期刊
FOOD CHEMISTRY
卷 438, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2023.137965
关键词
Egg yolk granules; Sodium alginate; Emulsion gel; Baking dough; Butter substitution
In this study, a double cross-linked egg yolk granules/sodium alginate emulsion gel was constructed and used as a substitute for butter. The results showed that the gel's network structure became more complete when the concentration of sodium alginate reached 1%. The gel exhibited enhanced water binding capacity and showed improved water retention capacity in dough.
In this study, double cross-linked egg yolk granules (EYGs)/sodium alginate (SA) emulsion gel was constructed and used as butter substitute. The water binding capacity, rheology properties and microstructure of EYGs/SA emulsion gel showed that the network structure tended to be complete when the concentration of SA reached 1% (m/v). SA stabilized the EYGs/SA droplets and enhanced the spatial network structure of emulsion gel. After substitution for butter, the network structure of EYGs/SA emulsion gel with more water bounded and the polyhydroxy structure of SA molecules endowed dough with more water retention capacity. Meanwhile, the destruction of the microstructure of the replaced dough with EYGs/SA emulsion gel was significantly inhibited compared with the un-substituted dough after freezing. The baking ability results showed a satisfactory baking effect after substitution. Overall, this study provides a new avenue in the field of fat replacement and the application of EYGs/SA emulsion gels.
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