ChemFaces is a professional high-purity natural products manufacturer.
Product Intended Use
1. Reference standards
2. Pharmacological research
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* Packaging according to customer requirements(5mg, 10mg, 20mg and more). We shipped via FedEx, DHL, UPS, EMS and others courier.
More articles cited ChemFaces products.
Phytochem Anal.2016 Sep;Inflammation. 2015 Feb 6.Korean Herb. Med. Inf. 2016;4(1):35-42Sci Rep. 2017 Apr 11;Int J Oncol. 2016 Oct;49(4)
Arch Biochem Biophys. 2018 Jan 15;Research on Crops.Jun 2017;J Drug Target.2016 Feb 24:1-28.Gorana Nedin Rankovi?2017 Jan 15Analytical sci. & Tech2016
Am J Chin Med.2016;44(6)Chemistry of Natural CompoundsJan. 2018;Phytochemistry Letters2015 JuneInt J Biol Macromol. 2018 Feb 12.
Our products had been exported to the following research institutions and universities, And still growing.
Universidad de Antioquia (Colombia)National Cancer Institute (USA)Harvard University (USA)Medical University of Gdansk (Poland)
University of Padjajaran (Indonesia)Chulalongkorn University (Thailand)University of Maryland School of... (USA)Universita' Degli Studi Di Cagli... (Italy)
Wageningen University (Netherlands)Shanghai Institute of Organic Ch... (China)VIT University (India)
||Alnustone has anti-inflammatory, antihepatotoxic and antiemetic activities, |
||Immunology & Inflammation related|
| Planta Med. 1993 Oct;59(5):451-4. |
| Three non-phenolic diarylheptanoids with anti-inflammatory activity from Curcuma xanthorrhiza.[Pubmed: 8255938]|
METHODS AND RESULTS:
Bioassay-guided fractionation of a hexane extract of the rhizomes of Curcuma xanthorrhiza Roxb. (Zingiberaceae) led to the isolation of three non-phenolic diarylheptanoids, identified mainly by high-field 1H-NMR as trans-trans-1,7-diphenyl-1,3-heptadien-4-one (Alnustone), trans-1,7-diphenyl-1-hepten-5-ol, and trans,trans-1,7-diphenyl-1,3-heptadien-5-ol. The latter is reported for the first time as a plant constituent. Germacrone, curzerenone, and cinnamaldehyde were also isolated and identified.
The three diarylheptanoids all exerted significant anti-inflammatory activity in the assay of carrageenin-induced hind paw edema in rats.
||The seeds of Alpinia katsumadai Hayata.
||Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
||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: firstname.lastname@example.org
||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.
Recent ChemFaces New Products and Compounds
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.PMID: 29328914
Mol Cell. 2017 Nov 16;68(4):673-685.e6. doi: 10.1016/j.molcel.2017.10.022.PMID: 29149595
Scientific Reports 2017 Dec 11;7(1):17332.doi: 10.1038/s41598-017-17427-6.PMID: 29230013
Molecules. 2017 Oct 27;22(11). pii: E1829.doi: 10.3390/molecules22111829.PMID: 29077044
J Cell Biochem. 2018 Feb;119(2):2231-2239.doi: 10.1002/jcb.26385. PMID: 28857247
Phytomedicine. 2018 Feb 1;40:37-47. doi:10.1016/j.phymed.2017.12.030PMID: 29496173
Calculate Dilution Ratios(Only for Reference)
* 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.
|Zhongguo Zhong Yao Za Zhi. 2010 Aug;35(16):2091-4. |
|Qualitative and quantitative methods for Alpiniae Katsumadai semen[Pubmed: 21046736]|
|The qualitative and quantitative methods for the quality evaluation of Alpiniae Katsumadai Semen were established. Alpinetin, pinocembrin, cardamonin and Alnustone in the sample were identified by TLC. |
METHODS AND RESULTS:
The contents of them were determined by HPLC. The separation was performed on a Ultimate XB-C18 column (4.6 mm x 250 mm, 5 microm) at 30 degrees C using a gradient elution consisting of mobile phase A (water) and mobile phase B (MeOH). The detection wavelength was 300 nm. The TLC method was suitable for the identification of alpinetin, pinocembrin, cardamonin and Alnustone. The linear ranges of the four reference compounds were 25.5-509 (r = 0.9999), 24.9-498 (r = 0.9999), 26.1-521 (r = 0.9999), 50.2-1003 ng (r = 0.9999), respectively. The average recoveries (n=9) of the four components were 97.95%, 97.36%, 97.50%, 98.02%, RSD < 1.9%. Nine samples were analyzed by the established methods.
The results indicate that, the methods are simple, accurate, sensitive and reliable for quality evaluation of Alpiniae Katsumadai Semen.