pathumi Ariyarathna

Artur Szwengiel

Marzanna Hes

Karolina Ratajczak

Danuta Gorecka

Hanna Sulewska

Jaroslaw Walkowiak

Affiliations

Soon will be listed here.

Abstract

Background: Tartary buckwheat is a plant recognized for its resistance to various environmental stresses. Due to its valuable source of phenolic compounds, is also characterized as a medicinal plant; therefore, the aim of this study was to investigate the drought stress for the levels of phenolic compounds in the morphological parts of the plant.

Methods: This experiment was conducted in 7 L pots under laboratory conditions. Phenolic compounds were identified using a UHPLC-MS chromatography system. Antioxidant activity was assessed using well-known methods, including the DPPH scavenging activity and ferrous ion chelating activity.

Results: In Tartary buckwheat leaves, stems, seeds, and husks, 57 phenolic compounds were identified, with a predominance of quercetin 3-rutinoside, quercetin, kaempferol-3-rutinoside, kaempferol, and derivatives of coumaric acid. It was observed that the Tartary buckwheat samples subjected to drought stress exhibited a slight decrease in the majority of individual phenolic compounds.

Conclusions: The measurement of biological parameters indicated that plant regeneration after drought stress demonstrated a rapid recovery, which can be a positive response to the progression of climate changes.

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