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Isolation of Betulinic Acid, its Methyl Ester and Guaiane Sesquiterpenoids with Protein Tyrosine Phosphatase 1B Inhibitory Activity from the Roots of Saussurea lappa C.B.Clarke
Activity-guided fractionation of a MeOH extract of the roots of Saussurea lappa C.B.Clarke (Compositae), using an in vitro protein tyrosine phosphatase 1B (PTP1B) inhibition assay, led to the isolation of four active constituents: betulinic acid (1), betulinic acid methyl ester (2), mokko lactone (3...
| Autores principales: | , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Molecular Diversity Preservation International
2008
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6267619/ https://www.ncbi.nlm.nih.gov/pubmed/19136914 http://dx.doi.org/10.3390/molecules14010266 |