Nordihydrocapsaicin
Capsaicin and dihydrocapsaicin are the major active components in pepper spray products, which are widely used for law enforcement and self-protection, they has cytotoxicity, they induces p53 protein and G1 phase cell cycle arrest. Dihydrocapsaicin induces hypothermia and substance P depletion, it or radiolabelled dihydrocapsaicin, may be a useful tool for investigating the mechanisms by which capsaicin alters thermoregulation and primary afferent neuron function.Capsaicin and dihydrocapsaicin have effect on in vitro blood coagulation and platelet aggregation.
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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.
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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. 2014 Jun 15;153:200-6.
Evolution of total and individual capsaicinoids in peppers during ripening of the Cayenne pepper plant (Capsicum annuum L.).[Pubmed:
24491721]
METHODS AND RESULTS:
The evolution of total capsaicinoids and the individual contents of the five major capsaicinoids: Nordihydrocapsaicin, capsaicin, dihydrocapsaicin, homocapsaicin and homodihydrocapsaicin present in the Cayenne pepper (Capsicum annuum L.), during fruit ripening, has been established. Capsaicinoids begin to accumulate gradually in the peppers from the beginning of its development up to a maximum concentration (1,789 μmol/Kg FW). From this time there is initially a sharp decrease in the total capsaicinoid content (32%), followed by a gradual decrease until day 80 of ripening. The two major capsaicinoids present in the Cayenne pepper are capsaicin and dihydrocapsaicin, which represent between 79% and 90%, respectively, of total capsaicinoids depending on fruit ripening.
CONCLUSIONS:
The relative content of capsaicin differs from the evolution of the other four capsaicinoids studied.
Phytochemistry. 2007 May;68(10):1391-6.
Glycosylation of capsaicin and 8-nordihydrocapsaicin by cultured cells of Catharanthus roseus.[Pubmed:
17449077]
METHODS AND RESULTS:
The glycosylation of capsaicin and 8-Nordihydrocapsaicin was investigated using cultured cells of Catharanthus roseus. In addition to capsaicin 4-O-beta-d-glucopyranoside (170 microg/g fr. wt of cells), the biotransformation products, capsaicin 4-O-(6-O-beta-D-xylopyranosyl)-beta-D-glucopyranoside (116 microg/g fr. wt of cells) and capsaicin 4-O-(6-O-alpha-L-arabinopyranosyl)-beta-D-glucopyranoside (83 microg/g fr. wt of cells), were isolated from the cell suspension after three days of incubation with capsaicin. Two other compounds, 8-Nordihydrocapsaicin 4-O-(6-O-beta-D-xylopyranosyl)-beta-D-glucopyranoside (171 microg/g fr. wt of cells) and 8-Nordihydrocapsaicin 4-O-(6-O-alpha-L-arabinopyranosyl)-beta-D-glucopyranoside (122 microg/g fr. wt of cells), together with the known 8-Nordihydrocapsaicin 4-O-beta-D-glucopyranoside (204 microg/g fr. wt of cells) were also isolated from the cell suspension after incubation with 8-Nordihydrocapsaicin.
