Orientanol A
Orientanol A is a natural product from Erythrina arborescens.
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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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Fitoterapia. 2010 Sep;81(6):518-23.
Fuscacarpans A-C, new pterocarpans from the stems of Erythrina fusca.[Pubmed:
20079815 ]
METHODS AND RESULTS:
Chemical investigation of the stems of Erythrina fusca Lour. led to the isolation of three new pterocarpans, named fuscacarpans A-C (1-3), together with fourteen known compounds, sandwicensin (4), erythribyssin A (5), erythrabissin I (6), demethylmedicarpin (7), eryvarin D (8), erypoegin I (9), hydroxycristacarpone (10), Orientanol A (11), scandenone (12), genistein (13), liquiritigenin (14), isoliquiritigenin (15), vestitone (16) and 3,7,4'-trihydroxyflavone (17).
CONCLUSIONS:
Structures 1-3 were elucidated by spectroscopic and chemical methods. The isolates were evaluated for antibacterial, antiplasmodial and cytotoxic activities.
J Asian Nat Prod Res. 2011 Feb;13(2):182-7.
bis-Sigmodiol: a new prenylflavanone dimer from Erythrina sigmoidea Hua (Fabaceae) of Nigeria.[Pubmed:
21279883 ]
METHODS AND RESULTS:
A new prenylflavanone dimer named bis-sigmodiol was isolated from Erythrina sigmoidea, along with six known constituents isobavachin, lupiwighteone, Orientanol A, ergosta-4, 6, 8 (14), 22-tetraen-3-one, lupenyl acetate, and p-hydroxybenzoic acid. These known constituents have not been reported so far from E. sigmoidea.
CONCLUSIONS:
Their structures were elucidated by spectroscopic methods.
