Hydrophobic Cocoa Butter Coating for Probiotic Stability
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Solution Overview
Problem
Existing methods for protecting lyophilized probiotic bacteria are inefficient, as they often expose bacteria to stressful conditions, leading to reduced viability and stability during storage and passage through the acidic environment of the stomach.
Innovation Solution
A single, three-component hydrophobic layer made from cocoa butter and two saturated fatty acids (palmitic and stearic acid) is applied to freeze-dried lactic acid bacteria, providing enhanced resistance to moisture, temperature fluctuations, and acidic environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple protective layers are applied to protect probiotic bacteria, then protection against environmental factors is improved, but the complexity of the production process increases and bacteria are exposed to longer stressful conditions
Solution Approach 1:
The patent combines multiple protective functions into a single hydrophobic layer composed of cocoa butter and saturated fatty acids. This layer simultaneously provides protection against moisture, temperature fluctuations, and acidic environments, eliminating the need for multiple separate coating stages and reducing process complexity while maintaining comprehensive protection.
Solution Approach 2:
The hydrophobic layer serves multiple protective functions at once: it acts as a moisture barrier, thermal buffer, and acid-resistant coating. This multi-functional approach replaces what would traditionally require multiple specialized layers, simplifying the production process while ensuring reliable protection against various environmental stressors.
2Ease of manufacture
If aqueous solutions are used as protective layers, then ease of application is improved, but water activity increases leading to reduced bacterial viability
Solution Approach 1:
The patent changes the physical-chemical parameter of the protective layer from hydrophilic (aqueous) to hydrophobic (lipid-based). By using melted cocoa butter and saturated fatty acids that solidify into a water-repellent coating, the layer prevents water absorption while maintaining ease of application through simple spraying or coating methods, thus preserving bacterial viability.
Solution Approach 2:
The patent converts the potential harm of moisture (which kills bacteria) into a benefit by creating a hydrophobic barrier. The lipid-based coating repels water, preventing rehydration of the lyophilized bacteria and maintaining their dormant, viable state during storage and processing, while still allowing easy application.
3Reliability
If high-barrier packaging is used, then protection during storage is improved, but cost increases and protection during production stages is not provided
Solution Approach 1:
The patent applies protective action before the storage stage, during the production and processing phases. The hydrophobic coating is applied to the bacteria early in the process, providing continuous protection through manufacturing, packaging, and storage, thereby eliminating the need for expensive high-barrier packaging and reducing overall production costs.
Solution Approach 2:
The hydrophobic layer acts as an intermediary protective barrier between the bacteria and the external environment. This intermediate coating provides sufficient protection during storage and handling, making expensive high-barrier packaging unnecessary and reducing production costs while maintaining reliable protection.
4Reliability
If multiple coating stages are applied, then protection is improved, but exposure to temperature fluctuations and stressful conditions increases
Solution Approach 1:
The patent merges multiple protective functions into a single coating application stage. The hydrophobic layer provides comprehensive protection against moisture, temperature, and acid in one step, eliminating repeated heating, cooling, and drying cycles that would expose bacteria to prolonged stressful conditions.
Solution Approach 2:
The patent rushes through the coating process in a single stage rather than multiple sequential stages. The bacteria are coated once with the hydrophobic layer and quickly processed, minimizing the duration of exposure to temperature fluctuations and mechanical stress during manufacturing.
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 solution significantly increases the stability and viability of probiotic bacteria during storage and transit through the digestive system, as demonstrated by improved colony-forming ability and extended shelf life in long-term stability tests.
Implementation Method 1
a single, three-component hydrophobic layer made from cocoa butter and two saturated fatty acids
Implementation Method 2
providing enhanced resistance to moisture, temperature fluctuations
Data Source
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AI summary
The invention concerns particles containing lactic acid bacteria, covered with a single, three-component hydrophobic layer of plant origin, in which the hydrophobic layer consists of a mixture of cocoa butter NCB-HDO3-473 and two saturated Fatty acids, in which the content of cocoa Fat in the hydrophobic layer is in the range of 25-29% by weight. The invention also relates to a method For producing particles containing lacticacid bacteria, with a single particle size in the range of 0.18 mm - 1.0 mm, and the use of the particles.