Abieta-8,11,13-triene-7,15,18-triol
Abieta-8,11,13-triene-7alpha,15,18-triol,7alpha,8alpha,13beta,14beta-diepoxyabietan-18-oic acid, and 18-nor-abieta-8,11,13-triene-4alpha,7alpha,15-triol may have inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by the tumor promoter, 12-O-tetradecanoylphorbol-13-acetate (TPA), they may as a primary screening for antitumor promotors.
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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.
Int J Mol Sci.2018, 19(9):E2825
Int J Mol Sci.2019, 20(23):E6071
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Journal of Chromatography A2020, 460942
Evid Based Complement Alternat Med.2022, 9767292,2.
Phytomedicine.2024, 155760.
Front. Plant Sci.2022, 13:757852.
J Ethnopharmacol.2023, 313:116534.
Chinese Pharmaceutical Journal2023, 58(2):178-187.
The Journal of Korean Medicine2022, 43(3): 79-93.
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Planta Med. 2001 Feb;67(1):55-60.
Abietane diterpenoids from the cones of Larix kaempferi and their inhibitory effects on Epstein-Barr virus activation.[Pubmed:
11270723 ]
METHODS AND RESULTS:
Four known (1-3, 8) and four new abietane diterpenes, 15-hydroxy-8alpha,14alpha,12alpha,13alpha-diepoxyabietan-18-oic acid (4), 7alpha,8alpha,13beta,14beta-diepoxyabietan-18-oic acid (5), 18-nor-abieta-8,11,13-triene-4alpha,7alpha,15-triol (6), and abieta-8,11,13-triene-7alpha,15,18-triol (Abieta-8,11,13-triene-7,15,18-triol ,7) were isolated from the CHCl3 extract of the cones of Larix koempferi. A known compound, 13,14-seco-13,14-dioxoabiet-13-en-18-oic acid (8) was isolated from natural sources for the first time. Their structures were determined by chemical and spectroscopic methods including 1D and 2D NMR techniques. The absolute stereostructure of 5 was determined by X-ray crystallographic analysis.
CONCLUSIONS:
The inhibitory effects of these compounds on Epstein-Barr virus early antigen (EBV-EA) activation induced by the tumor promoter, 12-O-tetradecanoylphorbol-13-acetate (TPA), were examined as a primary screening for antitumor promotors.
