Journal Article

FZJ-2023-03177

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Characterization of Bioactive Phenolic Compounds in Seeds of Chilean Quinoa (Chenopodium quinoa Willd.) Germplasm

Pandya, A.FZJ* ; Thiele, B.FZJ* ; Köppchen, S.FZJ* ; Zurita-Silva, A.Extern* ; Usadel, B.FZJ* ; Fiorani, F. (Corresponding author)FZJ*

2023
MDPI Basel

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Please use a persistent id in citations: doi:10.3390/agronomy13082170  doi:10.34734/FZJ-2023-03177

Abstract: In recent years, quinoa (Chenopodium quinoa Willd.), an ancient Andean region crop, has received increased research attention because it is an excellent source of nutrients and also of bioactive phenolic compounds, which are potentially beneficial for human health. However, variation in the content and type of these metabolites in quinoa genetic resources remains, to a large extent, unexplored. We evaluated the composition of free and bound phenolic forms in the seeds of 111 Chilean quinoa accessions by using LC-DAD-MS/MS. The relative phenolic content ranged from 35.51 mg/100 g to 93.23 mg/100 g of seed dry weight. The free phenolic fraction accounted for 72% of the total phenolic content, while the bound fraction represented the remaining 28% of the total phenolic content. Our study also revealed a significant degree of variation in terms of individual phenolic compounds such as rutin, vanillic acid, quercetin, and their derivatives, which can have important implications for quinoa’s nutritional and functional properties. We conclude that our data reveal a significant phenotypic variation of bioactive phenolic content in the examined germplasm, which could be exploited in current and future genetic improvement programs in quinoa.

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Contributing Institute(s):

1. Pflanzenwissenschaften (IBG-2)
2. Agrosphäre (IBG-3)
3. Bioinformatik (IBG-4)

Research Program(s):

1. 2171 - Biological and environmental resources for sustainable use (POF4-217) (POF4-217)

Appears in the scientific report 2023

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