Synergistic Effect and Mechanism of Rice Bran Wax and Sodium Stearyl Lactate on the Properties and Cookie Quality of Hydroxypropyl Methylcellulose Oleogels
Yan Zhu, Luyao Xiong, Suyuan Zhao, Wei Xu, Liwen Zhang, Mingming Zheng, Yibin Zhou, Shiyi Li
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引用次数: 0
Abstract
In this study the effect of rice bran wax (RBW) and sodium stearoyl lactate (SSL) on the structure, physical properties of hydroxypropyl methylcellulose (HPMC) oleogels and their performance in cookies were investigated. Both RBW and SSL significantly enhanced the thermal sensitivity, thixotropic recovery and shear viscosity of HPMC oleogels, especially at 4%–8% SSL. With the addition of RBW/SSL, a synergistic effect was observed, the number of crystals increased and the crystal structure became denser. RBW led to the presence of β' crystals, while SSL increased the number of α crystals in HPMC oleogels. Van der Waals interactions and electrostatic repulsion served to stabilize the network structure.
Practical Application: 4%–8% sodium stearoyl lactate improved the spread ratio, texture and overall acceptability of hydroxypropyl methylcellulose (HPMC) oleogel cookies to a level similar to shortening cookies. This study provides theoretical support for the quality improvement of HPMC based oleogel cookies.
期刊介绍:
The European Journal of Lipid Science and Technology is a peer-reviewed journal publishing original research articles, reviews, and other contributions on lipid related topics in food science and technology, biomedical science including clinical and pre-clinical research, nutrition, animal science, plant and microbial lipids, (bio)chemistry, oleochemistry, biotechnology, processing, physical chemistry, and analytics including lipidomics. A major focus of the journal is the synthesis of health related topics with applied aspects.
Following is a selection of subject areas which are of special interest to EJLST:
Animal and plant products for healthier foods including strategic feeding and transgenic crops
Authentication and analysis of foods for ensuring food quality and safety
Bioavailability of PUFA and other nutrients
Dietary lipids and minor compounds, their specific roles in food products and in nutrition
Food technology and processing for safer and healthier products
Functional foods and nutraceuticals
Lipidomics
Lipid structuring and formulations
Oleochemistry, lipid-derived polymers and biomaterials
Processes using lipid-modifying enzymes
The scope is not restricted to these areas. Submissions on topics at the interface of basic research and applications are strongly encouraged. The journal is the official organ the European Federation for the Science and Technology of Lipids (Euro Fed Lipid).