Low Saturated Fat Coating for Frozen Confection Moisture Barrier
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Solution Overview
Problem
Existing frozen confection coatings with high saturated fatty acid (SFA) levels provide effective moisture barrier properties but are harmful to health, and reducing SFA while maintaining barrier properties is challenging.
Innovation Solution
A low SFA barrier coating composition comprising a fat or fat blend with specific fatty acid and triglyceride profiles, along with a solid fat profile, that achieves at least 30% less SFA than traditional coatings, ensuring good processing characteristics and moisture barrier performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional high SFA fats (coconut oil, palm kernel oil) are used in coating, then moisture barrier property is improved, but health harm increases due to high saturated fat content
Solution Approach 1:
The patent changes the fatty acid composition parameters of the fat blend, specifically reducing saturated fatty acid content from traditional 30-60% SFA levels to a controlled range while adjusting the proportion of different fat components (coconut fat, palm kernel fat, palm olein, cocoa butter) to achieve both health goals and functional performance
Solution Approach 2:
The patent creates a composite fat blend combining multiple fat sources (coconut fat, palm kernel fat, palm olein, cocoa butter) with complementary properties, where each component contributes differently to the overall moisture barrier function while collectively reducing total saturated fat content compared to traditional single-source high SFA coatings
2Object-affected harmful factors
If SFA content is reduced in the coating, then health benefits are improved, but moisture barrier property deteriorates
Solution Approach 1:
The patent optimizes the SFA content parameter to a specific range (achieved through controlled fat blend composition) that balances health benefits with functional performance, and adjusts other parameters including unsaturated fat content and triglyceride composition to compensate for reduced SFA while maintaining barrier properties
Solution Approach 2:
The patent uses a multi-component fat blend where unsaturated fats (palm olein, cocoa butter) compensate for the reduced saturated fat content by providing alternative structural support and barrier function, creating a synergistic composite that maintains performance despite lower SFA levels
3Object-affected harmful factors
If high viscous coating is used, then saturated fat content can be reduced, but coating spreading and barrier properties are reduced
Solution Approach 1:
The patent adjusts the viscosity parameter of the coating by modifying the fat blend composition and proportions, ensuring the coating has appropriate flow characteristics for even application while maintaining reduced SFA content and effective barrier properties after setting
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 coating composition effectively maintains moisture barrier properties with reduced SFA levels, as demonstrated by heat-shock tests on wafer cones, preventing moisture migration and maintaining crispiness of baked products.
Implementation Method 1
The primary property of the fat attributed to its moisture barrier property is the solid fats in the fats creating a barrier property
Implementation Method 2
The crystallization of the fats in a coating are a key contributor to the physical properties of a coating, in particular its textural properties (brittleness, melting, waxiness) and setting time
Data Source
Figure 1
AI summary
The present invention relates to abarrier coating composition for coating frozen confection, comprising, expressed in weight % based on the total weight of the coating, 40-60 wt.% of a fat or fat blend, preferably 45-55 wt.%, said fat or fat blend comprising the following fatty acids: 45 <= C16:0 <= 55wt. %, 4 <= C18:0 <= 10 wt. %, 30 <= C18:1 <= 39wt. %, 3 <= C18:2<= 7 wt. % linoleic acid, and said fat blend comprising a solid fat profilecomprising:75% <= N 0 <= 95%;60% <= N 10 <= 90%; 30% <= N 20 <= 60%;18% <= N 25 <= 35%;0% <= N 30 <= 12%;and 0% <= N 35 <= 5%, and said barrier coating having yield stress of 0.90 to 1.65 Pa. The invention also relates to the use of such a fat or fat blend for barrier coatings, a method of preparing the coating composition and a wafer at least partly coated with the barrier coating.