Activity of Chinese Danggui (DG), the processed root of Angelica sinensis (Oliv.) Diels, is linked to the ferulic acid content but the stability of ferulic acid during extraction for medicinal use is not known. The stabilities of ferulic acid and coniferyl acid were evaluated in the extracts of DG using a variety of extraction solvents.
- Angelica sinensis,
- ferulic acid,
- quality assessment
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