Amylomaltase-treated Starch Fat Replacement
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Solution Overview
Problem
Current starch derivatives used as fat replacers in food products require high concentrations to achieve desired fat-mimicking properties, leading to increased costs and potential glue-like tastes, while still maintaining significant caloric value and saturated fatty acid intake.
Innovation Solution
Amylomaltase-treated starch is used at concentrations of 0.1-2.5 wt% to form discrete gel domains in food products, mimicking the behavior of fat globules and reducing calorie and saturated fatty acid intake by creating a creamy texture without the need for high starch levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If degraded starches are used as fat replacers, then fat-mimicking properties are achieved, but high concentrations (above 10% by weight) are required leading to increased costs and glue-like taste
Solution Approach 1:
The invention changes the molecular structure parameters of starch by using amylomaltase enzyme treatment to create cyclic glucosidic bonds, transforming ordinary starch into a product that forms gels at much lower concentrations (3-5% w/w) while maintaining fat-mimicking properties and avoiding glue-like taste
Solution Approach 2:
The invention creates a composite structure where amylomaltase-treated starch forms a unique gel network with particulate character that combines the fat-mimicking properties of degraded starches with the gel-forming capability of intact starch, allowing effective fat replacement at lower concentrations
2Reliability
If high concentrations of starch derivatives are used, then desired fat-mimicking texture is achieved, but caloric value remains considerable and saturated fatty acid intake is not sufficiently reduced
Solution Approach 1:
By modifying the starch molecular structure through amylomaltase treatment, the invention achieves effective fat-mimicking texture at lower concentrations, thereby reducing the total caloric contribution from the starch derivative itself while maintaining the desired creamy mouthfeel and texture
3Reliability
If chemically modified starch derivatives are used, then fat replacement functionality is improved, but unwanted chemical modification occurs
Solution Approach 1:
The invention replaces chemical modification methods with enzymatic modification using amylomaltase, which naturally occurs in the body and produces no unwanted chemical byproducts, while still achieving the desired gel-forming and fat-mimicking properties
Solution Approach 2:
The amylomaltase enzyme acts as a natural intermediary that catalyzes the formation of cyclic glucosidic bonds in starch, providing a biologically compatible modification pathway that avoids the harmful effects of chemical agents while achieving the required functional properties
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 use of amylomaltase-treated starch effectively replaces fat and cream in food products, enhancing creamy texture and reducing caloric and saturated fatty acid content, as demonstrated in dairy and soy-based products, without the drawbacks of high starch concentrations.
Implementation Method 1
Alpha 1-4, alpha 1-4 glucosyltransferase (amylomaltase or EC 2.4.1.25)... This enzyme does not degrade the starch, but reattaches the amylose onto the amylopectin
Implementation Method 2
The resulting product forms gels above 3% (w/w) solutions in water. These gels, although particulate in nature, have a texture normally connected to gums and other hydrocolloids
Implementation Method 3
The gels of amylomaltase-treated starch are thermoreversible at approximately 60°C
Data Source
AI summary
The present invention describes a food product comprising from 0.1 to 2.5 wt% of a starch which is treated with an amylomaltase.