Comprehensive and comparative profiling of sugars and organic acids in green and kilned malts of barley cultivars using GC-MS/MS and UHPLC

The present investigation aimed at studying the sugar and organic acid profile using gas chromatography-mass spectrometry (GC-MS/MS) and ultra-high-performance liquid chromatography (UHPLC), respectively in green and kilned barley malt. Reduction in total sugar content after kilning may be attribute...

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Veröffentlicht in:Journal of food composition and analysis 2024-02, Vol.126, p.105861, Article 105861
Hauptverfasser: Rani, Heena, Bhardwaj, Rachana D., Sen, Rahul, Grewal, Satvir K., Kaur, Simarjit
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container_start_page 105861
container_title Journal of food composition and analysis
container_volume 126
creator Rani, Heena
Bhardwaj, Rachana D.
Sen, Rahul
Grewal, Satvir K.
Kaur, Simarjit
description The present investigation aimed at studying the sugar and organic acid profile using gas chromatography-mass spectrometry (GC-MS/MS) and ultra-high-performance liquid chromatography (UHPLC), respectively in green and kilned barley malt. Reduction in total sugar content after kilning may be attributed to the activation of enzyme inhibition pathways, thermolabile nature of diastatic enzymes, utilization of sugars in respiration, and formation of raffinose or glycation/Maillard products during kilning. Along with the major carbohydrates, some minor sugars were also reported in malt. Among them, talose and turanose were reported for the first time in this paper. Total organic acid content increased by more than 1.1 folds after kilning and malic acid was the most prevalent in all genotypes. Comprehensive scrutiny of the sugar and organic acid profiles in green versus kilned malt might be crucial for future breeding programs to develop barley cultivars with an improved sugar profile and required flavor during malting. [Display omitted] •Sugars and Organic acids in green and kilned malt is reported.•Maltose>glucose and talose>sucrose>fructose>turanose were major sugars in malt.•Total organic acid content increased by more than 1.1 folds after kilning and malic acid was the dominant in all genotypes.•Barley genotype is significant determinant of sugar and oganic acid profile in malt.
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subjects Barley
cultivars
enzyme inhibition
flavor
food composition
Gas chromatography-mass spectrometry
glycation
Kilned
malic acid
Malt
malting barley
Organic acid
raffinose
Sugar
sugar content
ultra-performance liquid chromatography
title Comprehensive and comparative profiling of sugars and organic acids in green and kilned malts of barley cultivars using GC-MS/MS and UHPLC
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