Inulin-Cell Wall Particles for Controlled Digestion
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Solution Overview
Problem
Current high fiber vegetable products with inulin as a reserve carbohydrate do not provide sufficient health benefits, as they extract inulin from cell walls, leading to incomplete retention of cell walls and inefficient intestinal digestion, resulting in rapid passage and gas production.
Innovation Solution
A vegetable product with particle sizes ranging from 0.5 to 10 mm, comprising inulin and cell walls of pectin, hemicellulose, and cellulose, where inulin is retained within the cell walls, processed by wounding, treating with an antioxidant solution, and mechanical size reduction, to maintain cell integrity and slow digestion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If inulin is extracted from cell walls to produce purified inulin powder, then inulin purity is improved, but cell wall retention deteriorates
Solution Approach 1:
The invention extracts only the unwanted bitter components from the cell walls while leaving the inulin and cell wall structure intact. This selective extraction approach removes harmful substances without sacrificing the beneficial inulin-polysaccharide complex, thereby resolving the contradiction between purity and substance retention.
Solution Approach 2:
The invention changes the processing parameters from extreme extraction methods to mild treatment conditions (temperature, time, chemical concentration) that preserve cell wall integrity. By optimizing these parameters, the process achieves sufficient purification while maintaining the structural integrity of cell walls containing inulin.
2Productivity
If inulin is extracted from cell walls, then inulin availability is improved, but intestinal digestion speed increases causing rapid passage
Solution Approach 1:
The invention utilizes the composite structure of cell walls containing inulin, pectin, hemicellulose, and cellulose as an integrated functional unit. This composite material provides both inulin availability and controlled digestion properties, as the cell wall matrix modulates the release and fermentation of inulin in the intestine, preventing rapid passage while maintaining bioavailability.
3Quantity of substance
If inulin is extracted from cell walls, then inulin concentration is improved, but colonic butyrate production decreases
Solution Approach 1:
The invention selectively removes only bitter components while preserving the inulin and cell wall structure. This selective extraction maintains the substrates necessary for colonic fermentation and butyrate production, unlike complete extraction methods that remove all non-inulin materials and reduce fermentation capacity.
Solution Approach 2:
The invention preserves the composite nature of the cell wall matrix containing inulin, pectin, hemicellulose, and cellulose. This composite structure provides a diverse substrate mix for colonic bacteria, enhancing fermentation efficiency and butyrate production while maintaining high inulin concentration.
4Manufacturing precision
If inulin is extracted from cell walls, then inulin purity is improved, but gas production increases
Solution Approach 1:
The invention removes bitter components that may interfere with proper fermentation, while preserving the cell wall structure that controls gas-producing fermentation. The selective extraction eliminates substances that could cause excessive gas while maintaining the structural integrity needed for controlled digestion.
Solution Approach 2:
The invention maintains the composite cell wall structure that provides controlled fermentation characteristics. The cell wall matrix acts as a regulatory framework that modulates bacterial access to inulin, preventing uncontrolled fermentation and excessive gas production while still achieving high inulin purity.
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 product exhibits increased swelling, prolonged satiety, higher butyrate production, reduced gas generation, and superior health benefits by retaining inulin within cell walls, allowing for slower intestinal passage and enhanced colonic butyrate production.
Implementation Method 1
treating the vegetable matter with an aqueous solution comprising an antioxidant
Implementation Method 2
heating the vegetable matter to a temperature of 40 to 90° C.
Implementation Method 3
mechanically reducing the size of the vegetable matter
Data Source
AI summary
A vegetable product obtained from vegetable matter selected from at least one of root, tubers and leaves of a plant having inulin as a reserve carbohydrate, wherein the product includes particles having particle sizes in the range of 0.5 to 10 mm and including inulin and cell walls having pectin, hemi-cellulose and cellulose, wherein the inulin is contained within the cell walls, and the product is obtained by a process including the steps of:a) wounding the vegetable matter,b) treating the vegetable matter with an aqueous solution having an antioxidant and/or a textural support agent and heating the vegetable matter to a temperature of 40 to 90° C. andc) mechanically reducing the size of the vegetable matter and drying the vegetable matter to obtain the product.