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[Study on preparation technology of limonene dropping pills]
Zhenxia Xu1, Ligui Gong, Aifeng Zhang
1Pharmaceutical College, Jinan University, Guangzhou.
Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials
|September 1, 2005
Summary
This study optimized limonene dropping pills using an orthogonal test. The findings provide crucial data for the large-scale manufacturing of these pharmaceutical preparations.
Area of Science:
- Pharmaceutical Technology
- Drug Delivery Systems
- Chemical Engineering
Background:
- Limonene is a valuable compound with various potential applications.
- Efficient and scalable methods for preparing limonene-based dosage forms are needed.
- Dropping pills offer a convenient method for oral drug administration.
Purpose of the Study:
- To investigate and optimize the technical preparation of limonene dropping pills.
- To establish optimal parameters for the manufacturing process.
Main Methods:
- Utilized an orthogonal experimental design to systematically optimize preparation variables.
- Investigated parameters including matrix composition (PEG4000:PEG6000 ratio), refrigerant type (liquid paraffin), limonene to matrix ratio, limonene temperature, burette dimensions, burette height, refrigerant temperature, and dropping rate.
Main Results:
- Identified optimal conditions: PEG4000:PEG6000 (1:1.5) matrix, liquid paraffin refrigerant, 1:6 limonene to matrix ratio, 70°C limonene temperature.
- Burette specifications: 2.0 mm internal diameter, 2.4 mm external diameter, positioned 4 cm above refrigerant.
- Optimal dropping parameters: 15°C refrigerant temperature, 45 drops per minute.
Conclusions:
- Successfully optimized the technical preparation of limonene dropping pills.
- The established parameters are suitable for scaling up the manufacturing process.
- Provides essential data for industrial-scale production of limonene dropping pills.