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Published on: May 9, 2019
[Optimal extraction of Dingxiang jiangqi granules]
Li-Hong Zhang1, Yan Fu, Zhi-Rong Zhang
1Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 200032, China.
Summary
Optimized extraction of Dingxiangjiangqi granules using aqueous methods proved effective for treating rat esophagitis. The study identified simple, stable conditions for further development of this traditional Chinese medicine.
Area of Science:
- Traditional Chinese Medicine
- Pharmacology
- Natural Product Chemistry
Context:
- Dingxiangjiangqi granules are a traditional Chinese medicine formulation.
- Esophagitis is a common gastrointestinal condition.
- Optimizing extraction methods is crucial for ensuring the efficacy and consistency of herbal medicines.
Purpose:
- To screen and optimize the extraction process for Dingxiangjiangqi granules.
- To identify the most effective extraction route and conditions.
- To ensure the quality and therapeutic potential of the granules.
Summary:
- Pharmacodynamic experiments identified aqueous extraction as the most effective method for treating esophagitis in rats.
- Orthogonal design was used to optimize extraction conditions, with extract yield, naringin, and tetrahydropalmatine content as key indicators.
- The optimal extraction involved using 12 times the amount of water, with three extractions each lasting 0.5 hours.
Impact:
- The optimized extraction method is simple, reasonable, and stable, facilitating further research and development.
- This study provides a foundation for the standardization and potential commercialization of Dingxiangjiangqi granules.
- The findings contribute to the scientific validation of traditional Chinese medicine in treating inflammatory conditions like esophagitis.