Dusting Flour Mix Composition for Fried Coating Adherence
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Solution Overview
Problem
Fried foods face issues with coating adherence and texture retention, as the coating often falls off or loses crispness over time due to moisture transfer and shrinkage of food ingredients during cooking and storage.
Innovation Solution
A dusting flour mix containing inulin, oil-and-fat-modified starch, and egg white powder is applied to food ingredients before coating, ensuring good adherence and maintaining a crisp texture even after cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a dusting flour is used to improve adhesion between food ingredients and coating material, then the coating adherence is improved, but the crispy texture is lost due to moisture transfer
Solution Approach 1:
The dusting flour is formulated as a composite material containing inulin (1-50 mass%), oil-and-fat-modified starch (30-90 mass%), and egg white powder (1-30 mass%). This composite structure combines multiple functional components: inulin provides adhesion enhancement, oil-and-fat-modified starch provides water resistance and texture maintenance, and egg white powder provides binding properties. The synergistic effect of these components resolves the contradiction by achieving both good coating adherence and sustained crispy texture.
Solution Approach 2:
The invention changes the chemical composition parameters of the dusting flour by incorporating specific ratios of inulin, oil-and-fat-modified starch, and egg white powder. This parameter optimization allows the dusting flour to simultaneously improve adhesion (through inulin and egg white) and maintain texture stability (through oil-and-fat-modified starch that resists moisture transfer), thereby resolving the technical contradiction.
2Stability of the object's composition
If coating material is adhered to food ingredients, then the coating provides crispy texture initially, but moisture transfer causes loss of crispness over time
Solution Approach 1:
The dusting flour acts as an intermediary layer between the food ingredient and the coating material. Specifically, the oil-and-fat-modified starch in the dusting flour creates a moisture barrier that prevents water from the food ingredient from transferring to the coating material. This intermediary function maintains the coating's crispy texture over time by blocking the moisture transfer pathway, thereby improving texture retention reliability.
Solution Approach 2:
The composite dusting flour formulation with its specific combination of inulin, oil-and-fat-modified starch, and egg white powder creates a multi-functional barrier layer. This composite structure simultaneously provides adhesion, moisture resistance, and texture maintenance, ensuring reliable crispy texture retention during storage and transport.
3Strength
If food ingredients are heated without direct contact with frying oil due to coating, then the food remains juicy, but the coating may fall off during cooking
Solution Approach 1:
The dusting flour is applied to the food ingredient surface before the coating material is applied. This preliminary action creates a prepared surface that enhances subsequent coating adhesion. The inulin and egg white powder in the dusting flour form a binding layer that anchors the coating material more securely to the food ingredient, preventing coating detachment during the heating process while maintaining the protective barrier that keeps the food juicy.
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 remains adhered and maintains a favorable crisp texture over time, preventing degradation and ensuring a desirable appearance and texture in fried foods.
Implementation Method 1
improve the adhesion between the food ingredients and a coating material
Implementation Method 2
adhering a dusting flour containing inulin, an oil-and-fat-modified starch, and egg white powder to the food ingredient
Implementation Method 3
a coating formed from the coating material to make it juicy, while moisture in the coating due to frying oil is evaporated to obtain the coating having a crispy and dry texture
Implementation Method 4
moisture in the coating due to frying oil is evaporated to obtain the coating having a crispy and dry texture
Data Source
AI summary
Provided are a fried food that has good adherence between a food ingredient and a coating material and has a favorable coating texture even after elapse of time after cooking, a dusting flour mix for fried food comprising inulin, an oil-and-fat-modified starch, and egg white powder, and a method for producing fried food includes adhering a coating material to a food ingredient having the dusting flour mix for fried food adhering thereto, and then frying the resulting ingredient.