Grape therapy
Treatment course with grape consumption as healing method

Grape therapy or grape diet, also known as ampelotherapy, is a diet that involves heavy consumption of grapes, sometimes with their seeds, leaves and parts of the vine, as a form of alternative medicine. It emerged in German spas such as Bad Duerkheim and Merano in the 19th century. The concept has no scientific basis and is regarded as quackery by scientific institutions including the American Cancer Society.
Background
An assumption of some of grape therapy is that consuming grape constituents would provide unusual therapeutic or nutritional benefits. However, consuming grapes has unknown effects against cardiovascular diseases and other diseases, such as metabolic syndrome. Alternative medicine practitioners have recommended grapes and parts of the vine for treating various diseases, but there is no clinical evidence for any such effects.
Grape pomace contains various micronutrients, but the resulting flour from pomace has variable nutrient contents due to processing, drying, and storage conditions. In a reference amount of 100 g (3.5 oz), raw grapes provide little nutritional benefit, except for moderate amounts of carbohydrates and vitamin K (see grape nutrition).
Proanthocyanidins, anthocyanins and resveratrol extracted from grape seeds and grape skins are under basic research for their possible biological effects. Pomace also contains organic acids (tartaric, malic, citric, tannic), but there is no evidence for health effects from these phytochemicals.
The public source identifies “Grape therapy” as treatment course with grape consumption as healing method. This brief keeps that definition visible, then builds a research path around Grape, therapy and Treatment.
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This entry incorporates text from “Grape therapy” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.