Parisaponin I
Parisaponin I is a natural product from Paris yunnanensis Franch.
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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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《Journal of Jinan University(Natural Science & Medicine Edition)》 2014-01
Chemical constituents of Paris polyphylla var. yunnanensis[Reference:
WebLink]
The chemical constituents of Paris polyphylla var. yunnanensis were isolated by several chromatographic methods,including silica gel,Sephadex LH-20,ODS CC and preparation HPLC.
METHODS AND RESULTS:
Thirteen compounds were obtained from the 30% ethanol eluting fraction of macroporous resin and their structures were elucidated by their spectral data and physicochemical properties,which were identified as calonysterone( 1),glycoside St-J( 2),methyl ester of glycoside St-J( 3),cussonoside B( 4),methyl 3, 4-dihydroxybenzoate( 5),α-ecdysone( 6),20-hydroxyecdysone( 7),pinnatasterone( 8),polyphyllin H( 9),polyphyllin Ⅶ( 10),Parisaponin I( 11),parisyunnanoside B( 12),polyphyllin Ⅱ( 13).
Among them,compounds 1- 5 were obtained from the genus Paris for the first time,and 1- 6 were isolated from this plant for the first time.
Bioorg Med Chem Lett. 2003 Mar 24;13(6):1101-6.
Protective effects of steroid saponins from Paris polyphylla var. yunnanensis on ethanol- or indomethacin-induced gastric mucosal lesions in rats: structural requirement for activity and mode of action.[Reference:
WebLink]
METHODS AND RESULTS:
A new furostanol-type steroid saponin, Parisaponin I (5), together with two known furostanol-type steroid saponins, trigofoenoside A (6) and protogracillin (7), were isolated from the active fraction.
