Gypenoside A

Gypenoside A
Product Name Gypenoside A
CAS No.: 157752-01-7
Catalog No.: CFN93197
Molecular Formula: C46H74O17
Molecular Weight: 899.08 g/mol
Purity: >=98%
Type of Compound: Triterpenoids
Physical Desc.: Powder
Source: The herbs of Gynostemma pentaphyllum (Thunb.) Makino.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Price:
Reference standards.
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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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    Zhong Yao Cai. 1997 Aug;20(8):398-400.
    Determination on the glycosyl sequence of gypenoside A by TLC-FABMS.[Pubmed: 12572416]

    METHODS AND RESULTS:
    The glycosyl sequence of Gypenoside A (A) isolated from Gynostemma pentaphyllum Makino was determinated by TLC-FABMS. The Gypenoside A was hydrolysed with cellulase and the hydrolysate showed eight spots on a TLC plate, and the FABMS analysis of these spots indicated they corresponded to Gypenoside A, A-Rham, A-Glu, A-Rham-Glu, A-Rham-Glu, A-Glu-Glu, A-Rham-2Glu, A-Rham-2Glu in order. Two chains can be determined to be Rham-Glu, and Glu-Glu, respectively.
    CONCLUSIONS:
    So the glycosyl sequence of Gypenoside A was identical of gypenoside XLIII.
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