Danshen (Salvia miltiorrhiza) is a well-known medicinal herb in the oriental medicine. The current study on bioactive triterpenoid in the root of S. miltiorrhiza led to the isolation of a new highly hydroxylated ursane-type triterpene, urs-12-ene-2α,3β,7β,16α-tetraol (1) and five known ones
The novel seco-ursane-type triterpenoid 3β,11α-dihydroxy-17,22-seco-17(28), 12-ursadien-22-oic acid (1) was isolated for the first time from a natural source from two Salvia species growing wild in Jordan, Salvia palaestina Benth. and Salvia syrica L. In addition to compound 1, S. syriaca afforded a
This paper focuses on the application of a two-level full factorial design to optimize the key derivatization step before the GC-FID and GC-MS analysis of pentacyclic triterpenes. The derivatization reaction was screened for influential factors and statistically significant parameters with a p value
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