Identification of Salvia miltiorrhiza and its extracts from different origins by thermal analysis
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Last Update: 2014-08-19
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Source: Internet
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Author: User
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Recently, Gong Feng, Department of pharmacy, Pingyi County People's Hospital, Shandong Province, published a paper to analyze and identify two kinds of Salvia miltiorrhiza from different places by differential scanning calorimetry (DSC) The identification content includes: original medicinal powder, water extract and alcohol extract It was pointed out that the differential scanning calorimetry (DSC) method was one of the methods for the identification of Salvia miltiorrhiza and its extracts from different habitats, which had the advantages of micro sampling, no solvent, easy curve analysis, fast and simple The article was published in the first issue of China Health and nutrition in 2014 α - Al2O3 was used as the reference material, in the static and empty gas atmosphere, in the range of 8 MW differential scanning calorimetry (DSC), at the rate of 10 ℃ / min, in the temperature range of 25-400 ℃, according to the characteristics and peaks of the experiment, the comparison was made The peak shape of the differential scanning calorimetry (DSC) of the powder, water extract and alcohol extract of two kinds of Salvia miltiorrhiza was basically the same, but the exothermic peak temperature was slightly different.
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