Momordin IIa
Momordin IIa is a natural product from Momordica cochinchinensis.
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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, 1988 , 27 (11) :3585-3591.
Saponins from roots of Momordica cochinchinensis[Reference:
WebLink]
METHODS AND RESULTS:
Ten minor saponins, momordin Ia, momordin Ib, Imomordin Ic, momordin Id, momordin Ie and Momordin IIa, momordin IIb, momordin IIc, momordin IId, momordin IIe, were isolated from the root of Momordica cochinchinensis, along with the known major saponins, momordin I and momordin II. Their structures were established on the basis of chemical and spectroscopic analysis. The structures of the two new saponins were assigned as 3β-{([O-β-d-xylopyranosyl-(1→2)-O-β-d-xylopyranosyl-(1→3)]-O-β-d-glucopyranuronosyl)oxy}-olean-12-ene-28-oic acid for momordin Id and momordin Id-28-β-d-glucopyranosyl ester for momordin IId.
CONCLUSIONS:
It was confirmed that the genuine saponin present in the root was not the monodesmoside but the bisdesmoside, though the former is the major component in the dry root.
