Medical research has shown that ginger root is an effective treatment for nausea caused by motion sickness or other illness. Although very effective against all forms of nausea, PDR health officials do not recommend taking ginger root for morning sickness commonly associated with pregnancy. Ginger root also contains many antioxidants. Powdered dried ginger root is made into pills for medicinal use. Chinese women traditionally eat ginger root during pregnancy to combat morning sickness. Ginger ale and ginger beer have been recommended as "stomach settlers" for generations in countries where the beverages are made. Ginger water was commonly used to avoid heat cramps in the United States in the past.
Ginger has also been commonly used to treat inflammation, although medical studies as to the efficacy of ginger in decreasing inflammation have shown mixed results. It may also have blood thinning and cholesterol lowering properties, making it effective in treating heart disease; while early studies have shown some efficacy, it is too early to determine whether further research will bear this out.
The chacteristic odor and flavor of ginger root is caused by a mixture of zingerone, shoagoles and gingerols, volatile oils that compose about 1%–3% by weight of fresh ginger. The gingerols have analgesic, sedative, antipyretic, antibacterial, and GI tract motility effects.
Ginger is on the GRAS list from FDA. However, like other herbs, ginger may be harmful because it may interact with other medications, such as warfarin; hence, a physician or pharmacist should be consulted before taking the herb as a medicinal agent or on a long-term basis. Ginger is also contraindicated in people suffering from gallstones, because the herb promotes the release of bile from the gallbladder.
source : hydroponicsearch
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