Desmodium Styracifolium Flavonoid Capsule Dissolution
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Solution Overview
Problem
Traditional Chinese medicines containing total flavonoids of Desmodium styracifolium face issues such as unclear effective components, inadequate quality control, low bioavailability, and poor dissolution rates, leading to ineffective treatment of urinary stones with significant side effects and toxicity.
Innovation Solution
A capsule formulation of total flavonoids of Desmodium styracifolium is developed using an alcohol extraction method followed by purification with macroporous resin, enhancing the dissolution rate and bioavailability, and utilizing a fluidized bed granulation process for improved stability and industrial scalability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional water-extraction and alcohol-precipitation method is used to prepare Desmodium Styracifolium extract, then the extraction process is simple and easy to implement, but the effective components are unclear and quality control is inadequate
Solution Approach 1:
The patent extracts only the flavonoid components from Desmodium Styracifolium using alcohol extraction followed by alcohol precipitation, separating the effective components from other plant constituents. This concentrates the active ingredients (hyperoside, rutin, quercetin) while removing impurities, thereby improving quality control standards while maintaining manufacturing simplicity
Solution Approach 2:
The patent applies different extraction conditions (alcohol concentration, temperature, time) to optimize the extraction of specific flavonoid components. By controlling local extraction parameters, the method achieves high purity flavonoid extract with standardized quality while keeping the process straightforward
2Ease of manufacture
If total flavonoids of Desmodium styracifolium are formulated as water-insoluble medicament, then the manufacturing process is simplified, but the dissolution rate is poor and bioavailability is low
Solution Approach 1:
The patent changes the physical and chemical parameters of the flavonoid extract by controlling alcohol concentration (60-80%), temperature (40-60°C), and extraction time to optimize dissolution properties. These parameter adjustments improve both dissolution rate and bioavailability while maintaining manufacturing simplicity
Solution Approach 2:
The patent creates a composite formulation by combining flavonoid extract with excipients that improve dissolution. The composite material maintains the water-insoluble nature of flavonoids while enhancing their dissolution rate and bioavailability through synergistic interactions with formulation components
3Ease of manufacture
If crude extract of Desmodium Styracifolium is used in traditional tablets, then the preparation method is traditional and well-established, but the dosage is excessive (6 times a day) and quality standard is inadequate
Solution Approach 1:
The patent extracts and concentrates only the effective flavonoid components from the crude extract, removing inactive bulk material. This concentration increases the potency of each dose, allowing reduced dosage frequency (from 6 times to fewer administrations per day) while maintaining therapeutic efficacy
Solution Approach 2:
The patent applies standardized extraction parameters to ensure consistent quality and concentration of active ingredients in each batch. This standardization enables precise dosing with fewer tablets per day while maintaining adequate quality control, reducing the excessive dosage requirement of traditional preparations
4Ease of manufacture
If conventional granulation process is used for total flavonoids of Desmodium styracifolium, then the manufacturing process is simple, but the product quality stability is poor and dissolution is slow
Solution Approach 1:
The patent optimizes granulation parameters including binder concentration, granulation time, temperature, and moisture content to improve product stability and dissolution. By carefully controlling these parameters, the method achieves stable product quality and enhanced dissolution while keeping the granulation process simple and manufacturable
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 capsule achieves a high dissolution rate, remarkable clinical efficacy for urinary stones, reduced side effects, and stable quality, making it suitable for large-scale industrial production and modern clinical standards.
Implementation Method 1
heating and refluxing a raw material of Desmodium Styracifolium with ethanol, so as to obtain an extracting solution of Desmodium Styracifolium
Implementation Method 2
subjecting the extracting solution of Desmodium Styracifolium to adsorption onto a macroporous resin column, so as to obtain the alcohol extract of Desmodium Styracifolium
Implementation Method 3
utilizing a fluidized bed granulation process for improved stability and industrial scalability
Data Source
AI summary
A capsule containing total flavonoids of Desmodium styracifolium, a method for preparing the same and a use of the capsule containing total flavonoids of Desmodium styracifolium are provided. Specifically, the capsule includes total flavonoids of Desmodium Styracifolium provided in a form of alcohol extract of Desmodium Styracifolium and a pharmaceutically acceptable excipient.