Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China

Straw return can improve rice eating quality by modifying starch formation from long-term field trials, whereas the relevant mechanisms are still unknown. A long-term field experiment, including straw removal (CK), straw burning return (SBR), and straw return (SR) was conducted to investigate the st...

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Main Authors: Shiqi Yang, Liming Chen, Ruoyu Xiong, Jiliang Jiang, Youqing Liu, Xueming Tan, Taoju Liu, Yongjun Zeng, Xiaohua Pan, Yanhua Zeng
Format: Article
Language:English
Published: Elsevier 2023-12-01
Series:Food Chemistry: X
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S259015752300408X
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author Shiqi Yang
Liming Chen
Ruoyu Xiong
Jiliang Jiang
Youqing Liu
Xueming Tan
Taoju Liu
Yongjun Zeng
Xiaohua Pan
Yanhua Zeng
author_facet Shiqi Yang
Liming Chen
Ruoyu Xiong
Jiliang Jiang
Youqing Liu
Xueming Tan
Taoju Liu
Yongjun Zeng
Xiaohua Pan
Yanhua Zeng
author_sort Shiqi Yang
collection DOAJ
description Straw return can improve rice eating quality by modifying starch formation from long-term field trials, whereas the relevant mechanisms are still unknown. A long-term field experiment, including straw removal (CK), straw burning return (SBR), and straw return (SR) was conducted to investigate the starch structure, physicochemical properties, and cooked rice textures of indica early- and late-rice. Compared with CK, SBR and SR enhanced relative crystallinity, amylopectin long chains in both rice seasons, and gelatinization temperatures in late rice. Compared to SBR, SR decreased protein content and amylopectin short chains but increased starch branching degree, breakdown, and stickiness, ultimately contributing to improved starch thermal and pasting properties. Meanwhile, SR decreased hardness, cohesiveness, and chewiness, resulting in cooked texture meliorated, which was mainly attributed to amylopectin chain length and starch granule size. The results suggest that SR increased cooked texture of indica rice by altering starch structural and physicochemical properties.
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spelling doaj.art-5b01b212896a497bbe82ff226c1f0a532023-12-21T07:36:45ZengElsevierFood Chemistry: X2590-15752023-12-0120100965Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South ChinaShiqi Yang0Liming Chen1Ruoyu Xiong2Jiliang Jiang3Youqing Liu4Xueming Tan5Taoju Liu6Yongjun Zeng7Xiaohua Pan8Yanhua Zeng9Ministry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, China; Jiangxi Key Laboratory of Plant Resources and Biodiversity, Jingdezhen University, 3 Fuliang Avenue, Jingdezhen 333400, Jiangxi, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, ChinaMinistry of Education and Jiangxi Key Laboratory of Crop Physiology, Ecology, and Genetic Breeding, Jiangxi Agricultural University, Nanchang 330045, China; Corresponding author.Straw return can improve rice eating quality by modifying starch formation from long-term field trials, whereas the relevant mechanisms are still unknown. A long-term field experiment, including straw removal (CK), straw burning return (SBR), and straw return (SR) was conducted to investigate the starch structure, physicochemical properties, and cooked rice textures of indica early- and late-rice. Compared with CK, SBR and SR enhanced relative crystallinity, amylopectin long chains in both rice seasons, and gelatinization temperatures in late rice. Compared to SBR, SR decreased protein content and amylopectin short chains but increased starch branching degree, breakdown, and stickiness, ultimately contributing to improved starch thermal and pasting properties. Meanwhile, SR decreased hardness, cohesiveness, and chewiness, resulting in cooked texture meliorated, which was mainly attributed to amylopectin chain length and starch granule size. The results suggest that SR increased cooked texture of indica rice by altering starch structural and physicochemical properties.http://www.sciencedirect.com/science/article/pii/S259015752300408XStraw returningDouble-season indica riceStarch fine structureStarch physicochemical propertiesTextural propertiesLong-term field experiment
spellingShingle Shiqi Yang
Liming Chen
Ruoyu Xiong
Jiliang Jiang
Youqing Liu
Xueming Tan
Taoju Liu
Yongjun Zeng
Xiaohua Pan
Yanhua Zeng
Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China
Food Chemistry: X
Straw returning
Double-season indica rice
Starch fine structure
Starch physicochemical properties
Textural properties
Long-term field experiment
title Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China
title_full Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China
title_fullStr Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China
title_full_unstemmed Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China
title_short Long-term straw return improves cooked indica rice texture by altering starch structural, physicochemical properties in South China
title_sort long term straw return improves cooked indica rice texture by altering starch structural physicochemical properties in south china
topic Straw returning
Double-season indica rice
Starch fine structure
Starch physicochemical properties
Textural properties
Long-term field experiment
url http://www.sciencedirect.com/science/article/pii/S259015752300408X
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