11-Oxo-mogroside V
11-Oxo-mogroside V is a natural sweetener, exhibits strong antioxidant activity. It exhibits significant inhibitory effects on reactive oxygen species (O2-, H2O2 and *OH) with EC50 of 4.79, 16.52, and 146.17 μg/mL, respectively. 11-Oxo-mogroside V exhibits the remarkable inhibitory effect on two-stage carcinogenesis test of mouse skin tumor induced by 7,12-dimethylbenz[a]anthracene (DMBA) as an initiator and TPA as a promoter.
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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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Int J Food Sci Nutr. 2007 Nov;58(7):548-56.
The antioxidant activities of natural sweeteners, mogrosides, from fruits of Siraitia grosvenori.[Pubmed:
17852496]
To search for antioxidant agents from natural resources, in this paper the in vitro antioxidant activities of two natural sweeteners, mogroside V and 11-Oxo-mogroside V isolated from the fruits of Siraitia grosvenori, were determined using chemiluminescence (CL).
METHODS AND RESULTS:
The results showed that these sweet glycosides, having cucurbitane triterpenoid aglycon, exhibited significant inhibitory effects on reactive oxygen species (O2-, H2O2 and *OH) and DNA oxidative damage. 11-Oxo-mogroside V showed a higher scavenging effect on O2- (concentration at which 50% of chemiluminescence intensity is inhibited [EC50] =4.79 microg/ml) and H2O2 (EC50 = 16.52 microg/ml) than those of mogroside V. However, mogroside V was more effective in scavenging *OH, with EC50 =48.44 microg/ml compared with that of 11-Oxo-mogroside V (EC50 = 146.17 microg/ml). Further, 11 -oxo-mogroside V exhibited a remarkable inhibitory effect on *OH-induced DNA damage with EC50 = 3.09 microg/ml.
Cancer Lett. 2003 Jul 30;198(1):37-42.
Anticarcinogenic activity of natural sweeteners, cucurbitane glycosides, from Momordica grosvenori.[Pubmed:
12893428]
To search for cancer chemopreventive agents from natural resources, many phytochemicals and food additives have been screened.
METHODS AND RESULTS:
Consequently, two natural sweeteners, mogroside V and 11-Oxo-mogroside V isolated from the fruits of Momordica grosvenori, exhibited strong inhibitory effect on the primary screening test indicated by the induction of Epstein-Barr virus early antigen (EBV-EA) by a tumor promoter, 12-O-tetradecanoylphorbol-13-acetate (TPA).
CONCLUSIONS:
These sweet glycosides, having cucurbitane triterpenoid aglycon, exhibited the significant inhibitory effects on the two-stage carcinogenesis test of mouse skin tumors induced by peroxynitrite (ONOO-) as an initiator and TPA as a promoter. Further, 11-Oxo-mogroside V also exhibited the remarkable inhibitory effect on two-stage carcinogenesis test of mouse skin tumor induced by 7,12-dimethylbenz[a]anthracene (DMBA) as an initiator and TPA as a promoter.
J Atheroscler Thromb. 2002;9(2):114-20.
Sweet elements of Siraitia grosvenori inhibit oxidative modification of low-density lipoprotein.[Pubmed:
12236315]
This study examined the ability of sweet elements extracted from Siraitia grosvenori (SG) to inhibit the oxidation of LDL.
METHODS AND RESULTS:
We monitored the formation of conjugated diene during copper-mediated LDL oxidation in the presence or absence of sweet elements of whole extract of SG (SG extract) or cucurbitane glycosides (CGs) purified from SG extract as sweet elements. CGs consist of Mogroside IV (Mog.IV), Mogroside V (Mog.V), 11-Oxo-mogroside V (11-Oxo-mog.V), and Siamenoside I (Sia.I). In addition, the effect of these elements on human umbilical vein endothelial cell (HUVEC)- mediated LDL oxidation was tested by measuring production of lipid peroxides. SG extract inhibited copper-mediated LDL oxidation in a dose-dependent fashion, but neither glucose nor erythritol suppressed the oxidation. Among CGs, 11-Oxo-mog.V significantly inhibited LDL oxidation, and prolongation of the lag time during LDL oxidation by 11-Oxo-mog.V was dose-dependent. The lag time (119.7 +/- 8.9 min) in the presence of 200 microM 11-Oxo-mog.V was significantly longer than that (76.8 +/- 5.5 min) of control (p < 0.01). In addition, SG extract and 11-Oxo-mog.V inhibited HUVEC-mediated LDL oxidation in a dose-dependent manner.
CONCLUSIONS:
These results demonstrate that SG extract can inhibit LDL oxidation and that 11-Oxo-mog.V, a sweet element of SG extract, provides the anti-oxidative property of SG which might reduce the atherogenic potential of LDL.
