Celosin I
Celosin H, celosin I, and celosin J could be used as chemical markers for the quality control of C. argentea seeds. Celosin I exhibited significant hepatoprotective effect on carbon tetrachloride-induced and N,N-dimethylformamide-induced hepatotoxicity in mice.
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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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Nat Prod Res. 2013 Aug;27(15):1353-60.
Novel triterpenoid saponins from the seeds of Celosia argentea L.[Pubmed:
23157342 ]
METHODS AND RESULTS:
Two new triterpenoid saponins Celosin I (1) and Celosin II (2) were isolated from the seeds of Celosia argentea L. (Amaranthaceae). The structures of the two new compounds were elucidated based on chemical analysis and spectral methods (IR, 1-D and 2-D NMR, ESI-MS, HR-ESI-MS).
CONCLUSIONS:
They exhibited significant hepatoprotective effect on carbon tetrachloride-induced and N,N-dimethylformamide-induced hepatotoxicity in mice.
J Asian Nat Prod Res. 2014;16(3):240-7.
New oleanane-type triterpenoid saponins isolated from the seeds of Celosia argentea.[Pubmed:
24456247]
METHODS AND RESULTS:
Three new oleanane-type triterpenoid saponins named celosin H, Celosin I, and celosin J were isolated from the seeds of Celosia argentea L. Their structures were characterized as 3-O-β-D-xylopyranosyl-(1 → 3)-β-D-glucuronopyranosyl-polygalagenin 28-O-β-D-glucopyranosyl ester, 3-O-β-D-glucuronopyranosyl-medicagenic acid 28-O-β-D-xylcopyranosyl-(1 → 4)-α-L-rhamnopyranosyl-(1 → 2)-β-D-fucopyranosyl ester, and 3-O-β-D-glucuronopyranosyl-medicagenic acid 28-O-α-L-arabinopyranosyl-(1 → 3)-[β-D-xylcopyranosyl-(1 → 4)]-α-L-rhamnopyranosyl-(1 → 2)-β-D-fucopyranosyl ester by NMR, MS, and chemical evidences, respectively.
CONCLUSIONS:
In our opinion, celosin H, Celosin I, and celosin J could be used as chemical markers for the quality control of C. argentea seeds.
