Arnidiol
Arnidiol has anti-inflammatory activity, it possesses marked inhibitory activity against 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced inflammation in mice, the 50% inhibitory dose of these compounds with respect to TPA-inflammation (1 microgram) is 0.03-0.2 mg/ear. Arnidiol shows inhibitory effects against Epstein-Barr virus early antigen (EBV-EA) activation with potencies either comparable with or stronger than that of glycyrrhetic acid, a known natural anti-tumor-promoter; it also possesses a wide range of cytotoxicity against human cancer cell lines, with GI50 values (concentration that yields 50% growth) of mostly less than 6 microM.
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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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Cancer Lett., 2002, 177(1):7-12.
Constituents of Compositae plants III. Anti-tumor promoting effects and cytotoxic activity against human cancer cell lines of triterpene diols and triols from edible chrysanthemum flowers.[Pubmed:
11809525]
METHODS AND RESULTS:
Fifteen pentacyclic triterpene diols and triols, consisting of: six taraxastanes, faradiol (1), heliantriol B0 (2), heliantriol C (3), 22alpha-methoxyfaradiol (4), Arnidiol (5), and faradiol alpha-epoxide (6); five oleananes, maniladiol (7), erythrodiol (8), longispinogenin (9), coflodiol (10), and heliantriol A(1) (11); two ursanes, brein (12) and uvaol (13); and two lupanes, calenduladiol (14) and heliantriol B2 (15), isolated from the non-saponifiable lipid fraction of the edible flower extract of chrysanthemum (Chrysanthemum morifolium) were evaluated for their inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by the tumor promoter, 12-O-tetradecanoylphorbol-13-acetate, in Raji cells as a primary screening test for anti-tumor-promoters.
CONCLUSIONS:
All of the compounds tested showed inhibitory effects against EBV-EA activation with potencies either comparable with or stronger than that of glycyrrhetic acid, a known natural anti-tumor-promoter. Evaluation of the cytotoxic activity of six compounds, 1-3 and 5-7, against human cancer cell lines revealed that compound 5 possesses a wide range of cytotoxicity, with GI50 values (concentration that yields 50% growth) of mostly less than 6 microM.
