4.7 Article

High-pressure homogenization modified chickpea protein: Rheological properties, thermal properties and microstructure

期刊

JOURNAL OF FOOD ENGINEERING
卷 335, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.jfoodeng.2022.111196

关键词

Particle size distribution; Protein solubility; Confocal microscope; Electron microscope scan

资金

  1. Postgraduate Research Ability Improvement Program BTBU
  2. National Natural Science Foundation of China [32172277]
  3. Beijing Excellent Talent Training Project [2017000020124G100]

向作者/读者索取更多资源

This study attempted to modify chickpea protein dispersion using high-pressure homogenization (HPH) and found that the modification improved the rheological properties, thermal properties, and microstructure of the protein.
Chickpea protein has the unique advantages of high yield and high bioavailability, and is used in the food in-dustry. The existing research on the modification of chickpea protein has been focused on chemical modification. In this study, high-pressure homogenization (HPH) (physical) modification was attempted to explore the effects of HPH modification on the rheological properties, thermal properties and microstructure of chickpea protein dispersion (CPD). The results demonstrated that when CPD was modified by 90 MPa pressure, the apparent viscosity was increased from 185.69 to 521.16 Pa s, the frequency dependence was the highest, the recovery rate was raised from 42.80% to 54.27% and the protein solubility was the best (0.448%). The D [3,2] of CPD was decreased from 11.43 to 0.677 mu m and the D [4,3] of CPD was reduced from 28.86 to 1.89 mu m after HPH modification. The denaturation temperature of the protein was 110.56 C at 150 MPa pressure. It was also found that with increasing pressure, the surface morphology of CPD was smoother and more regular after drying. The results demonstrated that the functional properties of chickpea protein were improved by HPH modification, which provided a potential strategy for the application of chickpea protein.

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