Tetrachyrin
Standard reference
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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.
Ann Transl Med.2019, 7(23):731
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Fitoterapia. 2001 Nov;72(7):854-6.
Constituents from aerial parts of Wedelia paludosa.[Pubmed:
11677034 ]
METHODS AND RESULTS:
Tetrachyrin (1), 3alpha-tigloyloxykaur-16-en-19-oic acid (2) and 3alpha-cinnamoyloxykaur-16-en-19-oic acid (3) have been isolated from the ethanol extract of Wedelia paludosa aerial parts.
Northwest Pharmaceutical Journal, 2013 (5) :447-449.
Studies on the chemical constituents of Myripnois dioica Bunge(Ⅱ)[Reference:
WebLink]
To study the chemical constituents of the aerial parts of Myripnois dioica Bunge.
METHODS AND RESULTS:
The chemical constituents from ethyl acetate fraction were isolated by silica gel and Sephadex LH-20column chromatography.Their structures were elucidated basing on the spectral analysis.5compounds were isolated from this plant.They were ent-kaur-16-en19-oic acid(1),16α,17-dihydroxy-ent-kaurance(2),Tetrachyrin(3),kaurenolide(4),ent-3β,19-dihydroxykaur-16-ene(5).
CONCLUSIONS:
Compounds 1-5 have been isolated from this plant for the first time.
