Mogroside II-A1
Mogroside II-A1 exhibits inhibitory effects with IC50 values of 346-400 mol ratio/32 pmol TPA. and shows weak inhibitory effects on activation of (+/-)-(E)-methyl-2-[(E)-hydroxyimino]-5-nitro-6-methoxy-3-hexemide (NOR 1), a nitric oxide (NO) donor.
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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.
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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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J Nat Prod. 2007 May;70(5):783-8.
Cucurbitane glycosides from the fruits of Siraitia gros venorii and their inhibitory effects on Epstein-Barr virus activation.[Pubmed:
17477572 ]
METHODS AND RESULTS:
Six new cucurbitane glycosides, mogroside II B (2), 11-deoxymogroside III (4), 7-oxomogroside II E (5), 7-oxomogroside V (6), 11-oxomogroside II A1 (7), and 11-oxomogroside IV A (8), and two known but new naturally occurring cucurbitane glycosides, Mogroside II-A1 (1) and mogroside-III A2 (3), were isolated from an ethanol extract of the fruits of Siraitia grosvenorii.
CONCLUSIONS:
Upon evaluation of compounds 1-8 for inhibitory effects against the Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA), all compounds exhibited inhibitory effects with IC50 values of 346-400 mol ratio/32 pmol TPA. In addition, compounds 1-8 showed weak inhibitory effects on activation of (+/-)-(E)-methyl-2-[(E)-hydroxyimino]-5-nitro-6-methoxy-3-hexemide (NOR 1), a nitric oxide (NO) donor.
