High-Purity Asiaticoside Extraction from Centella asiatica
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Solution Overview
Problem
Current methods for treating inflammatory bowel diseases and Helicobacter pylori infections have limitations, including adverse side effects and incomplete remission, and existing asiaticoside products lack high purity for effective pharmaceutical use.
Innovation Solution
A process to extract asiaticoside from Centella Asiatica with at least 99% purity, involving solvent treatment, extraction, distillation, and crystallization, to create a pharmaceutical composition for oral administration in treating inflammatory bowel diseases, Helicobacter pylori, and preventing gastric diseases and carcinoma.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional extraction methods are used to obtain asiaticoside from Centella asiatica, then the extraction process is simple and cost-effective, but the purity of asiaticoside is limited to 50-97% and not suitable for pharmaceutical use
Solution Approach 1:
The extraction process is divided into multiple sequential stages: initial extraction with organic solvent, filtration to remove solids, concentration of extract, and repeated crystallization cycles. Each stage isolates and purifies asiaticoside further, transforming a single-step crude extraction into a multi-stage purification sequence that achieves pharmaceutical-grade purity.
Solution Approach 2:
Asiaticoside is selectively extracted from Centella asiatica using organic solvents (ethyl acetate, n-butanol, or n-hexane), separating the target compound from plant matrix components. The extracted asiaticoside is then further purified through concentration and crystallization, taking the desired substance out from increasingly pure forms until pharmaceutical grade is achieved.
Solution Approach 3:
The purification process exploits changes in physical parameters including solvent polarity (progressing from ethyl acetate to n-butanol to n-hexane), temperature (heating during extraction, cooling during crystallization), and concentration (evaporation to obtain crystalline material). These parameter changes drive the progressive purification to 99%+ purity.
2Manufacturing precision
If existing asiaticoside products with 92.8-98% purity are used, then they are available as reference standards, but they are not suitable for pharmaceutical composition due to insufficient purity
Solution Approach 1:
The purification process employs continuous useful action through repeated crystallization cycles. After initial extraction and concentration, the asiaticoside undergoes multiple crystallization-purification cycles, each incrementally increasing purity. This continuous purification action transforms commercially available but impure material into pharmaceutical-grade pure asiaticoside suitable for drug formulation.
Solution Approach 2:
The process utilizes phase transitions of asiaticoside between dissolved and crystalline states. By controlling temperature and solvent conditions, asiaticoside transitions from dissolved in organic solvent to crystalline form during concentration and crystallization steps. This phase transition enables separation of pure crystals from mother liquor, achieving the required 99%+ purity for pharmaceutical use.
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-purity asiaticoside composition effectively manages inflammatory bowel diseases, eradicates Helicobacter pylori, and prevents gastric carcinoma with minimal side effects, offering a safer and more effective long-term treatment option.
Implementation Method 1
treating pulverized material of Centella asiatica with a first solvent to remove fatty substances, chlorophyll and other colorants
Implementation Method 2
extracting the treated pulverized material with an aliphatic alcohol having carbon atom ranging from C-1 to C-4 either alone or in combination with water to obtain an extract
Implementation Method 3
distilling the extract or the filtrate to obtain a paste
Implementation Method 4
passing the solution through adsorbent and eluting with an alcoholic solvent
Implementation Method 5
vacuum concentrating the solvent elute to obtain a powder of asiaticoside
Implementation Method 6
dissolving the powder in alcohol and crystallizing to obtain the asiaticoside of at least 99% purity
Data Source
AI summary
The present invention discloses a commercially viable asiaticoside composition having at least 99% purity that is derived from plant Centella asiatica and a manufacturing process thereof. The present invention further teaches a method and the models for oral administration of therapeutically effective amount of the asiaticoside models for oral administration of therapeutically effective amount of the asiaticoside composition for treatment of Inflammatory Bowel Diseases such as Ulcerative colitis, Crohn's disease and associated complications of inflammatory bowel diseases such as hemorrhoids, anal fissures, fistulas. The invention further provides a method and model for oral administration of therapeutically effective amount of the asiaticoside composition for treatment of Helicobacter Pylori. The invention further provides a method and the models for oral administration of therapeutically effective amount of the asiaticoside composition for prevention of colon cancer, gastric diseases and gastric carcinoma.