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Structural characterization of glutaraldehyde crosslinked starch-based nanofibrous film and adsorption improvement for oyster peptide flavor

文献类型： 外文期刊

作者： Qing, Shiqin 1 ; Weng, Wuyin 1 ; Dai, Yaolin 1 ; Li, Ping 2 ; Ren, Zhongyang 1 ; Zhang, Yucang 1 ; Shi, Linfan 1 ; Li, Songnan 3 ;

作者机构： 1.Jimei Univ, Coll Ocean Food & Biol Engn, Xiamen 361021, Peoples R China

2.Minist Agr & Rural Affairs, Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangdong Key Lab Agr Prod Proc,Key Lab Funct Food, Guangzhou 510610, Peoples R China

3.Yangzhou Univ, Inst Agr Sci & Technol Dev, Joint Int Res Lab Agr & Agriprod Safety, Minist Educ China, Yangzhou 225009, Jiangsu, Peoples R China

关键词： Octenylsuccinylated starch; Electrospinning; Oyster peptide; Crosslinking; Hydrophobicity

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：7.7； 五年影响因子：7.7 ）

ISSN： 0141-8130

年卷期： 2024 年 277 卷

页码：

收录情况： SCI

摘要： The inferior hydrophobicity and mechanical properties of starch-based nanofibrous films significantly restrict their practical application. In view of this, this study prepared octenylsuccinylated starch-pullulan nanofibrous films using electrospinning and glutaraldehyde (GTA) gas-phase crosslinking. After GTA crosslinking, the starchbased nanofibrous films remained white, randomly oriented, smooth, and droplet-free. As the crosslinking time increased from 0 h to 24 h, the mean fibrous diameter augmented from 157.34 nm to 238.66 nm, and the water contact angle rose from 24.30 degrees to 52.49 degrees. Meanwhile, their tensile strength and thermal stability grew, and the mean pore area and elongation at break abated with changes in function groups. The crosslinked starch-based nanofibrous films exhibited an enhanced adsorption capacity for alcohols, ethers, esters, hydrocarbons, and Ncompounds of oyster peptides. Correlation analysis shows that the adsorption capacity of the starch-based nanofibrous films was positively correlated with mean fibrous diameter and water contact angle and negatively correlated with mean pore area. These results provide a theoretical basis for the practical application of crosslinked starch-based nanofibrous film materials in deodorization.

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