Novel electromagnetic separation technology for the production of pea protein concentrate

文献类型： 外文期刊

第一作者： Zhu, Hong-Guang

作者： Zhu, Hong-Guang;Tang, Han-Qi;Cheng, Yong-Qiang;Li, Zai-Gui;Tong, Li-Tao;Zhu, Hong-Guang;Tang, Han-Qi;Cheng, Yong-Qiang;Li, Zai-Gui

作者机构：

关键词： Dry separation; Electrostatic separation; Lorentz force; Magnetic field; Pea protein (Pisum sativum L; )

期刊名称：INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES （ 影响因子：5.916； 五年影响因子：6.159 ）

ISSN： 1466-8564

年卷期： 2021 年 70 卷

页码：

收录情况： SCI

摘要： Use of plant protein is of growing interest to address consumer demands and sustainability of future food supply. In this study, Lorentz force-assisted charge carrier separation enhancement strategy was employed to separate pea protein (Pisum sativum L.). The magnetic field is generated by parallel magnets, 20 cm long, 10 cm wide and 10 cm apart, and perpendicular to the electric field formed between parallel electrodes. The charged particles would cut the magnetic induction lines during the movement and were subjected to a Lorentz force towards the negative electrode, which improves the highest purity and yield of the protein concentrate by 3.6% (db) and 1.8% respectively, over exclusively triboelectric separation. After the ultrafine milling, air pre-classification and optimized electromagnetic separation, the purity of the resulting pea protein concentrate was increased from 27.8 +/- 0.6% to 72.1 +/- 0.8% (db) with a yield of 9.2 +/- 1.2%. This study pointed out the value of magnetic field used as an auxiliary means in the electrostatic separation.

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