Ylangenyl acetate
Standard reference
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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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Planta Med. 2014 Jun;80(8-9):655-61
Inhibitory effects of β-chamigrenal, isolated from the fruits of Schisandra chinensis, on lipopolysaccharide-induced nitric oxide and prostaglandin E2 production in RAW 264.7 macrophages [corrected].[Pubmed:
24871206 ]
Much is known about the bioactive properties of lignans from the fruits of Schisandra chinensis. However, very little work has been done to determine the properties of sesquiterpenes in the fruits of S. chinensis. The aim of the present study was to investigate the anti-inflammatory potential of new sesquiterpenes (β-chamigrenal, β-chamigrenic acid, α-ylangenol, and α-Ylangenyl acetate) isolated from the fruits of S. chinensis and to explore their effect on macrophages stimulated with lipopolysaccharide.
METHODS AND RESULTS:
Of these four sesquiterpenes, β-chamigrenal most significantly suppressed lipopolysaccharide-induced nitric oxide and prostaglandin E2 production in RAW 264.7 macrophages (47.21 ± 4.54 % and 51.61 ± 3.95 % at 50 μM, respectively). Molecularly, the inhibitory activity of β-chamigrenal on nitric oxide production was mediated by suppressing inducible nitric oxide synthase activity but not its expression. In the prostaglandin E2 synthesis pathway, β-chamigrenal prevented the upregulation of inducible microsomal prostaglandin E synthase-1 expression after stimulation with lipopolysaccharide. Conversely, β-chamigrenal had no effect on the expression and enzyme activity of cyclooxygenase-2. In addition, the expression of early growth response factor-1, a key transcription factor of microsomal prostaglandin E synthase-1 expression, was inhibited by β-chamigrenal.
CONCLUSIONS:
These results may suggest a possible anti-inflammatory activity of β-chamigrenal which has to be proven in in vivo experiments.
