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Isolation of Symlandine from the Roots of Common Comfrey ( Symphytum officinale ) Using Countercurrent Chromatography

✍ Scribed by Kim, Nam-Cheol; Oberlies, Nicholas H.; Brine, Dolores R.; Handy, Robert W.; Wani, Mansukh C.; Wall, Monroe E.


Book ID
125332225
Publisher
American Chemical Society
Year
2001
Tongue
English
Weight
40 KB
Volume
64
Category
Article
ISSN
0163-3864

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## Abstract In order to provide the chemical markers for the quality control of herbal medicines, four diterpenoids, pseudolaric acids A and B (PAA and PAB), and their glucosides were isolated from the methanol extract of the Chinese herb __Pseudolarix kaempferi__ using high‐speed counter‐current c