Argentinine
Argentinine exhibits significant activity against Trypanosoma cruzi.
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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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J Nat Prod. 1994 Jul;57(7):890-5.
New aporphine alkaloids from guatteria foliosa.[Pubmed:
7964785]
METHODS AND RESULTS:
Four new alkaloids were obtained from Guatteria foliosa, namely, the noraporphines (-)-3-methoxyputerine [1] and (+)-norguattevaline [2], the more highly oxidized (+)-3-methoxyguattescidine [3], and the oxoaporphine 3-methoxyoxoputerine [4].
CONCLUSIONS:
Among several other known alkaloids also found in this same plant, (-)-3-hydroxynornuciferine, (-)-isoguattouregidine, and Argentinine exhibited significant activity against Trypanosoma cruzi.
Nat Prod Res. 2004 Jun;18(3):265-8.
A new dehydroaporphine alkaloid from Papaver fugax.[Pubmed:
15143838]
METHODS AND RESULTS:
A new dehydroaporphine alkaloid (-)-6a,7-dehydrofloripavidine has been isolated from the aerial parts of Papaver fugax Poir. (Papaveraceae) collected from Erzurum (Eastern Anatolia). (-)-Floripavidine (aporphine) and (-)-mecambrine (proaporphine) were isolated as major alkaloids. Other bases present were (+)-salutaridine (promorphinane) and Argentinine (phenanthrene).
CONCLUSIONS:
The presence of Argentinine has been shown for the first time in the Papaveraceae.
Chem Pharm Bull (Tokyo). 2002 Dec;50(12):1613-5.
Chromone and phenanthrene alkaloids from Dennettia tripetala.[Pubmed:
12499602]
METHODS AND RESULTS:
Dennettine, a new 2,6-dimethoxychromone and three known phenanthrene alkaloids (uvariopsine, stephenanthrine and Argentinine) in addition to the phenolic and known compound vanillin were isolated from the roots of Dennettia tripetala.
CONCLUSIONS:
Their structures were determined by physical and spectroscopical one dimensional (1D) and 2D-NMR analysis, including heteronuclear multiple bond correlation and nuclear Overhauser enhancement spectroscopy.
