In vitro: |
J Asian Nat Prod Res. 2016;18(1):59-64. | Two new glycosides from Dryopteris fragrans with anti-inflammatory activities.[Pubmed: 26700189] | METHODS AND RESULTS:
Phytochemical investigation on the aqueous extract from Dryopteris fragrans led to the isolation of one new chromone glycoside, frachromone C (1), and one new coumarin glycoside, dryofracoulin A (2), together with one known undulatoside A (3). Their structures were elucidated by a combination of 1D and 2D NMR, HRMS, and chemical analysis.
CONCLUSIONS:
Compounds 1-3 exhibited inhibition on nitric oxide production in lipopolysaccharide induced RAW 264.7 macrophages with their IC50 values of 45.8, 65.8, and 49.8 μM, respectively. | Bioorg Med Chem Lett. 2012 Oct 1;22(19):6267-71. | Anti-adipogenic chromone glycosides from Cnidium monnieri fruits in 3T3-L1 cells.[Pubmed: 22932311] |
METHODS AND RESULTS:
Seven new chromone glycosides, monnierisides A (3), B (10), C (11), D (12), E (13), F (15) and G (16) were isolated from Cnidium. monnieri, together with ten known chromone derivatives, Undulatoside A (1), cnidimol C (2), saikochromoside A (4), cnidimoside A (5), cnidimoside B (6), 2-methyl-5-hydroxy-6-(2-butenyl-3-hydroxymethyl)-7-(β-d-glucopyranosyloxy)-4H-1-benzopyran-4-one (7), cnidimol D (8), hydroxycnidimoside A (9), umtatin (14) and 6'-hydroxylangelicain (17). The structures of isolated compounds were determined on the basis of spectroscopic analysis including 1D, 2D NMR and HR-MS.
CONCLUSIONS:
Among the compounds isolated, compounds 5, 6, 9 and 10 significantly inhibited adipocyte differentiation as measured by fat accumulation in 3T3-L1 cells using Oil Red O staining. |
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