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

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 mitig...

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Main Authors: Angelika Król-Grzymała, Ryszard Amarowicz
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/9/2075
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author Angelika Król-Grzymała
Ryszard Amarowicz
author_facet Angelika Król-Grzymała
Ryszard Amarowicz
author_sort Angelika Król-Grzymała
collection DOAJ
description 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.
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spelling doaj.art-398f2c6e6515431ab6c90348e9f429f32023-11-19T23:01:33ZengMDPI AGMolecules1420-30492020-04-01259207510.3390/molecules25092075Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant PropertiesAngelika Król-Grzymała0Ryszard Amarowicz1Department of Biology and Biotechnology, Chair of Biochemistry, University of Warmia and Mazury, 10-748 Olsztyn, PolandDivision of Food Science, Institute of Animal Reproduction and Food Research of the Polish Academy of Science, 10-748 Olsztyn, PolandThere 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.https://www.mdpi.com/1420-3049/25/9/2075soybeanseedsphenolic compoundsisoflavonesantioxinants
spellingShingle Angelika Król-Grzymała
Ryszard Amarowicz
Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties
Molecules
soybean
seeds
phenolic compounds
isoflavones
antioxinants
title Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties
title_full Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties
title_fullStr Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties
title_full_unstemmed Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties
title_short Phenolic Compounds of Soybean Seeds from Two European Countries and Their Antioxidant Properties
title_sort phenolic compounds of soybean seeds from two european countries and their antioxidant properties
topic soybean
seeds
phenolic compounds
isoflavones
antioxinants
url https://www.mdpi.com/1420-3049/25/9/2075
work_keys_str_mv AT angelikakrolgrzymała phenoliccompoundsofsoybeanseedsfromtwoeuropeancountriesandtheirantioxidantproperties
AT ryszardamarowicz phenoliccompoundsofsoybeanseedsfromtwoeuropeancountriesandtheirantioxidantproperties