Drynachromoside A
Drynachromoside A exhibits the biochemical effects on the proliferation of MC3T3-E1 cells.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Fitoterapia. 2013 Jan;84:130-4.
Two new chromone glycosides from Drynaria fortunei.[Pubmed:
23160089 ]
METHODS AND RESULTS:
Two new chromone glycosides, Drynachromoside A (1), drynachromoside B (2), along with three known flavanones, 5,7,3',5'-tetrahydroxy-flavanone (3), 5,7,3',5'-tetrahydroxy-flavanone-7-O-β-d-glucopyranoside (4), and 5,7,3',5'-tetrahydroxy-flavanone-7-O-neohesperidoside (5), were isolated from the dry rhizomes of Drynaria fortunei by means of bio-active screening. The two former compounds were elucidated on the basis of physico-chemical property and spectroscopic data. The osteoblastic proliferation activities of these flavonoids were evaluated by the method of MTT.
CONCLUSIONS:
The results showed that compound 1 exhibited the biochemical effects on the proliferation of MC3T3-E1 cells, while Compound 2 showed inhibitory effects against MC3T3-E1 cells.
Fitoterapia. 2017 Oct;122:101-106.
Five new chromone glycosides from Scindapsus officinalis (Roxb.) Schott.[Pubmed:
28882671]
METHODS AND RESULTS:
Five new chromone glycosides, officinalisides A (1), B (2), C (3), D (4) and E (5) were isolated from Scindapsus officinalis (Roxb.) Schott., along with six known chromone derivatives, 7-O-α-l-rhamnosyl-nereugenin (6), undulatoside A (7), Drynachromoside A (8), drynachromoside B (9), 5,7-dihydroxy-2-methyl chromone(10), 5,7-dihydroxy-2-hydroxymethyl chromone (11). Structural elucidation of the isolated compounds was established by spectroscopic analysis, especially 2D NMR techniques and comparison with literatures. The isolates were evaluated for anti-inflammatory activities in a LPS-stimulated RAW 264.7 model using inhibition of nitric oxide (NO) production as an indicator.
CONCLUSIONS:
Compounds 2, 4 and 10 demonstrated potential anti-inflammatory activity with IC50 values of 16.1, 19.1, and 13.4μM, respectively, compared to the positive control dexamethasone.
