Luo Han Guo Extract

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Type Herbal Extract Variety Luo Han Guo Extract Form Powder Part fruit Extraction Type Water/Grain ALcohol Packaging Bottle, Drum, Plastic Container, Vacuum Packed Place of Origin Hunan, China (Mainland) Grade First grade Brand Name OHI Active Ingredient: Mogroside Specification: 80% Test Method:HPLC Appearance:Milk white powdered extract Luo Han Guo Uses and Pharmacology Sweetener Fruits of luo han guo are intensely sweet, with the purified constituents estimated to be about 150 times sweeter than sucrose. There is potential for use as a noncaloric sweetener. The purified, sweet principle, mogroside V, is approved as a high intensity sweetening agent in Japan. Highly sweet cucurbitane glycosides from the fruits of luo han guo, and other plant extracts, were evaluated for sweetness using electrophysiological and behavioral testing in gerbils. Gerbils trained to avoid sucrose identified the extracts as being sweet through avoidance. Another study in gerbils showed that mogroside V stimulated the gustatory receptors and induced behavioral responses to the compound's sweet taste. Hypoglycemic In addition to its natural sweetening characteristic, luo han guo has exhibited antihyperglycemic effects. In rats, crude extracts of S. grosvenori and the triterpene glycosides inhibited a rise in postprandial blood glucose levels when given orally 3 minutes prior to oral administration of maltose. The suggested antihyperglycemic effect was via the inhibition of maltase. Antioxidant S. grosvenori extract and the cucurbitane glycosides mogroside IV, mogroside V, 11oxomogroside V, and siamenoside I inhibited copper mediated, low density, lipoprotein and cell mediated, low density lipoprotein oxidation in a dose dependent fashion, with 11 oxo mogroside V as the most active component. The antioxidant, free radical scavenging activities of the extract and 11 oxo mogroside V were less than those of vitamin E in the same in vivo study. Antineoplastic In vitro and animal studies suggest potential cancer chemopreve ntive activities of cucurbitane glycosides and related compounds from the fruit of luo han guo. An ethanol extract of S. grosvenori was evaluated for its effect on Epstein Barr virus early antigen (EBV EA) activation as a method of detecting chemoprotective activity. The extract inhibited activation of EBV EA at a level similar to or greater than the activity of beta carotene.In a similar study, 11 oxo mogroside V and mogroside V showed strong inhibitory effects. A 2 stage skin carcinogenesis model in mice ingesting mogroside V or 11 oxomogroside V showed delayed development and reduced numbers of papillomas at 10 and 15 weeks, respectively, compared with control group animals. Inhibitory effects of mogroside V and 11 oxo mogroside V on another skin carcinogenesis model in mice using peroxynitrite also showed a reduction in numbers of papillomas formed and delayed papilloma development. Antihistaminic The effect of luo han guo extract and its glycosides on allergic symptoms in mice were studied. No effect on skin scratching behavior or nasal rubbing was noted following single doses of 300 and 1,000 mg/kg, respectively, of the extract or the glycosides.Repeated daily doses of 300 and 1,000 mg/kg/day between 2 and 4 weeks of the extract and the glycosides showed gradual inhibition of nasal rubbing and skin scratching.

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ChangSha Organic Herb Inc.

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