Isolation of potato proteins using simulated moving bed technology.

Area of Science:

• Biochemical Engineering
• Separation Science
• Food Processing

Background:

• Potato juice is a byproduct of starch production, rich in valuable proteins.
• Traditional protein recovery methods can be water-intensive and less efficient.
• Chromatographic techniques offer potential for selective and efficient separation.

Purpose of the Study:

• To apply simulated moving bed (SMB) chromatography for protein harvesting from potato juice.
• To optimize process strategies for efficient protein recovery.
• To evaluate the feasibility of using SMB chromatography as a bulk product capture step.

Main Methods:

• Utilized simulated moving bed (SMB) chromatography.
• Treated potato juice from starch production.
• Implemented a process strategy involving adsorption, elution, and column reconditioning.
• Analyzed protein recovery efficiency and water usage.

Main Results:

• Achieved up to 80% protein recovery from potato juice.
• Demonstrated a process requiring minimal additional water.
• Successfully utilized the flow-through for column reconditioning after elution.
• Validated chromatography as an effective capturing step for bulk products.

Conclusions:

• Simulated moving bed (SMB) chromatography is a highly efficient method for protein recovery from potato juice.
• The developed SMB process offers a sustainable and water-saving approach to protein harvesting.
• This study presents a novel application of chromatography for capturing bulk products in industrial processes.