Content difference of astragloside Ⅳ among Radix Scutellariae from different sources and processings / 中成药

AIM: To review variety of astragloside Ⅳ in Radix Astragali of different sources and different processed products. METHODS: HPLC-ELSD was used to determine astragloside Ⅳ in Radix Astragli. RESULTS: The distinction of astragloside Ⅳ in Radix Astragali of different sources and different processed products was obvious. The astragloside Ⅳ content reduced after processing. CONCLUSION: Radix Astragli of Henan Province has the highest astragloside Ⅳ content. And it is suggested that crude medicine should be used when astragloside Ⅳ is used as therapeutic component.