Chocolate Probiotic Tablet Core Coating Stability
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Solution Overview
Problem
Existing probiotic food products face challenges in maintaining a high, stable, and vital bacterial load due to interactions with the food matrix and external storage conditions, leading to inefficacy and instability of probiotic bacteria, particularly in chocolate-based products where surrogates of cocoa and cocoa butter can be toxic to probiotics, and the compression process during tablet or pastille production results in high mortality rates of microorganisms.
Innovation Solution
A chocolate-flavored probiotic supplement in the form of comfits or dragees with a core of chocolate or imitation chocolate coated with a compatible lipid composition, specifically avoiding fatty acids and esters with 8, 10, and 12 carbon atoms, and incorporating probiotic strains like Lactobacillus and Bifidobacterium species, which are biocompatible and stable, along with a protective outer coating to prevent water migration and maintain bacterial vitality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If probiotic bacteria are added to chocolate-based food products, then the product becomes appealing and easy to administer to children, but the bacterial load decays rapidly over time due to interactions with the food matrix and storage conditions
Solution Approach 1:
The probiotic product is segmented into distinct functional layers: an inner core containing the probiotic bacteria embedded in a protective lipid matrix, and an outer coating layer providing additional protection and controlling water activity. This segmentation allows the bacteria to be isolated from harmful components while maintaining product appeal.
Solution Approach 2:
A biocompatible lipid matrix serves as an intermediary substance between the probiotic bacteria and the chocolate-based food matrix. This lipid layer acts as a protective barrier that prevents toxic interactions between cocoa derivatives and the bacteria, while still allowing the bacteria to remain viable and functional.
2Strength
If compression is applied during tablet or pastille production to create a stable form, then the product structure is improved, but the compression process results in high mortality rates of probiotic microorganisms
Solution Approach 1:
The probiotic bacteria are encapsulated within a flexible lipid matrix shell that can withstand compression forces. This thin film structure provides mechanical protection during tablet formation while remaining permeable enough to maintain bacterial viability. The lipid shell acts as a cushioning layer that distributes compression stress.
3Stability of the object's composition
If surrogates of cocoa and cocoa butter are used to maintain chocolate flavor and texture, then the product quality is maintained, but these substitutes can be toxic to probiotic bacteria
Solution Approach 1:
The biocompatible lipid matrix serves as an intermediary barrier between the probiotic bacteria and toxic cocoa derivatives. This intermediate layer selectively protects the bacteria from harmful substances while allowing beneficial chocolate flavors to permeate through to the consumer.
Solution Approach 2:
Different regions of the product have different quality requirements: the inner core provides a protected microenvironment with specific lipid composition suitable for bacterial survival, while the outer regions can contain traditional chocolate ingredients for flavor and texture. This local differentiation allows simultaneous achievement of bacterial viability and product quality.
4Ease of operation
If water content is increased to improve palatability and texture, then the product becomes more appealing, but water migration accelerates the decay of the bacterial load
Solution Approach 1:
The outer coating layer acts as a water barrier film that controls water activity and prevents excessive water migration into the inner core. This thin film structure maintains appropriate moisture levels for bacterial stability while allowing the product to retain appealing texture and palatability.
Solution Approach 2:
The product uses controlled water activity parameters rather than simple water content. By adjusting water activity through the outer coating and lipid matrix composition, the product maintains palatability while creating an environment that slows bacterial decay without requiring high water content.
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 ensures a high and stable probiotic load for an extended period, maintaining bacterial vitality and efficacy, even at room temperature, while being palatable and convenient for pediatric use, overcoming the limitations of traditional probiotic products in terms of stability and acceptance.
Implementation Method 1
coated with a compatible lipid composition... and a protective outer coating to prevent water migration and maintain bacterial vitality
Data Source
AI summary
The present invention refers to a food product. In particular, the present invention refers to a form of administration of a high and stable load of probiotic bacteria preferentially to persons of paediatric age. The present invention furthermore refers to a chocolate flavoured probiotic supplement, in particular to a probiotic tablet comprising an inner part, represented by a core of chocolate containing coated probiotic bacteria, and an outer part, represented by an outer coating. In particular, the present invention refers to a form of administration of a high and stable load of probiotic bacteria.