Low SFA Frozen Confection Coating Composition
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Solution Overview
Problem
Existing frozen confection coatings contain high levels of saturated fatty acids (SFAs), which are undesirable from a health perspective, and previous attempts to reduce SFA levels have compromised the coatings' textural properties such as snap and melting behavior.
Innovation Solution
A low SFA coating composition comprising 40-65 wt% of a fat blend of hard fat and high oleic liquid oil, with less than 25 wt% SFA, that crystallizes in two steps at -15°C, maintaining textural properties comparable to traditional coatings while reducing SFA content by up to 50%, using non-interesterified fats and oils without lauric fat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high proportions of lauric fats are used in compound coatings, then the coating achieves desired textural properties and setting time, but the SFA levels in the finished coating increase to 30-60%
Solution Approach 1:
The patent changes the chemical composition parameters of the fat blend by replacing lauric fats with a specific combination of non-lauric saturated fats and liquid oils. The fat blend comprises 20-40 wt% non-lauric saturated fat and 60-80 wt% liquid oil, creating a new parameter space that achieves comparable textural properties without relying on high SFA content from traditional lauric fats.
Solution Approach 2:
The patent creates a composite fat blend by combining multiple fat components with different properties: non-lauric saturated fats (for structural stability), liquid oils (for texture and mouthfeel), and optional emulsifiers. This composite approach allows the coating to achieve desired textural characteristics through synergistic interactions rather than relying on high proportions of a single lauric fat component.
2Object-generated harmful factors
If liquid oils are used to reduce SFA levels, then the SFA content decreases, but the viscosity of the coating increases which results in more coating in the finished product
Solution Approach 1:
The patent optimizes the viscosity parameter by carefully selecting and proportioning the liquid oil component (60-80 wt%) and adjusting processing conditions such as temperature and shear rate. This parameter optimization ensures that while SFA levels are reduced, the coating maintains appropriate flow characteristics to control pick-up weight and prevent excessive coating thickness.
3Object-generated harmful factors
If the fat content in coating is reduced to lower SFA, then the SFA quantity decreases, but the textural properties and coating integrity are compromised
Solution Approach 1:
The patent changes the compositional parameters of the fat phase by introducing a specific ratio of non-lauric saturated fat (20-40 wt%) to liquid oil (60-80 wt%). This parameter change maintains sufficient total fat content for textural integrity while reducing SFA quantity through the selection of non-lauric saturated fats and controlled use of liquid oils.
Solution Approach 2:
The patent develops a composite fat system that combines non-lauric saturated fats with liquid oils in specific proportions, creating a material that provides both structural integrity and reduced SFA content. The composite structure allows the coating to maintain textural properties through the interaction of different fat phases rather than relying on high SFA content alone.
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 achieves a significant reduction in SFA levels to as low as 14-15% while maintaining satisfactory textural properties, meeting requirements for dripping and setting time, pick-up weight, plastic viscosity, and yield value without causing coating breakage or bleeding.
Implementation Method 1
the fat blend crystallizes in a first and second crystallization step at a temperature of -15°C
Data Source
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AI summary
The invention relates to a composition for coating a frozen confection, the composition comprising, expressed in weight % based on the total weight of the coating, 30 to 80 wt% of fat, which comprises a fat blend of hard fat and liquid oil, and 20 to 70 wt% of non-fat solids, wherein, the coating composition comprises, less than 25 wt% of saturated fatty acid, 10-60 wt%, preferably 20-40% of monounsaturated fatty acid and less than 10%, preferably less than 5% of polyunsaturated fatty acid, and wherein, the saturated fatty acid comprises between 12-24C-atoms and the unsaturated fatty acid contains 18C-atoms or more than 18C-atoms. The invention also relates to a process of making this composition and a frozen confection at least partly coated with the composition.