Isonicoteine
Reference standards.
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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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Anal Chem. 2013 Mar 19;85(6):3380-4.
Application of GC-MS/MS for the analysis of tobacco alkaloids in cigarette filler and various tobacco species.[Pubmed:
23394466]
This publication reports the first known use of gas chromatography-tandem mass spectrometry for the quantitation of five minor tobacco alkaloids (nornicotine, myosmine, anabasine, anatabine, and Isonicoteine) in various tobacco samples.
METHODS AND RESULTS:
A summary of the concentrations of these minor alkaloid levels in the filler from 50 popular cigarette brands were found to be 659-986 μg/g nornicotine, 8.64-17.3 μg/g myosmine, 127-185 μg/g anabasine, 927-1390 μg/g anatabine, and 23.4-45.5 μg/g Isonicoteine. Levels of minor alkaloids found in reference cigarettes (1R5F, 2R4F, 3R4F, CM4, and CM6) as well as burley, flue-cured, oriental, reconstituted, and Nicotiana rustica and Nicotiana glauca tobacco types are also reported.
CONCLUSIONS:
Quantitation of the minor tobacco alkaloids is important because the alkaloids have been shown to be precursors of carcinogenic tobacco specific N'-nitrosamines.
J Asian Nat Prod Res. 2008 Nov-Dec;10(11-12):1093-5.
Alkaloids from Anabasis aphylla L.[Pubmed:
19031252]
METHODS AND RESULTS:
A new pyridine alkaloid 1, together with three known alkaloids N-methylanabasine (2), anabasamine (3), and Isonicoteine (4), was isolated from the aerial part of Anabasis aphylla L.
CONCLUSIONS:
Their structures were elucidated by spectroscopic analysis.
