Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration

This study was conducted to analyze the moisture characteristics, microstructure and macroscopic quality of fresh wheat noodles processed at three sheeting gaps: 0.9, 1.5 and 2.2 mm. The results showed that water affected the macroscopic quality of fresh noodles mainly through two ways: directly and...

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Main Author: LIU Ling, MA Xinxin, SHI Zhaojian, HU Xinzhong
Format: Article
Language:English
Published: China Food Publishing Company 2023-02-01
Series:Shipin Kexue
Subjects:
Online Access:https://www.spkx.net.cn/fileup/1002-6630/PDF/2023-44-4-021.pdf
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author LIU Ling, MA Xinxin, SHI Zhaojian, HU Xinzhong
author_facet LIU Ling, MA Xinxin, SHI Zhaojian, HU Xinzhong
author_sort LIU Ling, MA Xinxin, SHI Zhaojian, HU Xinzhong
collection DOAJ
description This study was conducted to analyze the moisture characteristics, microstructure and macroscopic quality of fresh wheat noodles processed at three sheeting gaps: 0.9, 1.5 and 2.2 mm. The results showed that water affected the macroscopic quality of fresh noodles mainly through two ways: directly and indirectly. In the direct way, as the sheeting gap decreased from 2.2 to 0.9 mm, the activity, freezability and freedom of water molecules within noodles reduced, limiting microbial utilization of nutrients and inhibiting microbial growth. In the indirect way, as the sheeting gap decreased, the binding strength between water molecules and flour components was enhanced. When the sheeting gap was 1.5 mm, the water molecules in a stronger bonding state prompted the formation of more stable and orderly β-sheets and α-helices in noodles through hydrogen bonding, solidifying the secondary structure and disulfide bonds of gluten and consequently resulting in the formation of a uniform and coherent gluten network manifested by a higher branching rate and a lower end-point rate, ultimately leading to a lower cooking loss rate.
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spelling doaj.art-0849d6a99ce048c1905ba6994836c7d02023-03-06T07:13:33ZengChina Food Publishing CompanyShipin Kexue1002-66302023-02-0144415216110.7506/spkx1002-6630-20211219-217Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water MigrationLIU Ling, MA Xinxin, SHI Zhaojian, HU Xinzhong0(1. College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; 2. School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an 710048, China)This study was conducted to analyze the moisture characteristics, microstructure and macroscopic quality of fresh wheat noodles processed at three sheeting gaps: 0.9, 1.5 and 2.2 mm. The results showed that water affected the macroscopic quality of fresh noodles mainly through two ways: directly and indirectly. In the direct way, as the sheeting gap decreased from 2.2 to 0.9 mm, the activity, freezability and freedom of water molecules within noodles reduced, limiting microbial utilization of nutrients and inhibiting microbial growth. In the indirect way, as the sheeting gap decreased, the binding strength between water molecules and flour components was enhanced. When the sheeting gap was 1.5 mm, the water molecules in a stronger bonding state prompted the formation of more stable and orderly β-sheets and α-helices in noodles through hydrogen bonding, solidifying the secondary structure and disulfide bonds of gluten and consequently resulting in the formation of a uniform and coherent gluten network manifested by a higher branching rate and a lower end-point rate, ultimately leading to a lower cooking loss rate.https://www.spkx.net.cn/fileup/1002-6630/PDF/2023-44-4-021.pdfwater hydrogen protons; fresh wheat noodles; sheeting gaps; microstructure; noodle quality
spellingShingle LIU Ling, MA Xinxin, SHI Zhaojian, HU Xinzhong
Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration
Shipin Kexue
water hydrogen protons; fresh wheat noodles; sheeting gaps; microstructure; noodle quality
title Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration
title_full Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration
title_fullStr Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration
title_full_unstemmed Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration
title_short Influence of Sheeting Gap on the Quality of Fresh Wheat Noodles from the Perspective of Water Migration
title_sort influence of sheeting gap on the quality of fresh wheat noodles from the perspective of water migration
topic water hydrogen protons; fresh wheat noodles; sheeting gaps; microstructure; noodle quality
url https://www.spkx.net.cn/fileup/1002-6630/PDF/2023-44-4-021.pdf
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