Coated BHB Free Acid Crystals for Moisture-Stable Granules
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Solution Overview
Problem
BHB free acid crystals are prone to deliquesce and self-polymerize due to environmental moisture, affecting their stability and commercialization.
Innovation Solution
Coating BHB free acid crystals with a uniform film using Wurster coating to isolate them from moisture and prevent self-polymerization, maintaining stability and uniform particle size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If BHB free acid is used instead of BHB salts to reduce metal ion intake, then health safety is improved, but the crystals become deliquescent and unstable due to environmental moisture
Solution Approach 1:
A coating layer comprising hydroxypropyl methyl cellulose and titanium dioxide is applied to the BHB free acid crystals. This intermediary coating prevents direct contact between the crystals and environmental moisture, thereby maintaining crystal stability while preserving the low metal ion content benefit of using BHB free acid instead of salts.
Solution Approach 2:
A thin film coating is formed on the surface of the BHB free acid crystals through fluidized bed coating technology. This flexible protective shell isolates the deliquescent crystals from atmospheric moisture, preventing deliquescence and self-polymerization while maintaining the health benefits of avoiding metal ion intake.
2Ease of operation
If BHB free acid crystals are exposed to environmental moisture, then they are easily processed and handled, but they deliquesce and self-polymerize, losing their value
Solution Approach 1:
The coating layer acts as a protective intermediary that allows the crystals to be handled with normal precautions while preventing harmful interactions with environmental moisture during storage. The coating maintains crystal integrity without significantly complicating handling procedures.
Solution Approach 2:
The coating is applied in advance to prevent deliquescence and self-polymerization before they can occur. This preliminary protective action ensures that the crystals remain stable during storage and transport while maintaining ease of operation during processing.
3Reliability
If a coating is applied to BHB free acid crystals to prevent deliquescence, then storage stability is improved, but the process complexity increases
Solution Approach 1:
The coating process utilizes the natural fluidization and movement of crystals in a fluidized bed to achieve uniform coating distribution. The process is self-regulating, where the coating materials are automatically distributed and adhered to crystal surfaces through the fluidization dynamics, reducing the need for complex external coating mechanisms.
Solution Approach 2:
Fluidized bed coating technology uses pneumatic principles to suspend and move the BHB free acid crystals while applying the coating layer. This pneumatic approach simplifies the coating process compared to traditional mechanical coating methods, as it allows for uniform coating application through controlled air flow and pressure differential.
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 coated BHB free acid crystals maintain stability, prevent deliquescent issues, and enhance storage longevity, improving handling and packaging, while avoiding metal ion intake and sour taste.
Implementation Method 1
the surface of the BHB free acid pellets/granules is successfully coated with uniform film through Wurster coating, and the coated granules effectively prevent the BHB free acid crystals from deliquescing
Data Source
AI summary
Coated beta-hydroxybutyrate (BHB) free acid crystal pellets/granules are provided, which comprise BHB free acid crystal, fillers, and coating material. Methods for producing coated BHB free acid crystal pellets/granules are provided, which may include (a) wet granulation, (b) extrusion, (c) spheronization, and (d) coating, such as coating material spray embedding through Wurster bottom spray coating device.