Wedeliatrilolactone A
Wedeliatrilolactone A is a natural product from Wedelia trilobata.
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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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Studies on enriched yield of wedeliatrilolactone A and B in Wedelia trilobata by macroporous resin[Reference:
WebLink]
To enrich the yield of Wedeliatrilolactone A and wedeliatrilolactone B (WTA and WTB) from Wedelia trilobata (L.) Hitchc.
METHODS AND RESULTS:
WTA and WTB were determined by gas chromatography and their eluting ratio and purities were analysed by determining their contents in different fractions eluted from D 101 macroporous resin. The eluting ratio of WTA and WTB was increased up to 90% and their contents were 4 01%～4 09% in 50% alcohol fraction.
CONCLUSIONS:
WTA and WTB can be separated by D 101 macroporous resin.
