Isorhamnetin 3-sophoroside-7-rhamnoside
Isorhamnetin 3-sophoroside-7-rhamnoside is a natural product from Elaeagnus multiflora Thunb.
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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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West China Journal of Pharmaceutical Sciences, 2007 , 22 (4) :367-370.
Flavonoid glycosides from the berries of Hippophae rhamnoides subsp.Sinensis Rousi[Reference:
WebLink]
To study the flavonoid glycosides isolated from the berries of sea buckthorn(Hippophae rhamnoides subsp.Sinensis Rousi).
METHODS AND RESULTS:
The berries were extracted with alcohol,and then the chemical constituents of the extract were isolated and purified by several chromatographic methods.Chemical and spectral methods were used to determine the structures of the purified compounds. Eight compounds were isolated and identified as: isorhamnetin-3-O-sophoroside-7-O-rhamnoside(Isorhamnetin 3-sophoroside-7-rhamnoside,Ⅰ),isorhamnetin-3-O-rutinoside(Ⅱ),isorhamnetin-3-O-glucoside-7-O-rhamnoside(Ⅲ),syringetin-3O-rutinoside(Ⅳ),kaempferol-3-O-sophoroside-7-O-rhamnoside(Ⅴ),kaempferol-7-O-rhamnoside(Ⅵ),quercetin-3-O-glucoside(Ⅶ) and quercetin-3-O-rutinoside(Ⅷ).
CONCLUSIONS:
Compound Ⅰ,Ⅴ are first obtained from H.rhamnoides subsp.sinensis Rousi and compound Ⅳ,Ⅵ are purified from Elaeagnaceae family for the first time.
