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    ZHANG Li-guo, BI Yan-jiu, NI Li-jun, FANG Cong-ying. Influence of Heat Extraction and Coupling PercolationAdsorption Technology at Room Temperature on the WaterSoluble Extract of Salvia mltiorrhiza Bge[J]. Journal of East China University of Science and Technology, 2011, (6): 735-738.
    Citation: ZHANG Li-guo, BI Yan-jiu, NI Li-jun, FANG Cong-ying. Influence of Heat Extraction and Coupling PercolationAdsorption Technology at Room Temperature on the WaterSoluble Extract of Salvia mltiorrhiza Bge[J]. Journal of East China University of Science and Technology, 2011, (6): 735-738.

    Influence of Heat Extraction and Coupling PercolationAdsorption Technology at Room Temperature on the WaterSoluble Extract of Salvia mltiorrhiza Bge

    • Salvia miltiorrhiza Bge was respectively extracted from the same batch of medicinal material by coupling percolationadsorption and heat extraction method, and the extracts were analyzed by HPLC to observe the influences of different extract methods and temperatures on the content of salvianolic acid B (Sal B), the extraction ratio of Sal B and the chromatography spectrum. The results indicated that there exists the highest content of Sal B in the extracts and few smallmolecular phenolic acid compounds when the coupling percolationadsorption technology was used, while the sort and content of smallmolecular phenolic acids increased with the extract temperature (from 60 ℃ to 100 ℃) if the heat extraction method was applied. The content and extraction ratio of Sal B decreased firstly and increased later with the rising of the extract temperature, and both of them reach the maximum at 100 ℃. It was suggested that the appropriate extraction method and process condition should be chosen according to requirements on quality and safety of the watersoluble extract and preparations of Salvia miltiorrhiza Bge.
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