High-Density Quercetin Roller Compaction Process
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Solution Overview
Problem
The manufacture of quercetin pharmaceutical dosage forms is hindered by its poor flowability and compressibility, leading to the need for high amounts of formulation excipients, increased production times, and poor bioavailability due to low water solubility.
Innovation Solution
A process involving roller compaction of quercetin to achieve high-density quercetin with improved flowability and compressibility, eliminating the need for additional excipients and enhancing manufacturing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If quercetin is used in its natural form for pharmaceutical dosage forms, then the dosage forms can be manufactured with high quercetin content, but the poor flowability and compressibility require high amounts of excipients (20-70 wt%)
Solution Approach 1:
The patent applies parameter changes by modifying the physical state and density of quercetin through roller compaction. The process transforms low-density quercetin powder into high-density compacted quercetin, changing parameters such as bulk density, particle morphology, and flow characteristics. This enables the quercetin to achieve good flowability and compressibility without requiring high amounts of excipients, thus resolving the contradiction between maintaining high quercetin content and ensuring manufacturability
2Device complexity
If conventional quercetin is used, then the formulation can be simple, but the poor flowability leads to increased production times and product losses
Solution Approach 1:
The patent applies preliminary action by performing roller compaction on quercetin before it is incorporated into the final dosage form formulation. This pre-treatment step modifies the quercetin properties (increasing density and improving flowability) in advance, so that subsequent manufacturing steps proceed more efficiently with reduced production times and minimal product losses, while the formulation itself remains relatively simple
3Ease of manufacture
If quercetin is used as is, then no additional processing is needed, but the low water solubility results in poor bioavailability
Solution Approach 1:
The patent applies parameter changes through roller compaction to modify the physical properties of quercetin, including particle density, surface area characteristics, and crystalline structure. These parameter changes improve the wetting properties and dissolution rate of quercetin, thereby enhancing its water solubility and bioavailability without requiring complex additional processing steps or formulation modifications
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 high-density quercetin exhibits excellent flow properties, reducing product losses and production times, allowing for the formulation of dosage forms with improved uniformity and solubility, and minimizing the use of excipients.
Implementation Method 1
roller compaction of quercetin to achieve high-density quercetin
Data Source
Figure 1~2
AI summary
The invention relates to a process for preparing high-density quercetin of improved flowability comprising roller compaction of quercetin, wherein both the obtained high-density quercetin and the quercetin starting material have a purity of at least 95%. The invention also relates to the high-density quercetin obtainable with such process, to the use of high-density quercetin for preparing pharmaceutical dosage forms, to pharmaceutical dosage forms comprising high-density quercetin as active ingredient, and to their use in therapy and in cosmetics.