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. 2022 Aug 10;11(16):2087.
doi: 10.3390/plants11162087.

Impact of 3-Year Period as a Factor on the Content of Biologically Valuable Substances in Seeds of White Lupin

Ivana Tirdiľová  1 , Alena Vollmannová  2 , Silvia Čéryová  2 , Peter Obtulovič  3 , Július Árvay  2 , Erika Zetochová  4
Affiliations

Impact of 3-Year Period as a Factor on the Content of Biologically Valuable Substances in Seeds of White Lupin

Ivana Tirdiľová et al. Plants (Basel). .

Abstract

White lupin seed is a unique legume rich in protein and fiber contents, as well as phytochemicals with health potential that contributes to a reduced risk of dyslipidemia, obesity and intestinal dysfunction. This study was focused on the effect of the year on the contents of caffeic acid, 4-hydroxybenzoic acid, trans-ferulic, trans-p-coumaric, quercetin, myricetin, kaempferol, apigenin and genistein, as well as the antioxidant activity and total polyphenols, of seeds of eleven varieties (Lupine albus). The contents of individual phenolic substances were determined by high-performance liquid chromatography-HPLC. The total content of polyphenols and the antioxidant activity were determined spectrophotometrically. The results show that the lowest contents of phenolic acids were found in the seeds from 2018. The caffeic acid and trans-ferulic acid were the most represented among all phenolic acids, during all 3 monitored years (2017, 2018, and 2019). Our results confirm the significant influence of the year of cultivation on the bioactive substances' content in the seeds, and this can be potentially useful for the appropriate selection of locations for lupine growers in Slovakia, taking into account the climatic conditions of the given location. This study provides information about a legume that is underutilized in human nutrition, which may be a valuable source of bioactive substances.

Keywords: ABTS; DPPH; FRAP; antioxidant activity; flavonoids; phenolic acids; total polyphenol content; white lupin.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Map of the Slovak Republic with the town Piešt’any, which is the location of the Research Institute of Plant Production.
See this image and copyright information in PMC

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