Licoricesaponin E2
Licoricesaponin E2 displayed the inhibition on the growth of cancer cells with IC50 at 18.3-41.6 umol/L, it could significantly increase the cytotoxic activity after hydrolysis.
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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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Chemical constituents of triterpenoid saponins from Glycyrrhiza uralensis.[Reference:
WebLink]
To study the chemical constituents from the roots and rhizomes of Glycyrrhiza uralensis.
METHODS AND RESULTS:
The compounds were separated and purified by solvent and chromatographic methods. Their structures were identified by spectroscopic techniques. Fourteen triterpenoid saponins isolated from 50% ethanol extract of the roots and rhizomes of G. uralensis were identified as uralsaponin C (1), uralsaponin D (2), licorice-saponin A3 (3), uralsaponin F (4), 22β-acetoxyl-glycyrrizin (5), 24-hydroxyl-licorice-saponin E2 (6), Licoricesaponin E2 (7), licorice-saponin G2 (8), 22β-acetoxyl-glyrrhaldehyde (9), 3β-O-[β-D-glucuronopyranosyl-(1→2) - β-D-glucuronopyranosyl]-glycyrretol (10), araboglycyrrhizin (11), licorice-saponin J2 (12), glycyrrhizin (13), and glycyrrhetic acid monoglucuronide (14). Compounds 1-14 showed the cytotoxic activity against the human cancer cell lines MGC-803, SW620, and SMMC-7721 with IC50 > 100 μmol/L. The aglycones of compounds 2, 6-8, and 13 displayed the inhibition on the growth of cancer cells with IC50 at 18.3-41.6 μmol/L.
CONCLUSIONS:
Compound 14 is a new natural product, and compound 11 is isolated from the plant for the first time; Compounds 1-14 show no cytotoxic activity against the human cancer cell lines MGC-803, SW620, and SMMC-7721, and the aglycones of compounds 2, 6-8, and 13 could significantly increase the cytotoxic activity after hydrolysis.
