Hard Crystalline Coating Composition for Crisp, Uniform Confectionery
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Solution Overview
Problem
Existing hard coating technologies using polyol-based syrups face challenges in achieving improved hardness, crispness, visual appearance, and uniformity while maintaining long-term storage stability, particularly due to the limitations of using gum arabic as a binder, which can lead to cracking and non-uniform coatings.
Innovation Solution
A mixture of chemically unmodified pregelatinized starch and a sweetening agent is used to enhance the crispness and whiteness of hard crystalline coatings, replacing gum arabic and potentially titanium dioxide, with specific proportions of the starch and sweetener to ensure optimal properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If gum arabic is used as a binder in polyol-based hard coating, then the coating can be formed and bound, but the coating exhibits cracking and non-uniform appearance with reduced crispness
Solution Approach 1:
The invention changes the chemical composition parameters of the coating binder system by replacing gum arabic with a specific mixture of chemically unmodified pregelatinized starch and polyol. This parameter change eliminates the cracking and non-uniformity issues associated with gum arabic while maintaining binding functionality. The starch-polyol mixture provides improved crispness and coating uniformity without requiring titanium dioxide for whitening.
Solution Approach 2:
The invention uses a composite material system consisting of chemically unmodified pregelatinized starch combined with polyol (such as maltitol, xylitol, or isomalt). This composite binder system combines the binding properties of starch with the crystallization and crispness properties of polyol, creating a superior coating material that outperforms gum arabic-based systems in terms of uniformity, crispness, and visual appearance.
2Illumination intensity
If gum arabic and titanium dioxide are used to achieve binding and whiteness, then the coating appears white and bound, but the coating loses crispness and develops cracking
Solution Approach 1:
The invention changes the composition parameters by eliminating titanium dioxide and gum arabic, and instead using a starch-polyol mixture that inherently provides both binding and whiteness. The chemically unmodified pregelatinized starch contributes to the white appearance and structural integrity, while the polyol provides crispness upon crystallization. This parameter change simultaneously improves whiteness, crispness, and eliminates cracking.
Solution Approach 2:
The invention extracts and removes the harmful components (gum arabic and titanium dioxide) from the coating system and replaces them with a healthier alternative (chemically unmodified starch-polyol mixture). This extraction eliminates the source of cracking and loss of crispness while maintaining or improving the whiteness and binding properties through the natural characteristics of the starch-polyol system.
3Productivity
If polyol-based syrup is used for hard coating, then the coating can be formed, but achieving improved hardness, crispness, and visual appearance while maintaining long-term storage stability is difficult
Solution Approach 1:
The invention uses a composite material system of chemically unmodified pregelatinized starch and polyol that provides both immediate coating formation efficiency and long-term storage stability. The starch component ensures proper syrup viscosity and coating adhesion during the coating process, while the polyol component provides crispness and structural stability during storage. This composite approach simultaneously achieves productivity and reliability.
Solution Approach 2:
The invention optimizes the parameters of the coating syrup by using chemically unmodified pregelatinized starch, which provides ideal viscosity and binding properties for efficient coating formation. The specific composition ratios and the use of unmodified starch ensure proper crystallization behavior and long-term storage stability, resolving the contradiction between coating efficiency and storage reliability.
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 solution results in a hard crystalline coating with enhanced crispness, improved whiteness, and uniform appearance, reducing cracking and ensuring long-term stability without the need for gum arabic, while maintaining the binding properties required for industrial-scale coating processes.
Implementation Method 1
The hard, crystalline coating is obtained by applying this syrup or suspension to the candy cores and evaporating the water they contain through drying with dry air, which causes crystallization.
Implementation Method 2
The hard, crystalline coating is obtained by applying this syrup or suspension to the candy cores and evaporating the water they contain through drying with dry air, which causes crystallization.
Data Source
AI summary
The invention relates to the use of a mixture of at least one sweetening agent and at least one chemically unmodified pregelatinized starch to improve the crispness of the hard crystalline coating of a coated product, said starch not having undergone any chemical modifications, said coating and said mixture comprising less than 1% by weight of gum arabic relative to the total dry weight of the coating or mixture, preferably said coating or mixture being free of gum arabic. The invention also relates to a coated confectionery product, a method for producing it, and a premixed composition.