Gnetucleistol C
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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Nat Prod Commun. 2014 Dec;9(12):1743-4.
A new stilbenoid compound from the lianas of Gnetum microcarpum.[Pubmed:
25632474]
METHODS AND RESULTS:
A new stilbene, malaysianol E (1), together with five known stilbenes namely gnetol (2), Gnetucleistol C (3), gnetucleistol D (4), resveratrol (5) and E-viniferin (6) were successfully discovered from the acetone extract of the lianas of Gnetum microcapum. The structures of these stilbenes were determined on the basis of spectroscopic (1D and 2D NMR) and MS evidence.
CONCLUSIONS:
This paper describes the structural elucidation of the new compound, malaysianol E. The chemotaxonomic significance of this compound is briefly discussed.
J Asian Nat Prod Res. 2005 Apr;7(2):131-7.
Stilbene derivatives from Gnetum cleistostachyum.[Pubmed:
15621615]
METHODS AND RESULTS:
Three new stilbene derivatives, named gnetucleistol A (1), gnetucleistol B (2) and Gnetucleistol C (3), together with four known compounds, gnetifolin A (4), p-hydroxycinnamic acid (5), piceatannol (6) and resveratrol (7), were isolated from Gnetum cleistostachyum C.Y. Cheng (Gnetaceae). Their structures were elucidated on the basis of spectroscopic evidence (EI-MS, UV, IR, NOE, 1H, 13C and 2D NMR).
