Fibre-Containing Pectin Retention via Acid Swelling
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Solution Overview
Problem
Conventional methods for isolating pectin from plant materials often result in the dissolution of pectin, leading to the loss of valuable pectin products and inefficient processing, particularly when high-ester pectin is treated at acidic pH and elevated temperatures.
Innovation Solution
A method involving the use of an acidic aqueous solution without organic solvents or salts to swell plant materials, maintaining pectin within the plant structure by reducing divalent cations, thereby retaining pectin through increased internal bonding interactions, and subsequently isolating fibre-containing pectin products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If conventional acidic extraction methods are used to isolate pectin from plant materials, then pectin can be extracted from the plant material, but pectin dissolves and is lost during processing
Solution Approach 1:
The plant material is pre-treated with acid to reduce divalent cations and increase internal bonding interactions before extraction, which prevents pectin dissolution during subsequent processing steps
Solution Approach 2:
The method changes the chemical parameters of the plant material through acid treatment, modifying the bonding interactions within the plant structure to retain pectin while allowing efficient extraction of other components
2Productivity
If acidic solutions with salts or organic solvents are used to treat plant material, then extraction efficiency may improve, but pectin structure is disrupted and pectin is lost
Solution Approach 1:
The acid treatment is applied locally to the plant material structure to modify bonding interactions without disrupting the overall pectin-containing matrix, allowing selective retention of pectin while facilitating extraction of other components
Solution Approach 2:
The acid treatment, which could potentially harm pectin structure, is used to reduce divalent cations and strengthen internal bonding, thereby converting a potential harmful effect into a beneficial retention mechanism for pectin
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
This method effectively retains pectin within the plant material, allowing for the production of novel fibre-containing pectin products with enhanced properties, such as improved gel strength and viscosifying capabilities, and reduces the loss of pectin during processing.
Implementation Method 1
the plant material is allowed to swell in the acidic aqueous solution from 10 to 120 minutes and the plant material is substantially depleted from divalent cations during said swelling
Implementation Method 2
pectin, apart from being a structural element, also constitutes the 'concrete' imparting rigidity to the plant cells and adhesion function in the space between them. This complex structure in which pectin is attached to the other cell wall components by different types of bonds for instance hydrogen bonds and/or ionic interaction
Data Source
AI summary
The present invention relates to a method for providing a fibre-containing pectin product from a plant material. The method comprises the steps of: (i) providing a plant material comprising pectin, where said pectin is having a degree of esterification of 55% or less, (ii) adding an acidic aqueous solution to the pectin containing plant material obtained in step (i) and providing a suspension of the plant material, where the suspended plant material provides an in situ system by swelling the plant material under conditions where the pectin is kept within the plant material, and (iii) obtaining the fibre-containing pectin product from the suspension provided in step (ii), wherein the plant material is substantially depleted from divalent cations.