Junipediol A
Junipediol A shows antioxidation activity.
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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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Chinese Journal of Medicinal Chemistry, 2008,18 (3) :215-8.
Antioxidant phenylpropanoids from Cephalotaxus hainanensis.[Reference:
WebLink]
To study the chemical constituents from Cephalotaxus hainanensis Li.
METHODS AND RESULTS:
The compounds were isolated and purified by column chromatography,and their structures were identified by physicochemical and spectral data.Their antioxidation activity were tested by DPPH method. Three compounds were isolated from the ethanol extract of Cephalotaxus hainanensis Li.,and their structures were elucidated as Junipediol A(1),Junipediol A 8-O-β-D-glucopyranoside(2),and junipediol B(3).
CONCLUSIONS:
Compounds 1-3 were isolated from the genus of Cephalotaxus for the first time,and all showed antioxidation activity.
Phytochemistry, 1997, 44(6):1169-73.
Three phenylpropanoids from Juniperus phœnicea.[Reference:
WebLink]
METHODS AND RESULTS:
Three new compounds, Junipediol A [2-(3-methoxy-4-hydroxyphenyl)-propane-1,3-diol], Junipediol A 8-glucoside [1-β-d-glucosyloxy-2-(3-methoxy-4-hydroxyphenyl)-propane-1,3-diol] and junipediol B 8-glucoside [1-β-d-glucosyloxy-2-(3,4-methylenedioxyphenyl)-propane-1,3-diol], have been isolated from acetone and methanolic extracts of the aerial parts of Juniperus phœnicea.
CONCLUSIONS:
The structural elucidation of these new natural products was achieved mainly by UV, mass and 1H and 13C NMR spectroscopy.
