Gas chromatography–mass spectrometry analysis of metabolites in finger millet and Bambara groundnut as affected by traditional and novel food processing

Metabolite profiling is an analytical technique used to assess metabolites in complex biological samples. This technique allows for the identification of both targeted and untargeted metabolites. In this study, the effect of traditional (fermentation and malting) and novel processing (ultrasonicatio...

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Veröffentlicht in:Journal of food science 2024-10, Vol.89 (10), p.6394-6412
Hauptverfasser: Mudau, Masala, Chinma, Chiemela Enyinnaya, Ledbetter, Moira, Wilkin, Jon, Adebo, Oluwafemi Ayodeji
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container_end_page 6412
container_issue 10
container_start_page 6394
container_title Journal of food science
container_volume 89
creator Mudau, Masala
Chinma, Chiemela Enyinnaya
Ledbetter, Moira
Wilkin, Jon
Adebo, Oluwafemi Ayodeji
description Metabolite profiling is an analytical technique used to assess metabolites in complex biological samples. This technique allows for the identification of both targeted and untargeted metabolites. In this study, the effect of traditional (fermentation and malting) and novel processing (ultrasonication) on the metabolites of finger millet (FM) and Bambara groundnut (BGN) flour was investigated using gas chromatography–mass spectrometry. Various metabolite classes, including amino acids, alcohol, aldehyde, organic acid, ester, fatty acids, glycoside, and sugar, were identified in FM and BGN flours. The adopted processing techniques impacted metabolite composition, as evidenced by substantial variations in volatile compound levels and metabolite composition among the FM and BGN samples before and after traditional and novel processing. Important health‐promoting compounds, such as oleic acid, linoelaidic acid, and linoleic acid, were identified at their highest levels in fermented FM and BGN flours. The results obtained from this study offer an important context for monitoring and regulating the metabolite composition of FM and BGN flours under traditional and novel processing. Practical Application Fermentation, malting, and ultrasonication induced desirable changes in some health‐promoting compounds of finger millet and Bambara groundnut flours. The food and pharmaceutical industries could benefit from these traditional‐ and novel‐modified flours as they could be used as improved food sources with health benefits.
doi_str_mv 10.1111/1750-3841.17337
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subjects Aldehydes
Amino acids
Amino Acids - analysis
Arachis - chemistry
Bambara groundnut
Biological effects
Biological properties
Biological samples
Chemical composition
Chromatography
Composition
Eleusine - chemistry
Fatty Acids - analysis
Fermentation
Flour
Flour - analysis
Food Handling - methods
Food industry
Food processing
Food sources
Gas chromatography
Gas Chromatography-Mass Spectrometry - methods
Glycosides
legume
Linoleic acid
malting and ultrasonication
Mass spectrometry
Mass spectroscopy
Metabolites
metabolomics
Millet
Novel foods
Oleic acid
Organic acids
Pharmaceutical industry
Scientific imaging
Volatile compounds
Volatile Organic Compounds - analysis
title Gas chromatography–mass spectrometry analysis of metabolites in finger millet and Bambara groundnut as affected by traditional and novel food processing
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