Chocolate Fat Composition for Bloom and Graining Suppression
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Solution Overview
Problem
Existing oils and fats with low trans fatty acid content used in soft chocolate can cause blooming and graining phenomena, and those with high saturated fatty acids affect melting texture negatively.
Innovation Solution
An oil and/or fat composition with specific ranges of saturated fatty acids, CN38 to CN46 triglycerides, SO2 triglycerides, and S2O triglycerides, along with controlled solid fat content, is used to suppress blooming and graining in chocolate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If oil and/or fat with low trans fatty acid content is used for soft chocolate, then health risk is reduced, but blooming and graining phenomena occur
Solution Approach 1:
The invention changes the chemical composition parameters of the oil and/or fat by specifying precise ranges for saturated fatty acids (20-60 wt%), monounsaturated fatty acids (35-58 wt%), and polyunsaturated fatty acids (5-20 wt%), along with specific triglyceride compositions (CN38-CN46: 40% or less, SO2: 40% or less, S2O: 10-40%). This parameter optimization resolves the contradiction by achieving both low trans fatty acid content (5 wt% or less) and improved bloom resistance through controlled crystallization behavior.
Solution Approach 2:
The invention creates a composite oil and/or fat composition that combines multiple fatty acid types and triglyceride structures in specific proportions. This composite approach integrates saturated fatty acids for stability, monounsaturated fatty acids for texture, and controlled triglyceride mixtures for crystal properties, thereby simultaneously achieving health benefits and preventing blooming/graining phenomena.
2Reliability
If oil and/or fat with high saturated fatty acid content is used to improve crystal properties, then bloom resistance improves, but melting texture deteriorates
Solution Approach 1:
The invention optimizes the balance between saturated fatty acids (20-60 wt%) and monounsaturated fatty acids (35-58 wt%) to achieve the desired contradiction resolution. The specific triglyceride composition (particularly S2O at 10-40 wt%) further fine-tunes the melting properties while maintaining crystal stability, ensuring both bloom resistance and desirable melting texture are achieved simultaneously.
Data Source
AI summary
[Problem] To provide an oil/fat that suppresses the occurrence of blooming and/or graining in chocolate products. To provide an oil/fat that suppresses the occurrence of blooming and/or graining particularly in soft chocolate products. To provide an oil/fat that suppresses the occurrence of blooming in chocolate products without adversely affecting the meltability in the mouth. [Solution] This oil/fat for chocolate products satisfies all of the following requirements (a) to (e). (a) The content of trans fatty acids in the total amount of all of constituent fatty acids is 5 wt% or less; (b) the content of saturated fatty acids each having a chain length of 16 or more carbon atoms in the total amount of all of constituent fatty acids is 20-60 wt%; (c) the content of CN38-CN46 triglycerides in the total amount of all of triglycerides is 40 wt% or less; (d) the content of SO2 triglycerides in the total amount of all of triglycerides is 40 wt% or less; and (e) the content of S2O triglycerides in the total amount of all of triglycerides is 10-40 wt%. Herein, the term "CN38-CN46 triglyceride" refers to a triglyceride in which the total number of carbon atoms in constituent fatty acids for the triglyceride in the oil/fat is 38-46, the term "SO2 triglyceride" refers to a triglyceride in which one S (wherein "S" refers to a saturated fatty acid having 16-20 carbon atoms, the same applies hereinafter) molecule and two O (wherein "O" refers to oleic acid, the same applies hereinafter) molecules are bound, and the term "S2O triglyceride" refers to a triglyceride in which two S molecules and one O molecule are bound.