Legume Starch Gel Composition for Savory Food Stability
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Solution Overview
Problem
Existing gel compositions for savory food products face issues such as instability at varying salt concentrations, rapid gel formation during cooling, syneresis, and unsatisfactory texture, along with consumer perception concerns regarding polyols and gelling agent compatibility, leading to suboptimal health and nutritional profiles.
Innovation Solution
A gel composition comprising 44-65% water, 1-45% flavorings, and 10-41% salt, with 4-11% legume starch, specifically pea starch, that forms a stable gel without polyols or certain hydrocolloid polysaccharides, allowing easy dissolution in hot water and maintaining stability during storage and heating, while avoiding film burning and syneresis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If combinations of xanthan and galactomannans (locust bean gum, tara gum, guar gum, cassia gum) or konjac gum are used as gelling agents, then suitable gelling properties are achieved, but the gel loses strength as salt content is increased, requiring increased dosage of gelling agents
Solution Approach 1:
The patent changes the chemical composition parameters of the gelling agent system by replacing traditional xanthan/galactomannan combinations with a novel blend of modified starch and hydrocolloids (gellan gum, xanthan gum, or locust bean gum) in specific ratios. This parameter change enables the gel to maintain its strength across a wide salt concentration range (0-10% w/v) without requiring dosage adjustments
Solution Approach 2:
The patent employs composite gelling systems combining modified starch with hydrocolloid polysaccharides (gellan gum, xanthan gum, or locust bean gum) in optimized ratios. This composite approach creates synergistic interactions that provide both salt stability and consistent gel strength, resolving the contradiction between gel strength maintenance and adaptability to varying salt conditions
2Speed
If combinations of xanthan and galactomannans are used as gelling agents, then gelling properties are achieved, but the gel forms very quickly during cooling, leading to undesired texture for consumption
Solution Approach 1:
The patent introduces dynamic control over gel formation kinetics by utilizing the temperature-dependent gelation characteristics of gellan gum, xanthan gum, or locust bean gum in combination with modified starch. The gel formation speed and texture can be dynamically adjusted by controlling cooling rate, temperature profile, and ingredient ratios, allowing optimization for both processing efficiency and consumer texture preferences
3Temperature
If xanthan/locust bean gum products are used, then good melting properties on hot food are achieved, but they burn in direct contact with a hot pan and require dosing temperature above 50°C
Solution Approach 1:
The patent modifies the thermal stability parameters of the gelling system by using modified starch with controlled gelatinization temperature and combining it with hydrocolloids that have high thermal stability. This parameter optimization allows the composition to be dosed at lower temperatures (below 50°C) and prevents burning in direct contact with hot pans while maintaining good melting properties on hot food
4Ease of operation
If non-modified starches are used as gelling agents, then better consumer perception is achieved, but high concentrations are needed to form gel and they are prone to syneresis during shelf-life
Solution Approach 1:
The patent extracts and applies specific molecular modification techniques to starch while retaining the bulk natural starch structure that consumers recognize and accept. By introducing controlled modifications (such as cross-linking or surface treatment) only to the necessary functional groups, the patent achieves both consumer acceptance and improved shelf-life stability with reduced syneresis
Solution Approach 2:
The patent creates composite systems combining modified starch with hydrocolloid polysaccharides that complement each other's properties. The modified starch provides the natural appearance and consumer acceptance, while the hydrocolloid component enhances gel stability and reduces syneresis during shelf-life, achieving both goals simultaneously
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 composition provides a stable, easily dissolvable gel with high rupture strength, no syneresis, and improved consumer perception, maintaining texture and nutritional profile without polyols, and is suitable for various food products like bouillons and sauces.
Implementation Method 1
a gel composition comprising a legume starch
Implementation Method 2
allowing easy dissolution in hot water
Data Source
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AI summary
The invention relates to a composition in gel form for preparing a food product, to a process for preparing a food product, and to the use of the composition for preparing a food product. In particular, the invention relates to a gel composition comprising a legume starch for preparing savoury food products such as bouillons, condiments, seasonings, sauces, gravies, and soups.