Effects of Humidification on Bran Layer Mechanics and Microstructure of Brown Rice: Mechanism and Optimization.

Yadong Zhu, Zhongqiu Mu, Yifan Lu, Xiangyi Meng

Abstract read

In one paragraph

Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

4 authors.

Yadong ZhuCollege of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China.

Zhongqiu MuNanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing 210014, China.

Yifan LuCollege of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China.

Xiangyi MengCollege of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China.ORCID 0009-0007-8468-0750

Funding

Science Research Project of Jiangsu University of Science and Technology No.1022932215the Postgraduate Research & Practice Innovation Program of Jiangsu Province SJCX25_2525

6 · The paper itself

Abstract

Humidification conditioning has been increasingly applied in brown rice milling to improve processing performance. However, the underlying mechanisms by which humidification alters the mechanical behavior and microstructure of the bran layer remain insufficiently understood. In this study, the effects of humidification on the mechanical properties and surface microstructure of the brown rice bran layer were investigated, and the optimal conditioning parameters were further determined based on milling performance. Brown rice samples were conditioned to different moisture levels, and the corresponding changes in bran layer tensile strength, surface roughness, and microstructural features were analyzed using tensile testing, three-dimensional surface profilometry, and scanning electron microscopy. The results show that humidification significantly disrupts the continuity of the fibrous matrix in the bran layer, leading to reduced tensile strength and wear resistance. Moderate humidification (around 16% moisture content) promotes the formation of micro-pores and weakens structural integrity, facilitating bran removal during milling and improving head rice yield (

Indexed as

bran layerbrown ricehumidificationmechanical propertiesresponse surface methodology

Identifiers

PMID41829149

DOI10.3390/foods15050875

PMCPMC12984796

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LicenceCC BY

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.