10-O-Vanilloylaucubin
10-O-Vanilloylaucubin shows significant writhing inhibition following oral administration at doses of 25 mg/kg.suggests that it has analgesic effects.
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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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Chem Pharm Bull (Tokyo). 1998 Apr;46(4):655-62.
Pharmacologically active components of viticis fructus (Vitex rotundifolia). II. The components having analgesic effects.[Pubmed:
9579042]
The extract of Viticis Fructus appeared to have an analgesic effect, and was subjected to activity-guided separation using acetic acid-induced writhing in mice.
METHODS AND RESULTS:
The active fraction gave new compounds, vitexfolin A (1A), B and C, 10-O-Vanilloylaucubin (3), dihydrodehydrodiconiferylalcohol-beta-D- (2'-O-p-hydroxybenzoyl)glucoside (4), and vanilloyl-beta-D-(2'O-p-hydroxybenzoyl)glucoside, together with agnuside (2) and erythro- and threoguaiacylglycerols. Compounds 1A and 2-4 showed significant writhing inhibition following oral administration at doses of 15, 50, 25, and 50 mg/kg, respectively. The effect on pressure pain threshold was tested using compounds 1A and 2 at a dose of 50 mg/kg, and only the former produced the analgesia. The analgesic effect of some related iridoid glucosides is also discussed.
