Alpinoid D
Standard reference
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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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Planta Med. 2008 Mar;74(4):427-31.
New cytotoxic diarylheptanoids from the rhizomes of Alpinia officinarum.[Pubmed:
18484537]
METHODS AND RESULTS:
Bioassay-guided fractionation of the cytotoxic MeOH extract from the rhizomes of Alpinia officinarum Hance led to the isolation of two new diarylheptanoids named Alpinoid D (1) and E (2), together with fifteen known diarylheptanoids (3 - 17). The structures of compounds Alpinoid D and 2 were elucidated on the basis of spectroscopic data and chemical evidence. The cytotoxic activity of the isolated diarylheptanoids was evaluated against the IMR-32 human neuroblastoma cell line.
CONCLUSIONS:
Among the tested compounds, 11, 12 and 14 exhibited the most potent activities with IC (50) values of 0.83, 0.23 and 0.11 microM, respectively.
