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© 2024 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/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

Amaranth is a nutritionally valuable crop, as it contains phenolic acids and flavonoids, yielding diverse plant secondary metabolites (PSMs) like phytosterol, tocopherols, and carotenoids. This study explored the variations in the contents of seventeen polyphenolic compounds within the leaves of one hundred twenty Amaranthus accessions representing nine Amaranthus species. The investigation entailed the analysis of phenolic content across nine Amaranthus species, specifically A. hypochondriacus, A. cruentus, A. caudatus, A. tricolor, A. dubius, A. blitum, A. crispus, A. hybridus, and A. viridis, utilizing ultra performance liquid chromatography with photodiode array detection (UPLC-PDA). The results revealed significant differences in polyphenolic compounds among accessions in which rutin content was predominant in all Amaranthus species in both 2018 and 2019. Among the nine Amaranthus species, the rutin content ranged from 95.72 ± 199.17 μg g−1 (A. dubius) to 1485.09 ± 679.51 μg g−1 (A. viridis) in 2018 and from 821.59 ± 709.95 μg g−1 (A. tricolor) to 3166.52 ± 1317.38 μg g−1 (A. hypochondriacus) in 2019. Correlation analysis revealed, significant positive correlations between rutin and kaempferol-3-O-β-rutinoside (r = 0.93), benzoic acid and ferulic acid (r = 0.76), and benzoic acid and kaempferol-3-O-β-rutinoside (r = 0.76), whereas gallic acid showed consistently negative correlations with each of the 16 phenolic compounds. Wide variations were identified among accessions and between plants grown in the two years. The nine species and one hundred twenty Amaranthus accessions were clustered into six groups based on their seventeen phenolic compounds in each year. These findings contribute to expanding our understanding of the phytochemical traits of accessions within nine Amaranthus species, which serve as valuable resources for Amaranthus component breeding and functional material development.

Details

Title
Comparative Analysis of Polyphenolic Compounds in Different Amaranthus Species: Influence of Genotypes and Harvesting Year
Author
Jun-Hyoung Bang 1   VIAFID ORCID Logo  ; Ick-Hyun Jo 2   VIAFID ORCID Logo  ; Sebastin, Raveendar 1 ; Won Tea Jeong 3 ; Oh, Sangtaek 4 ; Tae-Young, Heo 4   VIAFID ORCID Logo  ; Sung, Jeehye 5   VIAFID ORCID Logo  ; Hyun, Tae kyung 1 ; Yoon-Sup So 6 ; Ju-Kyung, Yu 6 ; Amal Mohamed AlGarawi 7 ; Ashraf Atef Hatamleh 7   VIAFID ORCID Logo  ; Gi-Ho Sung 8 ; Jong-Wook Chung 1   VIAFID ORCID Logo 

 Department of Industrial Plant Science and Technology, Chungbuk National University, Cheongju 28644, Republic of Korea; [email protected] (J.-H.B.); [email protected] (R.S.); [email protected] (T.k.H.) 
 Department of Crop Science and Biotechnology, Dankook University, Cheonan 31116, Republic of Korea; [email protected] 
 Residual Agrochemical Assessment Division, National Institue of Agricultural Science, Rural Development Administration, Wanju 55365, Republic of Korea; [email protected] 
 Department of Information Statistics, Chungbuk National University, Cheongju 28644, Republic of Korea; [email protected] (S.O.); [email protected] (T.-Y.H.) 
 Department of Food Science and Biotechnology, Andong National University, Andong 36729, Republic of Korea; [email protected] 
 Department of Crop Science, Chungbuk National University, Cheongju 28644, Republic of Korea; [email protected] (Y.-S.S.); [email protected] (J.-K.Y.) 
 Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; [email protected] (A.M.A.); [email protected] (A.A.H.) 
 Biomedical Institute of Mycological Resource, International St. Mary’s Hospital, College of Medicine, Catholic Kwandong University, Incheon 22711, Republic of Korea; Department of Convergence Science, College of Medicine, Catholic Kwandong University, Gangneung 25601, Republic of Korea 
First page
501
Publication year
2024
Publication date
2024
Publisher
MDPI AG
e-ISSN
20763921
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
3046578088
Copyright
© 2024 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/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.