Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)

Mung beans are promising for protein ingredient production, but their benefits are hindered by potential antinutritional factors and coloring compounds in the hull, resulting in darker-colored products. To address this issue, this study aims to identify a germination period that enhances dehulling e...

Full description

Saved in:
Bibliographic Details
Main Authors: Christina Wintersohle, Sophie Julia Arnold, Hanna Marie Geis, Franziska Keutgen, Lara Etzbach, Ute Schweiggert-Weisz
Format: Article
Language:English
Published: Elsevier 2024-12-01
Series:Future Foods
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666833524001229
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1850113650046533632
author Christina Wintersohle
Sophie Julia Arnold
Hanna Marie Geis
Franziska Keutgen
Lara Etzbach
Ute Schweiggert-Weisz
author_facet Christina Wintersohle
Sophie Julia Arnold
Hanna Marie Geis
Franziska Keutgen
Lara Etzbach
Ute Schweiggert-Weisz
author_sort Christina Wintersohle
collection DOAJ
description Mung beans are promising for protein ingredient production, but their benefits are hindered by potential antinutritional factors and coloring compounds in the hull, resulting in darker-colored products. To address this issue, this study aims to identify a germination period that enhances dehulling efficiency while minimizing mass losses and chemical alterations. Mung bean seeds were soaked overnight and germinated in the dark for 4, 8, 12, 24, 32, and 48 h, with the effects on dehulling efficiency, enzymatic activities, and chemical composition, including antinutritional factors, examined.After 48 h of germination, a substantial increase in enzyme activities was observed: lipolytic activities increased by 644 %, amylolytic activities by 200 %, and polyphenol oxidase activity by 280 %. A decline in protein (21.02–25.77 %), starch (41.83–56.65 %), and fat (0.35–1.03 %) content was detectable after 48 h of germination. SDS-PAGE analysis revealed a reduction in globulins and structural changes with prolonged germination. Total phenolic content was particularly reduced by 20 % due to dehulling. Short-term germination within 12 to 24 h was found to be an effective strategy to facilitate dehulling of mung bean seeds while reducing antinutritional factors and preserving their chemical composition, thus improving their potential as a high-quality raw material for plant-based foods.
format Article
id doaj-art-9755604e999e4cc08ef36e4070739fb6
institution OA Journals
issn 2666-8335
language English
publishDate 2024-12-01
publisher Elsevier
record_format Article
series Future Foods
spelling doaj-art-9755604e999e4cc08ef36e4070739fb62025-08-20T02:37:05ZengElsevierFuture Foods2666-83352024-12-011010041610.1016/j.fufo.2024.100416Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)Christina Wintersohle0Sophie Julia Arnold1Hanna Marie Geis2Franziska Keutgen3Lara Etzbach4Ute Schweiggert-Weisz5Food Sciences, Institute of Nutritional and Food Sciences, University of Bonn, Meckenheimer Allee 166a, Bonn D-53115, GermanyPlant Proteins and Nutrition, School of Life Sciences, Technical University of Munich, Weihenstephaner Berg 1, Freising D-85354, GermanyFood Sciences, Institute of Nutritional and Food Sciences, University of Bonn, Meckenheimer Allee 166a, Bonn D-53115, GermanyFood Sciences, Institute of Nutritional and Food Sciences, University of Bonn, Meckenheimer Allee 166a, Bonn D-53115, GermanyPlant Proteins and Nutrition, School of Life Sciences, Technical University of Munich, Weihenstephaner Berg 1, Freising D-85354, Germany; Corresponding author.Plant Proteins and Nutrition, School of Life Sciences, Technical University of Munich, Weihenstephaner Berg 1, Freising D-85354, Germany; Fraunhofer Institute for Process Engineering and Packaging, Giggenhauser Straße 35, Freising D-85354, GermanyMung beans are promising for protein ingredient production, but their benefits are hindered by potential antinutritional factors and coloring compounds in the hull, resulting in darker-colored products. To address this issue, this study aims to identify a germination period that enhances dehulling efficiency while minimizing mass losses and chemical alterations. Mung bean seeds were soaked overnight and germinated in the dark for 4, 8, 12, 24, 32, and 48 h, with the effects on dehulling efficiency, enzymatic activities, and chemical composition, including antinutritional factors, examined.After 48 h of germination, a substantial increase in enzyme activities was observed: lipolytic activities increased by 644 %, amylolytic activities by 200 %, and polyphenol oxidase activity by 280 %. A decline in protein (21.02–25.77 %), starch (41.83–56.65 %), and fat (0.35–1.03 %) content was detectable after 48 h of germination. SDS-PAGE analysis revealed a reduction in globulins and structural changes with prolonged germination. Total phenolic content was particularly reduced by 20 % due to dehulling. Short-term germination within 12 to 24 h was found to be an effective strategy to facilitate dehulling of mung bean seeds while reducing antinutritional factors and preserving their chemical composition, thus improving their potential as a high-quality raw material for plant-based foods.http://www.sciencedirect.com/science/article/pii/S2666833524001229Amino acid compositionEnzyme activitiesFT-IRGerminationPhytic acidTrypsin inhibitor
spellingShingle Christina Wintersohle
Sophie Julia Arnold
Hanna Marie Geis
Franziska Keutgen
Lara Etzbach
Ute Schweiggert-Weisz
Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)
Future Foods
Amino acid composition
Enzyme activities
FT-IR
Germination
Phytic acid
Trypsin inhibitor
title Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)
title_full Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)
title_fullStr Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)
title_full_unstemmed Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)
title_short Impact of short-term germination on dehulling efficiency, enzymatic activities, and chemical composition of mung bean seeds (Vigna radiata L.)
title_sort impact of short term germination on dehulling efficiency enzymatic activities and chemical composition of mung bean seeds vigna radiata l
topic Amino acid composition
Enzyme activities
FT-IR
Germination
Phytic acid
Trypsin inhibitor
url http://www.sciencedirect.com/science/article/pii/S2666833524001229
work_keys_str_mv AT christinawintersohle impactofshorttermgerminationondehullingefficiencyenzymaticactivitiesandchemicalcompositionofmungbeanseedsvignaradiatal
AT sophiejuliaarnold impactofshorttermgerminationondehullingefficiencyenzymaticactivitiesandchemicalcompositionofmungbeanseedsvignaradiatal
AT hannamariegeis impactofshorttermgerminationondehullingefficiencyenzymaticactivitiesandchemicalcompositionofmungbeanseedsvignaradiatal
AT franziskakeutgen impactofshorttermgerminationondehullingefficiencyenzymaticactivitiesandchemicalcompositionofmungbeanseedsvignaradiatal
AT laraetzbach impactofshorttermgerminationondehullingefficiencyenzymaticactivitiesandchemicalcompositionofmungbeanseedsvignaradiatal
AT uteschweiggertweisz impactofshorttermgerminationondehullingefficiencyenzymaticactivitiesandchemicalcompositionofmungbeanseedsvignaradiatal