5-Nonadecylresorcinol
5-Nonadecylresorcinol shows inhibitory effects on the release of β-hexosaminidase from RBL-2H3 cells.
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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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Inhibitors of antigen-induced degranulation of RBL-2H3 cells isolated from wheat bran.[Reference:
WebLink]
METHODS AND RESULTS:
Chromatographic separation of ethanol extract of wheat bran led to the isolation of five 5-alk(en)ylresorcinols, four aliphatic compounds, and one phenolic glycoside. These were, respectively: 5-n-heptadecylresorcinol (1), 5-n-14′-(Z)-heneicosylresorcinol (2), 5-n-nonadecylresorcinol (5-Nonadecylresorcinol,3), 5-n-heneicosylresorcinol (5-Heneicosylresorcinol ,4), 5-n-tricosylresorcinol (5), 1-O-(9Z,12Z,15Z-octadecatrienoate) glycerol (6), 2-linoleoylglycerol (7), 1-O-(9Z,12Z-octadecatrienoate)glycerol (8), pinellic acid (9), and tachioside (10). Their structures were determined by 1D- & 2D-NMR and mass spectroscopy data analysis.
CONCLUSIONS:
The inhibitory effects of isolated constituents on the release of β-hexosaminidase from RBL-2H3 cells were examined. Inhibition was shown by 5-n-nonadecylresorcinol (3), 5-n-heneicosylresorcinol (4), pinellic acid (9), and tachioside (10).
