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Effect of fatty acid chain length on physicochemical properties and structural characteristics of high-moisture meat analogues based on soy-hemp-wheat protein

文献类型: 外文期刊

作者: Sun, Mengyuan 1 ; Sun, Zhouliang 1 ; Wu, Xinghui 1 ; Li, Dan 2 ; Gao, Yang 3 ; Zheng, Huanyu 1 ;

作者机构: 1.Northeast Agr Univ, Dept Food Sci, Harbin 150030, Peoples R China

2.Heilongjiang Green Food Sci Res Inst, Dept Food Sci Res Inst, Harbin 150028, Peoples R China

3.Heilongjiang Acad Agr Sci, Dept Food Proc Inst, Harbin 150076, Peoples R China

关键词: Hemp protein; Fatty acids; High moisture extrusion; Physicochemical properties; Structural characteristics

期刊名称:FOOD CHEMISTRY ( 影响因子:9.8; 五年影响因子:9.7 )

ISSN: 0308-8146

年卷期: 2025 年 475 卷

页码:

收录情况: SCI

摘要: Lipids are a crucial factor affecting the quality of meat analogues (MAs). However, there have been no reports on the study of fatty acid (FA) chain length in MAs. Therefore, this study evaluated the effects of different chain length FAs (lauric acid, myristic acid, and stearic acid) on the quality and structure of soy protein isolate (SPI), hemp protein (HP), and wheat gluten (WG) extrudates through methods such as texture, LF-NMR, and SEM. Compared with the control group, as the FA chain length decreased, the hardness and chewiness gradually decreased, and the elasticity gradually increased, especially the lauric acid elasticity increased from 92.51 % to 96.87 %. Compared with the other two FAs, lauric acid enhanced the hydration ability of the extrudate and promoted the formation of intermolecular hydrogen bonds. Overall, the longer the FA chain length, the less it affects the texture and the greater its impact on the fiber structure.

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