6,8-Diprenylnaringenin
6,8-Diprenylnaringenin is a natural product from Humulus lupulus.
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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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Chemical & Pharmaceutical Bulletin , 2008 , 36 (9) :3292-3295.
A new flavonoid and other new components from Citrus plants.[Reference:
WebLink]
METHODS AND RESULTS:
A new flavonoid, citflavanone (1), and prenylated phenol derivatives, etrogol (7) and valencic acid (8), were isolated from roots and root barks of Citrus natsudaidai (natsudaidai), C. medica (etrog citron), C. sinensis (valencia orange), and several hybrid seedlings resulting from hyuga-natsu × hirakishu, and characterized. In order to determine the structure of citflavanone (1), prenylation of naringenin (3) was attempted to give 6- and 8-prenylnaringenin (4 and 5,respectively) as well as 6,8-Diprenylnaringenin (6).
CONCLUSIONS:
The location of the prenyl moiety in 4 and 5 was established by means of the long-range selective proton decoupling technique in nuclear magnetic resonance spectrometry.
