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Updated: Jan 1, 2026

Mechanical Separation and Protein Solubilization of the Outer and Inner Perivitelline Sublayers from Hen's Eggs
Published on: January 27, 2021
Athermal forward osmosis process for the concentration of liquid egg white: Process performance and improved
Jianfei Pei1, Shiyu Pei1, Wenjing Wang1
1College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.
Abstract:
The concentrated liquid egg white (LEW) by dewatering process displays the remarkable advantages. However, the concentration process was hindered by the high viscosity and heat sensitivity of LEW. Forward osmosis (FO) as an emerging membrane technology to concentrate LEW was evaluated for the first time in this study. The effects of process conditions on FO flux, fouling control, and product quality were investigated. The LEW can be concentrated up to about 2.1 folds by a single FO process. Flux decline (up to 80%) occurred during the process which was attributed to membrane fouling and dilution of draw solution. However, the membrane fouling could be mitigated by higher cross-flow velocity and the flux could be recovered up to 100% by osmotic backwash. There was no significant leakage of draw solutes and loss of protein in LEW during FO process. The concentration of LEW resulted in a promoted products quality.
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