Identification of Salvia miltiorrhiza and its extracts from different origins by thermal analysis
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Last Update: 2014-09-30
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Source: Internet
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Author: User
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Recently, Zhao Haiyan, an infectious disease hospital in Panjin City, published a paper to identify Salvia miltiorrhiza and its extracts from different areas by thermal analysis It was pointed out that DSC was a simple, rapid, sensitive and accurate method for qualitative identification of Salvia miltiorrhiza and its extract This article was published in 2014, Volume 24, issue 03, China Health and nutrition Differential scanning calorimetry (DSC) was used to identify the original Salvia miltiorrhiza from Anhui and Shandong Province DSC range is 9mw; heating speed is 12 ℃ · min-1; temperature range is 20-400 ℃; atmosphere is air; reference material is Alfa alumina According to the atlas, comparative analysis was carried out There was an endothermic peak at about 52 ℃, an exothermic peak at about 304 ℃, and an exothermic peak at about 270 ℃ and 299 ℃ for ethanol and water extracts, respectively.
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