Ikarisoside F
Ikarisoside F and epimedin A can bind to AdoHcy hydrolase, inhibit the activity of AdoHcy hydrolase, thus regulating the cellular biomethylation as well as reducing cellular Hcy level.
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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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Life Sci. 2005 Nov 26;78(2):180-6.
Inhibitory effect of Epimedium extract on S-adenosyl-L-homocysteine hydrolase and biomethylation.[Pubmed:
16125732]
In the present paper, the inhibitory effect of Epimedium extract on the activity of S-adenosyl-L-homocysteine (AdoHcy) Hydrolase was studied.
METHODS AND RESULTS:
The results showed that Epimedium extract inhibited the activity of recombinant human AdoHcy hydrolase in a dose-dependent manner. This inhibitory effect was also observed in hepatic cell line 7701 and hepatoma HepG2, however, the effect in 7701 cells was more potent than in HepG2 cells. The extract could significantly reduce AdoMet/AdoHcy ratio in 7701 cells in a dose-dependent manner, suggesting reduced biomethylation level in 7701 cells. In contrast, it resulted in elevated AdoMet/AdoHcy ratio in the HepG2 cells. The result of MALDI-MS assay indicated that epimedin A and Ikarisoside F from the extract could bind to AdoHcy hydrolase. The present data suggested that Epimedium extract could inhibit the activity of AdoHcy hydrolase, thus regulating the cellular biomethylation as well as reducing cellular Hcy level.
CONCLUSIONS:
These results will provide new clues to the mechanisms of Epimedium in curing of cardiovascular disease and regulating tumor cell growth.
Phytochemistry. 1992 Jan;31(1):297-9.
Two flavonol glycosides from Vancouveria hexandra.[Pubmed:
1367883]
METHODS AND RESULTS:
In addition to two known glycosides, Ikarisoside F and epimedin A, two new glycosides of a flavonol with a gamma, gamma-dimethylallyl group were isolated from the underground and the aerial parts of Vancouveria hexandra. The structures were determined to be des-O-methylanhydroicaritin 3,7-diglucoside and anhydroicaritin 3-glucosyl (1----3)rhamnoside-7-glucoside by means of spectral analysis.
