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Delta 7-avenasterol
ChemFaces products have been cited in many studies from excellent and top scientific journals
Product Name Delta 7-avenasterol
Price:
CAS No.: 23290-26-8
Catalog No.: CFN92240
Molecular Formula: C29H48O
Molecular Weight: 412.7 g/mol
Purity: >=98%
Type of Compound: Steroids
Physical Desc.: Powder
Source: The seeds of Nigella sativa L.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download: COA    MSDS    SDF    Manual
Similar structural: Comparison (Web)  (SDF)
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Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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Related Screening Libraries
Size /Price /Stock 10 mM * 100 uL in DMSO / Inquiry / In-stock
10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries
Biological Activity
Description: Delta 7-avenasterol has antioxidant activity.
Targets: Immunology & Inflammation related
In vivo:
Phytother Res. 1999 Feb;13(1):78-80.
Topical antiinflammatory activity of phytosterols isolated from Eryngium foetidum on chronic and acute inflammation models.[Pubmed: 10189959]
Eryngium foetidum L. (Apiaceae) is a Caribbean endemic plant, used in folk medicine for the treatment of several antiinflammatory disorders.
METHODS AND RESULTS:
A preliminary phytochemical study showed that the hexane extract is rich in terpenic compounds. Chromatographic fractionation of this extract yielded: alpha-cholesterol, brassicasterol, campesterol, stigmasterol (as the main component, 95%) clerosterol, beta-sitosterol, delta 5-avenasterol, delta (5)24-stigmastadienol and Delta 7-avenasterol. The topical antiinflammatory activity of the hexane extract and of stigmasterol was evaluated by auricular oedema, induced by 12-0-tetradecanoylphorbol acetate (TPA), in the mouse, using single and multiple applications of the phlogistic agent. Both reduced the oedema in a similar proportion in the two model assays (acute and chronic). Meloperoxidase activity was strongly reduced by both the extract and the compound, in the acute but not the chronic model.
CONCLUSIONS:
These results indicate that the leaves of Eryngium foetidum L may be effective against topical inflammation processes. Stigmasterol also exerts a significant topical antiinflammatory activity although it cannot be considered to be a major antiinflammatory agent, therefore other bioactive components are probably involved in the activity of the hexane extract.
Delta 7-avenasterol Description
Source: The seeds of Nigella sativa L.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage: 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

After receiving: 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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Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

Cell. 2018 Jan 11;172(1-2):249-261.e12.
doi: 10.1016/j.cell.2017.12.019.
IF=36.216(2019)

PMID: 29328914

Cell Metab. 2020 Mar 3;31(3):534-548.e5.
doi: 10.1016/j.cmet.2020.01.002.
IF=22.415(2019)

PMID: 32004475

Mol Cell. 2017 Nov 16;68(4):673-685.e6.
doi: 10.1016/j.molcel.2017.10.022.
IF=14.548(2019)

PMID: 29149595

ACS Nano. 2018 Apr 24;12(4): 3385-3396.
doi: 10.1021/acsnano.7b08969.
IF=13.903(2019)

PMID: 29553709

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Calculate Dilution Ratios(Only for Reference)
1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.4231 mL 12.1153 mL 24.2307 mL 48.4614 mL 60.5767 mL
5 mM 0.4846 mL 2.4231 mL 4.8461 mL 9.6923 mL 12.1153 mL
10 mM 0.2423 mL 1.2115 mL 2.4231 mL 4.8461 mL 6.0577 mL
50 mM 0.0485 mL 0.2423 mL 0.4846 mL 0.9692 mL 1.2115 mL
100 mM 0.0242 mL 0.1212 mL 0.2423 mL 0.4846 mL 0.6058 mL
* Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
Protocol
Structure Identification:
Phytochemistry. 2010 Aug;71(11-12):1245-52.
High throughput screening of mutants of oat that are defective in triterpene synthesis.[Pubmed: 20557911]
The triterpenes are a large and diverse group of plant natural products that have important functions in plant protection and food quality, and a range of pharmaceutical and other applications. Like sterols, they are synthesised from mevalonate via the isoprenoid pathway, the two pathways diverging after 2,3-oxidosqualene. During triterpene synthesis 2,3-oxidosqualene is cyclised to one of a number of potential products, the most common of these being the pentacyclic triterpene beta-amyrin. Plants often produce complex mixtures of conjugated triterpene glycosides which may be derived from a single triterpene skeleton. The delineation, functional analysis and exploitation of triterpene pathways in plants therefore represent a substantial challenge.
METHODS AND RESULTS:
Here we have carried out high throughput screening to identify mutants of diploid oat (Avena strigosa) that are blocked in the early steps of triterpene synthesis. We also show that mutants that are affected in the first committed step in synthesis of beta-amyrin-derived triterpenes, and so are unable to cyclise 2,3-oxidosqualene to beta-amyrin (sad1 mutants), accumulate elevated levels of primary sterols. The major differences were in Delta-7-campesterol and Delta-7-avenasterol, which both increased several fold relative to wild-type levels.
CONCLUSIONS:
This is presumably due to accumulation of squalene and 2,3-oxidosqualene and consequent feedback into the sterol pathway, and is consistent with previous reports in which specific oxidosqualene cyclase inhibitors and elicitors of triterpene biosynthesis were shown to have inverse effects on the flux through the sterol and triterpene pathways.
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