Evaluation of Different Soybean Genotypes in Terms of Isoflavones, Antioxidants and Some Quality Traits

Year 2023, Volume: 6 Issue: 4, 343 - 349, 01.07.2023

Nurgül Ergin , Erdem Gülümser , Hanife Mut , Uğur Başaran , Medine Çopur Doğrusöz

https://doi.org/10.47115/bsagriculture.1260705

Abstract

Soybean (Glycine max L.) varieties around the world have different quality characteristics that determine their use and nutritional value. In this study, the isoflavones (daidzein and genistein), isoflavone glycosides (daidzin and genistin), total flavonoid, total phenolic, free radical scavenging activity (DPPH), crude protein, crude fiber, fat, and condensed tannins contents of Turkish origin soybean genotypes were determined. The isoflavone contents were determined in the LC-MS/MS, antioxidants and condensed tannins content in the spectrophotometer, and other quality traits were determined in the NIRS device. The daidzein and genistein contents ranged between 0.035-0.446 and 0.308-1.188 ppm, respectively. The genistin content (0.254-8.906 ppm) was more variable than daidzin (0.388-1.006 ppm). Soybean genotypes exhibited high antioxidant characteristics. The crude protein contents were ranged from 36.127-40.603%. As a result, all genotypes examined were found to be rich in bioactive metabolites, therefore, high-quality raw materials for food production and human consumption.

Keywords

Soybean, Food, Protein, Secondary metabolite

Supporting Institution

Bilecik Şeyh Edebali University Project Management Office

Project Number

. 2020-01.BŞEÜ.06-02.

Thanks

The authors wish to thank the Bilecik Şeyh Edebali University Project Management Office for financial support of this project under Grant No. 2020-01.BŞEÜ.06-02. This text has been proofread and edited by the School of Foreign Languages, Bilecik Şeyh Edebali University.

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