Cacao Fruit Ground Product for Anthocyanin and Procyanidin Retention
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Solution Overview
Problem
Cacao beans used in conventional chocolate production lose anthocyanins and procyanidins due to oxidation during fermentation and roasting, limiting the range of colors and functional ingredients in chocolate products.
Innovation Solution
Inhibit the activity of polyphenol oxidase enzymes in cacao fruits by treating them at an acidic pH and low temperature, followed by grinding and enzyme inactivation, to maintain high procyanidin content and vivid color tones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If cacao beans undergo conventional fermentation and roasting, then chocolate flavor is developed, but anthocyanins and procyanidins are lost due to oxidation
Solution Approach 1:
The patent applies preliminary action by treating cacao beans with an acid solution (pH 2.0-4.0) before fermentation and drying. This pre-treatment creates an acidic environment that prevents oxidation of anthocyanins and procyanidins during subsequent processing steps, thereby preserving these compounds while still allowing flavor development through controlled fermentation.
Solution Approach 2:
The patent changes the pH parameter of the processing environment from neutral (conventional) to acidic (pH 2.0-4.0). This parameter change fundamentally alters the chemical behavior during fermentation and drying, preventing oxidative degradation of phenolic compounds while maintaining the ability to develop chocolate flavor through enzymatic processes.
2Adaptability or versatility
If cacao beans are fermented and roasted traditionally, then aromatic flavor is produced, but color tones are limited to brown
Solution Approach 1:
By changing the pH parameter to acidic conditions (pH 2.0-4.0) and maintaining this throughout processing, the patent preserves anthocyanins which are pH-sensitive pigments. These compounds provide red, purple, and blue color tones that are otherwise lost in conventional neutral-pH processing, thereby expanding the color versatility of chocolate products.
Solution Approach 2:
The patent effectively copies or preserves the natural pigmentation properties of fresh cacao beans that are normally destroyed by conventional processing. By maintaining acidic conditions, the processing replicates the color characteristics of unfermented cacao, creating products with vibrant natural colors rather than the uniform brown of traditional chocolate.
3Reliability
If polyphenol oxidase activity is not inhibited, then natural fermentation occurs, but procyanidins are oxidized and degraded
Solution Approach 1:
The patent changes the chemical environment parameter (pH) to acidic conditions (pH 2.0-4.0), which selectively inhibits polyphenol oxidase enzyme activity. This parameter change stabilizes procyanidins against oxidation while still permitting other fermentation processes to proceed, achieving both stability and productivity.
Solution Approach 2:
The acid solution acts as an intermediary substance that mediates between the need for fermentation (enzymatic activity) and the need for procyanidin stability (oxidation prevention). The acidic environment selectively suppresses oxidative enzymes while allowing other beneficial fermentation processes to continue.
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 resulting cacao fruit ground product retains high levels of procyanidins and anthocyanins, providing a wide range of color tones and functional properties suitable for various food applications.
Implementation Method 1
Inhibit the activity of polyphenol oxidase enzymes in cacao fruits by treating them at an acidic pH
Implementation Method 2
followed by grinding and enzyme inactivation, to maintain high procyanidin content and vivid color tones
Implementation Method 3
enzyme inactivation, to maintain high procyanidin content
Data Source
AI summary
An object is to provide a novel food material that can effectively utilize characteristic color tones derived from anthocyanins, maintains a large amount of procyanidins, which are functional ingredients of cacao, and is applicable to a variety of foods. A cacao fruit ground product having a pH of 4.5 or lower and electroconductivity is provided. The color tone of the cacao fruit ground product is defined with an L* value of 29 or larger, an a* value of 18 or larger, and a b* value of 25 or smaller.