Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour

This study explores the effects of <i>Tricholoma matsutake</i>-derived insoluble dietary fiber (TMIDF) on the pasting behavior, structural properties, and in vitro digestibility of rice flour. The incorporation of 5% TMIDF significantly increased the peak viscosity (from 2573.21 to 2814....

Full description

Saved in:
Bibliographic Details
Main Authors: Qin Qiu, Jing Chen, Dafeng Sun, Yongshuai Ma, Yujie Zhong, Junjie Yi, Ming Du, Man Zhou, Tao Wang
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Foods
Subjects:
Online Access:https://www.mdpi.com/2304-8158/14/12/2143
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1849432934880116736
author Qin Qiu
Jing Chen
Dafeng Sun
Yongshuai Ma
Yujie Zhong
Junjie Yi
Ming Du
Man Zhou
Tao Wang
author_facet Qin Qiu
Jing Chen
Dafeng Sun
Yongshuai Ma
Yujie Zhong
Junjie Yi
Ming Du
Man Zhou
Tao Wang
author_sort Qin Qiu
collection DOAJ
description This study explores the effects of <i>Tricholoma matsutake</i>-derived insoluble dietary fiber (TMIDF) on the pasting behavior, structural properties, and in vitro digestibility of rice flour. The incorporation of 5% TMIDF significantly increased the peak viscosity (from 2573.21 to 2814.52 mPa·s) by competitively adsorbing water and forming a dense transient network, while simultaneously reducing the final viscosity (from 1998.27 to 1886.18 mPa·s) by inhibiting amylose recrystallization. Multi-scale structural analyses revealed that TMIDF enhanced V-type crystallinity and limited enzyme access via a porous fibrous matrix. Fourier-transform infrared spectroscopy and low-field nuclear magnetic resonance analyses confirmed that hydrogen bonding and water redistribution were key interaction mechanisms. TMIDF significantly lowered in vitro starch digestibility and increased resistant starch content by 16% (from 14.36% to 30.94%) through synergistic effects, including physical encapsulation of starch granules, formation of enzyme-resistant amylose-lipid complexes, and α-amylase inhibition (31.08%). These results demonstrate that TMIDF possesses a unique multi-tiered modulation mechanism, involving structural optimization, enzyme suppression, and diffusion control, which collectively surpasses the functional performance of conventional plant-derived insoluble dietary fibers. This research establishes a theoretical basis for applying fungal insoluble dietary fibers to develop low glycemic index functional foods, highlighting their dual role in improving processing performance and nutritional quality.
format Article
id doaj-art-33fa52d3119343f49a602ebe4d3b3fc7
institution Kabale University
issn 2304-8158
language English
publishDate 2025-06-01
publisher MDPI AG
record_format Article
series Foods
spelling doaj-art-33fa52d3119343f49a602ebe4d3b3fc72025-08-20T03:27:14ZengMDPI AGFoods2304-81582025-06-011412214310.3390/foods14122143Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice FlourQin Qiu0Jing Chen1Dafeng Sun2Yongshuai Ma3Yujie Zhong4Junjie Yi5Ming Du6Man Zhou7Tao Wang8Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaFaculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaKunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives, Kunming 650221, ChinaFaculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaFaculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaFaculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaSchool of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, ChinaSchool of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, ChinaFaculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, ChinaThis study explores the effects of <i>Tricholoma matsutake</i>-derived insoluble dietary fiber (TMIDF) on the pasting behavior, structural properties, and in vitro digestibility of rice flour. The incorporation of 5% TMIDF significantly increased the peak viscosity (from 2573.21 to 2814.52 mPa·s) by competitively adsorbing water and forming a dense transient network, while simultaneously reducing the final viscosity (from 1998.27 to 1886.18 mPa·s) by inhibiting amylose recrystallization. Multi-scale structural analyses revealed that TMIDF enhanced V-type crystallinity and limited enzyme access via a porous fibrous matrix. Fourier-transform infrared spectroscopy and low-field nuclear magnetic resonance analyses confirmed that hydrogen bonding and water redistribution were key interaction mechanisms. TMIDF significantly lowered in vitro starch digestibility and increased resistant starch content by 16% (from 14.36% to 30.94%) through synergistic effects, including physical encapsulation of starch granules, formation of enzyme-resistant amylose-lipid complexes, and α-amylase inhibition (31.08%). These results demonstrate that TMIDF possesses a unique multi-tiered modulation mechanism, involving structural optimization, enzyme suppression, and diffusion control, which collectively surpasses the functional performance of conventional plant-derived insoluble dietary fibers. This research establishes a theoretical basis for applying fungal insoluble dietary fibers to develop low glycemic index functional foods, highlighting their dual role in improving processing performance and nutritional quality.https://www.mdpi.com/2304-8158/14/12/2143<i>Tricholoma matsutake</i>insoluble dietary fiberstarch gelatinizationin vitro digestion
spellingShingle Qin Qiu
Jing Chen
Dafeng Sun
Yongshuai Ma
Yujie Zhong
Junjie Yi
Ming Du
Man Zhou
Tao Wang
Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour
Foods
<i>Tricholoma matsutake</i>
insoluble dietary fiber
starch gelatinization
in vitro digestion
title Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour
title_full Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour
title_fullStr Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour
title_full_unstemmed Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour
title_short Effects of <i>Tricholoma</i> Matsutake-Derived Insoluble Fiber on the Pasting Properties, Structural Characteristics, and In Vitro Digestibility of Rice Flour
title_sort effects of i tricholoma i matsutake derived insoluble fiber on the pasting properties structural characteristics and in vitro digestibility of rice flour
topic <i>Tricholoma matsutake</i>
insoluble dietary fiber
starch gelatinization
in vitro digestion
url https://www.mdpi.com/2304-8158/14/12/2143
work_keys_str_mv AT qinqiu effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT jingchen effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT dafengsun effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT yongshuaima effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT yujiezhong effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT junjieyi effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT mingdu effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT manzhou effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour
AT taowang effectsofitricholomaimatsutakederivedinsolublefiberonthepastingpropertiesstructuralcharacteristicsandinvitrodigestibilityofriceflour