Metabolite Profiling of Soy By-Products: A Comprehensive Approach

Soy is the major oilseed crop as soybeans are widely used to produce biofuel, food, and feed. Other parts of the plant are left on the ground after harvest. The accumulation of such by-products on the soil can cause environmental problems. This work presents for the first time a comprehensive metabo...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2022-06, Vol.70 (23), p.7321-7341
Main Authors: Bragagnolo, Felipe Sanchez, Álvarez-Rivera, Gerardo, Breitkreitz, Márcia Cristina, Ibáñez, Elena, Cifuentes, Alejandro, Funari, Cristiano Soleo
Format: Article
Language:English
Subjects:
Chromatography, High Pressure Liquid - methods
Fabaceae
Gas Chromatography-Mass Spectrometry - methods
Glycine max
Liquid-Liquid Extraction - methods
Mass Spectrometry - methods
Omics Technologies Applied to Agriculture and Food
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Summary:Soy is the major oilseed crop as soybeans are widely used to produce biofuel, food, and feed. Other parts of the plant are left on the ground after harvest. The accumulation of such by-products on the soil can cause environmental problems. This work presents for the first time a comprehensive metabolite profiling of soy by-products collected directly from the ground just after mechanical harvesting. A two-liquid-phase extraction using n-heptane and EtOH-H2O 7:3 (v/v) provided extracts with complete characterization by gas chromatography and ultra-high-performance liquid chromatography both coupled to time-of-flight mass spectrometry. A total of 146 metabolites, including flavones, flavonols, isoflavonoids, fatty acids, steroids, mono-, sesqui-, di-, and triterpenoids, were tentatively identified in soy by-products and soybeans. These proved to be sources of a wide range of bioactive metabolites, thus suggesting that they could be valorized while reducing potential environmental damage in line with a circular economy model.
ISSN:0021-8561
1520-5118
DOI:10.1021/acs.jafc.2c01050