Primulaverin

Primulaverin
Product Name Primulaverin
CAS No.: 154-61-0
Catalog No.: CFN70283
Molecular Formula: C20H28O13
Molecular Weight: 476.4 g/mol
Purity: >=98%
Type of Compound: Phenols
Physical Desc.: Powder
Source: The roots of Primula officinalis
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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    METHODS AND RESULTS:
    An aqueous extract of 20 kg of the dried roots of Primula officinalis Jacq. has been deproteinized, deionized, fermented with bakers' yeast, and fractionated by chromatography on cellulose columns, Dowex 50W-X8 (Ba2+) resin columns, and sheets of filter paper. The following higher-carbon sugars were isolated: D-altro-heptulose (sedoheptulose), D-manno-heptulose, D-allo-heptulose, D-altro-3-heptulose, D-glycero-D-manno-heptose, D-glycero-D-gluco-heptose, D-glycero-D-manno-octulose, D-glycero-L-galacto-octulose, D-erythro-L-gluco-nonulose, and D-erythro-L-galacto-nonulose. Two higher-carbon polyhydric alcohols —volemitol (D-glycero-D-manno-heptitol) and β-sedoheptitol (D-glycero-D-gluco-heptitol)—were also isolated, as well as glycerol, erythritol, xylitol, myo-inositol, D-xylose, and primeverose.
    CONCLUSIONS:
    Of all these substances, only volemitol had previously been isolated from P. officinalis, although primeverose was known to occur there as a constituent of the glycosides primeverin and Primulaverin. In addition, primeverose has been reduced to primeveritol (6-O-β-D-xylopyranosyl-D-glucitol), which was characterized further as the crystalline octaacetate; and the crystalline D-glycero-β-D-gluco-heptose has been converted into the new, crystalline D-glycero-β-D-gluco-heptose hexaacetate.
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