Anemarsaponin E
Anemarsaponin E is a nartural product from salt Anemarrhenae Rhizoma.
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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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Zhong Yao Cai. 2015 May;38(5):942-7.
HPLC-PDA-CAD Fingerprints of Salt Anemarrhenae Rhizoma.[Pubmed:
26767285]
To establish the HPLC-PDA-CAD fingerprints and to determine its seven main constituents so as to provide a reliable evidence for the scientific evaluation and quality control of salt Anemarrhenae Rhizoma.
METHODS AND RESULTS:
The chromatographic fingerprint was obtained with Thermo Hypersil C18 column (250 mm x 4.6 mm, 5 μm) and gradient eluted with acetonitrile and water; The CAD parameters were pressure of 241. 3 kPa, filter of high and range of 200 pA. The detection wavelength of PDA was set at 258 nm. The common mode of HPLC-PDA-CAD fingerprint of salt Anemarrhenae Rhizoma was set up. There were 5 PDA and 12 CAD common peaks in the fingerprints. Timosaponin B II, Anemarsaponin E, timosaponin B III, timosaponin A III, neomangiferin, mangiferin and baohuoside I were identified in fingerprints and determined.
CONCLUSIONS:
The established HPLC-PDA-CAD fingerprint method is accurate, reliable, and has a good reproducibility and precision, which can be used for the quality control of salt Anemarrhenae Rhizoma.
