Scandine Nb-oxide
Scandine Nb-oxide is a natural product from Melodinus fusiformis.
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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 Traditional Patent Medicine,2012,34 (1):85-89.
Alkaloids in Melodinus fusiformis.[Reference:
WebLink]
To study the alkaloids in Melodinus fusiformis.
METHODS AND RESULTS:
The dried herbs of Melodinus fusiformis were immersed with HCl,after the enchyma passes the strong ion resin,was alkalified with ammonia solution,dried,then eluting with 95% ethanol,condense to gain extraction.Silica gel,Sephadex LH-20,Rp-18 Column were used to isolate and purify the constituents,and their structures were identified by spectral analysis and their physical characters. Nine compounds were isolated from Melodinus fusiformis,and identified as tabersonine(Ⅰ),11-hydroxy-tabersonine(Ⅱ),venalstonidine(Ⅲ),pachysiphine(Ⅳ),venalstonine(Ⅴ),scandine(Ⅵ),10-hydroxy-scandine(Ⅶ),Scandine Nb-oxide(Ⅷ) and 5-methoxy-strictamine(Ⅸ).
CONCLUSIONS:
Compounds Ⅲ,Ⅳ,Ⅸ are isolated from Melodinus fusiformis for the first time,and compound Ⅸ is isolated from the plants of Melodinus for the first time.
