Popcorn Kernel Flavoring via Alternating Adhesive and Salt Layers
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Solution Overview
Problem
Existing methods for flavoring unpopped popcorn kernels using fat or oil result in high flavorant waste and coating losses during popping, leading to reduced flavor retention and increased caloric content, while also requiring specific packaging and additional processing steps.
Innovation Solution
A method involving alternating layers of a mixture of water, adhesive, and powder salt, applied at controlled temperatures, which reduces waste and enhances flavor fixation, allowing for direct packaging in microwave bags without oil, and utilizing a pre-heating and alkaline treatment to improve adhesion and reduce salt loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If fat or oil is used as vehicle for flavorant, then flavorant application is simplified and expanded product is ready to be consumed, but packaging must be resistant for lipid contact and caloric charge increases
Solution Approach 1:
The patent extracts the fat/oil component from the flavoring system, replacing it with water-based adhesive and powder salt applications. This eliminates the need for lipid-resistant packaging while maintaining flavorant delivery functionality through direct powder coating on kernels
Solution Approach 2:
The patent changes the physical state and composition parameters of the flavoring medium from lipid-based (fat/oil) to water-based (adhesive solution), enabling use of standard packaging materials and reducing caloric content while preserving flavor delivery capability
2Ease of manufacture
If adhesive liquid and flavorant are applied to form coating layer, then kernels can be packaged directly without fat or oil, but coating losses occur during packaging and expansion phases
Solution Approach 1:
The patent segments the flavoring process into distinct alternating layers: adhesive liquid application, drying period, powder salt application, and another drying period. This segmented approach allows each layer to set properly, creating a more stable multi-layer coating that reduces losses during packaging and expansion
Solution Approach 2:
The patent incorporates preliminary drying periods between adhesive and powder salt applications, and maintains kernels at controlled temperatures (50-70°C) throughout the process. This preliminary action ensures proper adhesion and fixation before subsequent steps, reducing coating losses during later packaging and expansion phases
3Loss of substance
If powder salt is applied in alternating layers with water-adhesive mixture, then flavorant waste is reduced and application efficiency increases, but process complexity increases
Solution Approach 1:
The patent employs periodic action through alternating cycles of adhesive liquid application, controlled drying, powder salt application, and drying. This rhythmic, repeating process pattern ensures thorough and uniform coating while maintaining efficiency, as the periodic drying periods allow proper layer fixation without requiring complex equipment
4Loss of substance
If kernels are kept at temperature from 50°C to 70°C during flavoring, then powder salt fixation is improved and waste reduced, but energy consumption increases
Solution Approach 1:
The patent optimizes the temperature parameter to a specific range (50-70°C) that balances fixation efficiency with energy consumption. This moderate temperature range is sufficient to enhance powder salt adhesion and reduce waste without requiring excessive energy input, representing an optimized parameter setting that resolves the contradiction between fixation quality and energy use
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
Significantly reduces flavorant waste and coating losses, achieving a higher flavor retention and flavor intensity in the final product, with improved efficiency and simplicity in the flavoring process, allowing for direct microwave packaging without oil.
Implementation Method 1
a step for treating said kernels with an alkaline solution to increase the permeability of the hull of the kernels is carried out
Implementation Method 2
keeping the kernels at a temperature from 50°C to 70°C
Implementation Method 3
a mixture including water and an adhesive and powder salt layers
Data Source
AI summary
The method comprises the steps of: i) applying a portion of adhesive liquid on the unpopped kernels ; ii) after step i), applying a portion of flavorant on said kernels , keeping said kernels at a temperature from 50°C to 70°C, and the step of: iii) cyclically alternating steps i) and ii) until each of said steps is repeated at least two times while said kernels are kept at a temperature from 50°C to 70°C. The product is characterized in that said kernels comprise at least 4.5% by weight of flavorant with respect to the total weight of the unpopped kernel. It has been observed that the waste of flavorant is reduced very significantly, the application efficiency being very higher.