Medicagenic acid
Medicagenic acid, the factor responsible for hemolytic activity of lucerne saponins.Medicagenic acid derivatives exhibit potent fungistatic effects against several plant pathogens and human dermatophytes.
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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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Adv. Exp. Med. Biol. ,1996, 404:535-46.
Saponins as antimycotic agents: glycosides of medicagenic acid.[Pubmed:
8957322]
The continuous search for new antimycotic drugs is a consequence of the broad use of immunosuppressive drugs and broad-spectrum antibiotics, high number of AIDS patients, and widespread dermatophyte infections. The concern with increased resistance due to widespread and prolonged antifungal treatment, particularly with azoles, is noteworthy.
METHODS AND RESULTS:
Our efforts were focused on Medicagenic acid derivatives isolated from alfalfa and on semisynthetic ones. In general, these materials exhibited potent fungistatic effects against several plant pathogens and human dermatophytes. Furthermore, they were fungicidal against medically important yeasts, showing a most impressive activity against Cryptococcus neoformans, the minimal fungicidal concentration (MFC) value of the gluco derivative of Medicagenic acid, compound G2, is 4 micrograms/ml. The mode of action as well as the structure-activity relationships of these compounds were studied. Compound G2, when applied topically, was effective in curing skin lesions of guinea pigs infected with the dermatophyte Trichophyton mentagrophytes and good skin tolerance to the drug was noted. Furthermore, it had a life-prolonging effect on mice infected with C. neoformans and recently, liposomes containing compound G2 were used efficiently as a drug delivery system in treatment of murine cryptococcosis and candidiosis.
