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Updated: Jun 7, 2026
10:18
Extraction of Lignin with High β-O-4 Content by Mild Ethanol Extraction and Its Effect on the Depolymerization Yield
Published on: January 7, 2019
[Quality standard of Sappan Lignum]
Yuping Chen1, Dan Bi, Pengfei Tu
1State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
Summary
This study establishes quality standards for Sappan Lignum using Thin Layer Chromatography (TLC) and High-Performance Liquid Chromatography (HPLC). Developed methods ensure accurate identification and quantification of key compounds, crucial for quality control.
Area of Science:
- Pharmacognosy
- Analytical Chemistry
- Natural Product Chemistry
Context:
- Sappan Lignum (Caesalpinia sappan) is a traditional medicinal plant with variable quality.
- Establishing reliable quality control methods is essential for its therapeutic use.
Purpose:
- To develop and validate Thin Layer Chromatography (TLC) and High-Performance Liquid Chromatography (HPLC) methods for Sappan Lignum quality standardization.
- To assess the variability in chemical constituents among different Sappan Lignum samples.
Summary:
- TLC method using a chloroform-acetone-formic acid mobile phase effectively separated Sappan Lignum components.
- HPLC assay demonstrated good linear correlation for Brazilin and (+/-) protosappanin B quantification with high accuracy and reproducibility.
- Significant variations in ethanol-soluble extractives and compound content were observed among 18 samples.
Impact:
- The validated TLC and HPLC methods provide a robust framework for the identification and quality control of Sappan Lignum.
- These methods ensure the consistency and efficacy of Sappan Lignum in pharmaceutical and traditional medicine applications.
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