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Article

Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties

1
Department of Biology and Biotechnology, Chair of Biochemistry, University of Warmia and Mazury, 10-748 Olsztyn, Poland
2
Division of Food Science, Institute of Animal Reproduction and Food Research of the Polish Academy of Science, 10-748 Olsztyn, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Anna Andolfi
Molecules 2020, 25(9), 2075; https://doi.org/10.3390/molecules25092075
Received: 18 March 2020 / Revised: 24 April 2020 / Accepted: 26 April 2020 / Published: 29 April 2020
(This article belongs to the Special Issue Natural Secondary Metabolites)
There is only a small acreage of planted soybeans in northern Europe, as the global production of this crop is mainly dictated by the warmer temperatures needed for bountiful yields. The defense response of soybean plants to a cold climate entails the secretion of specific compounds which help mitigate oxidative stress, i.e., antioxidants, including phenolic compounds. The objective of this study was to examine differences in the concentrations of phenolic compounds, their antioxidant properties, and the concentration of key isoflavones (namely genistein, daidzein, malonyl daidzein, malonyl genistein, and daidzin) in the seeds of six soybean cultivars from two different regions of Europe, namely Poland and France. The total phenolic contents, isoflavone levels, and in vitro antioxidant capacities of soybean seeds from most of the investigated cultivars of northeast Europe were found to be greater than those from southwest Europe. The phenolic compounds of seed extracts are primarily responsible for the free-radical scavenging of soybeans. Factors regulating the production of phenolic compounds in the seeds have not been thoroughly elucidated. Hence, the results presented in this paper can be useful in the selection of soybean cultivars with higher levels of seed phenolics, because of their beneficial impact on human health and on the soybean’s defense mechanism against plant stresses. View Full-Text
Keywords: soybean; seeds; phenolic compounds; isoflavones; antioxinants soybean; seeds; phenolic compounds; isoflavones; antioxinants
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MDPI and ACS Style

Król-Grzymała, A.; Amarowicz, R. Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties. Molecules 2020, 25, 2075. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules25092075

AMA Style

Król-Grzymała A, Amarowicz R. Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties. Molecules. 2020; 25(9):2075. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules25092075

Chicago/Turabian Style

Król-Grzymała, Angelika, and Ryszard Amarowicz. 2020. "Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties" Molecules 25, no. 9: 2075. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules25092075

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