Improvement of processable properties of plant-based high internal phase emulsions by mung bean protein isolate based on pH shift treatment

文献类型： 外文期刊

第一作者： Wen, Luming

作者： Wen, Luming;Dai, Hongmin;Li, Sha;Liang, Hongshan;Li, Bin;Li, Jing;Wen, Luming;Dai, Hongmin;Li, Sha;Liang, Hongshan;Li, Bin;Li, Jing;Wen, Luming;Li, Bin;Li, Jing

作者机构：

关键词： mung bean protein isolate; high internal phase emulsions; pH shift treatment; structural characteristics; physicochemical properties

期刊名称：JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE （ 影响因子：4.1； 五年影响因子：4.2 ）

ISSN： 0022-5142

年卷期： 2024 年

页码：

收录情况： SCI

摘要： BACKGROUND: High internal phase emulsions (HIPEs) are unique emulsion systems that transform liquid oil into solid-like fats, thus avoiding the use of saturated fat and leading to a healthier and more sustainable food system for consumers. HIPEs with oil volume fraction (phi) of 75-85% were fabricated with mung bean protein isolate (MPI) under different pH shift treatments at 1.0% concentration through the one-step method. In the present study, we investigated the physical properties, microstructures, processing properties, storage stability and rheological properties of HIPEs. RESULTS: The results suggested that the properties of MPI under different pH shift treatments were improved to different degrees, stabilizing HIPEs (phi = 75-85%) with various processability to meet food processing needs. Under alkali shift treatment conditions, the particle size of MPI was significantly reduced with better solubility. Moreover, the exposure of hydrophobic groups increased the surface hydrophobicity of MPI, awarding MPI better emulsifying properties, which could stabilize the HIPEs with higher oil phase fraction. In addition, the MPI under pH 12 shift treatment (MPI-12) had the best oil-carrying ability to form the stable HIPEs with oil volume fraction (phi) up to 85%, which was the highest oil phase in preparing the HIPEs using plant protein solely at a low concentration under neutral conditions. CONCLUSION: A series of stable HIPEs with different processing properties was simply and feasibly fabricated and these are of great potential in applying edible HIPEs. (c) 2024 Society of Chemical Industry.

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