Heat-Resistant Chocolate via Sugar Network Structure
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Solution Overview
Problem
Conventional chocolate products melt or become sticky at temperatures above 33° C due to the melting of cocoa butter and other fats, posing challenges in hot climates and food processing.
Innovation Solution
A method involving a mixture of cocoa components, non-reducing sugars like sucrose, reducing sugars such as glucose, and water, heated to at least 90° C to evaporate part of the water, then cooled and agitated to develop a heat-resistant chocolate product that maintains its shape at elevated temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional chocolate production methods are used, then the chocolate product is easy to manufacture and has good taste, but the chocolate melts or becomes sticky at temperatures above 33° C
Solution Approach 1:
The patent changes the chemical composition parameters of the chocolate by incorporating specific sugar ratios (non-reducing sugar 40-70%, reducing sugar 30-60%) and controlling water content (5-20%), which fundamentally alters the thermal properties to achieve heat resistance above 33°C while maintaining manufacturability through a systematic preparation method
Solution Approach 2:
The patent creates a composite chocolate system combining cocoa components with specific ratios of non-reducing sugars (sucrose, trehalose), reducing sugars (glucose, fructose), and controlled water content, where the synergistic interaction between these components forms a heat-resistant network structure that prevents cocoa butter melting at elevated temperatures
2Temperature
If hydrogenation is applied to increase heat resistance, then the chocolate can withstand higher temperatures, but the chocolate taste and texture are adversely affected
Solution Approach 1:
The patent extracts and eliminates the hydrogenation process from the chocolate production method, instead achieving heat resistance through a different mechanism involving sugar network formation and controlled water content, thereby avoiding the harmful effects on taste and texture while still achieving the desired thermal stability
Solution Approach 2:
The patent introduces sugar compounds (non-reducing and reducing sugars) as intermediary substances that mediate between the cocoa butter and the external environment, forming a protective network structure that prevents direct contact and melting at high temperatures without altering the fundamental taste and texture properties
3Temperature
If sugar skeleton generation is used to increase melting point, then the chocolate becomes more heat resistant, but the process requires extended storage time of 20 to 30 days
Solution Approach 1:
The patent applies preliminary action by incorporating the sugar network-forming components and controlling water content during the initial mixing and heating stages, so that the heat-resistant structure begins to form early in the process rather than requiring extended post-production storage, thereby reducing the time loss while achieving the desired melting point increase
4Temperature
If water-in-oil emulsion is used to form heat-resistant chocolate, then the chocolate gains heat resistance, but the process complexity and additional ingredients are increased
Solution Approach 1:
The patent achieves multi-functionality by using sugar compounds that simultaneously serve multiple purposes: they form the heat-resistant network structure, provide the necessary sweetness, and interact with water to create the appropriate viscosity and texture, eliminating the need for separate water-in-oil emulsion systems and reducing overall process complexity
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 method produces a heat-resistant chocolate product that retains its shape at 40° C for 30 minutes, with enhanced taste and processability, and a sugar network structure that prevents cocoa butter release at high temperatures.
Implementation Method 1
heating the pre-mixture at a temperature of at least 90° C., preferably of at least 100° C., and/or heating said pre-mixture at a temperature sufficiently high to effect evaporation of at least part of the water in the pre-mixture
Implementation Method 2
the development of heat resistance is believed to be associated with the development of a structure of sugar and water which entraps the cocoa butter and/or chocolate compatible fat, thereby avoiding or limiting its release at elevated temperatures
Data Source
AI summary
The invention relates to a method for preparing a chocolate product, the process comprising: (a) providing a mixture, said mixture comprising: (i) one or more cocoa components; (ii) a non-reducing sugar; (iii) one or more reducing sugars; and (iv) water; and (b) mechanically agitating the mixture at a temperature at which the mixture is in a liquid state. The invention further relates to a chocolate product comprising: (I) one or more cocoa components; (II) a non-reducing sugar; (III) one or more reducing sugars; and (IV) water wherein said chocolate product comprises between 4 and 20 wt. % of water with respect to the weight of the chocolate product, preferably between 6 and 15 wt. % of water with respect to the weight of the chocolate product.