Harman
Harman exhibits neuroactive activity in the human body.
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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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Food Chem. 2015 May 15;175:280-3.
Bioactive β-carbolines norharman and harman in traditional and novel raw materials for chicory coffee.[Pubmed:
25577081]
The β-carboline compounds norHarman and Harman exhibit neuroactive activity in the human body. Chicory coffee has proved to be a source of β-carboline compounds.
METHODS AND RESULTS:
This study assessed the norHarman and Harman contents of traditional and novel raw materials for the production of chicory coffee, as well as in samples of chicory coffee with novel additives. The highest content of the β-carbolines among the traditional raw materials was recorded in roasted sugar beet (2.26 μg/g), while roasting the chicory caused a 25-fold increase in the content of norHarman in this raw material (from 0.05 to 1.25 μg/g). In novel raw materials not subjected to the action of high temperature, β-carboline was not detected.
CONCLUSIONS:
Among the roasted novel raw materials, the highest contents of Harman and norHarman were found in artichokes. High Harman levels were also recorded in roasted chokeberry.
