Sventenic acid
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.
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Phytochemistry.1990; 29(2):591-593.
Diterpenes from Sideritis sventenii and S. cystosiphon.[Reference:
WebLink]
METHODS AND RESULTS:
The new diterpenes, 7β-monoacetate of episinfernal, 7β-monoacetate of sideritriol, and Sventenic acid, have been isolated from Sideritis sventenii. From S. cystosiphon, three new diterpenic esters, the 7β-acetate, 18-palmitate of epicandicandiol, the 18-acetate of epicandicandiol, and the 7β,17-diacetate of sideritriol, have been obtained.
Modern Chinese Medicine, 2013 , 15 (4) :274-277.
Studies on the Chemical Constituents of Rabdosia excisa.[Reference:
WebLink]
To study the chemical constituents of the aerial parts of Rabdosia excisa.
METHODS AND RESULTS:
The compounds were isolated and purified by silica gel column chromatography and their structures were established on the basis of modern spectroscopic analysis. 9 compounds isolated from the aerial parts of this plant were identified as: dayecrystal A (1), acetylSventenic acid (2), Sventenic acid (3), trichokaurin (4), maoyerabdosin (5),pedalitin (6),syringic acid (7), β-sitosterol (8) and daucosterol (9).
CONCLUSIONS:
It is the frist time that compound 1, 2, 3, 4 and 5 were isolated from Rabdosia excisa.
