Gluten-Free Rapeseed Protein Isolate via Ultrafiltration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Rapeseed protein isolates often contain gluten contaminants due to cross-contamination during processing, making them unsuitable for individuals with gluten-related disorders, and existing methods are inadequate in ensuring gluten-free status, particularly in cold-pressed rapeseed products.
Innovation Solution
A process to produce a gluten-free native rapeseed protein isolate with less than 10 ppm gliadin, involving separation of rapeseed seeds from gluten-containing contaminants, cold pressing, aqueous extraction, and ultrafiltration to concentrate the protein isolate while maintaining its native state and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If rapeseed seeds are processed using conventional methods without specific gluten removal steps, then the processing is simple and cost-effective, but the protein isolate contains gluten contaminants making it unsuitable for gluten-sensitive individuals
Solution Approach 1:
The processing is divided into distinct stages: initial separation of rapeseed seeds from contaminants, cold pressing to extract oil, aqueous extraction of protein from cake, and ultrafiltration to remove gluten. Each stage targets specific contaminants, progressively purifying the protein isolate to achieve gluten-free status while maintaining functional properties
Solution Approach 2:
Gluten-containing contaminants are removed early in the process during the initial separation stage, before oil extraction and protein isolation. This preliminary removal prevents gluten contamination throughout subsequent processing steps, ensuring the final protein isolate is gluten-free without requiring extensive post-processing
2Manufacturing precision
If conventional extraction methods are used, then the process is simple, but the protein isolate may contain anti-nutritional compounds and gluten
Solution Approach 1:
The patent employs selective extraction methods to remove specific unwanted components: cold pressing extracts oil while leaving protein in the cake, aqueous extraction isolates protein from the cake, and ultrafiltration removes gluten and anti-nutritional compounds. Each extraction step targets specific components, achieving high purity protein isolate through sequential removal of contaminants
Solution Approach 2:
The process utilizes changes in physical and chemical parameters to separate components: temperature control during cold pressing prevents protein denaturation, pH adjustment during aqueous extraction optimizes protein solubility, and molecular weight cutoff during ultrafiltration separates gluten from protein. These parameter changes enable selective separation while maintaining protein functionality
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The process effectively reduces gluten levels to ensure the rapeseed protein isolate is safe for individuals with gluten intolerance, maintaining high protein content and functional properties suitable for human nutrition applications.
Implementation Method 1
extracting the oilseed cake with an aqueous solution to obtain an aqueous solution comprising rapeseed protein
Implementation Method 2
concentrate the aqueous solution comprising the protein isolate using ultrafiltration
Data Source
AI summary
A gluten free native rapeseed protein isolate comprising <10 ppm gliadin and processes to obtain the gluten free native rapeseed protein isolate comprising <10 ppm gliadin.