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| Content Provider | Taylor & Francis Online |
|---|---|
| Author | Wang, Cuina Wang, Hao Guo, Mingruo Wang, Jiaqi Zhang, Xuefei |
| Abstract | This study aimed to investigate effects of amidated low methoxyl (ALM, 0.3%, w/v) pectin on physiochemical and structural properties of polymerized whey proteins (PWP, 10%, w/v) prepared by thermal aggregation at 85°C for 10–30 min. Particle size, zeta potential, isoelectric point (IEP), surface hydrophobicity, free sulphydryl group, rheological properties and the secondary structure of all samples were analysed. ALM pectin increased mean diameter and narrowed size distribution of PWP samples (p < 0.05) regardless of heating time. Addition of ALM pectin shifted the IEP of PWP‒pectin complex to lower pH, which decreased with heating time increased. ALM pectin decreased the surface hydrophobicity of PWP heated for 30 min pronouncedly. Whey protein (WP) complexed with ALM pectin showed decreased gelation time and rheological properties of improved elasticity. ALM pectin had no considerable effect on secondary structure of PWP. Data indicated that ALM pectin could alter physiochemical properties of heat-induced polymerized WPns. |
| Starting Page | 923 |
| Ending Page | 930 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| ISSN | 19476337 19476345 |
| DOI | 10.1080/19476337.2018.1508074 |
| Journal | CyTA - Journal of Food |
| Volume Number | 16 |
| Issue Number | 1 |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2018-11-13 |
| Access Restriction | Open |
| Subject Keyword | Whey protein Amidated low methoxyl pectin Physiochemical properties Structure Proteína de suero Pectina amidada de bajo metoxilo Propiedades fisicoquímicas Estructura |
| Content Type | Text |
| Resource Type | Article |
| Subject | Industrial and Manufacturing Engineering Chemistry Chemical Engineering Food Science |
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