N-p-Coumaroyloctopamine
N-p-Coumaroyloctopamine is a natural product from potato tuber tissue.
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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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Biosci Biotechnol Biochem. 2000 Mar;64(3):625-7.
Absolute structure of N-p-coumaroyloctopamine in elicitor-treated potato tuber tissue.[Pubmed:
10803969]
Treatment of potato tuber tissue with beta-1,3-oligoglucosaccharide causes an accumulation of N-p-Coumaroyloctopamine (1).
METHODS AND RESULTS:
In order to determine the absolute structure of N-p-Coumaroyloctopamine in potato, optically active N-p-Coumaroyloctopamine was synthesized from (R)-octopamine which had been obtained from the racemic mixture by the fractional crystallization. By comparing the chromatographic behavior of synthetic and naturally-occurring samples with a chiral HPLC analysis, the absolute configuration of N-p-Coumaroyloctopamine in potato was determined to be S.
CONCLUSIONS:
This indicates that the absolute configuration of the octopamine moiety of N-p-Coumaroyloctopamine is opposite to that of octopamine formed in animal tissues.
