| http://www.w3.org/ns/prov#value | - Phenolic and polyphenolic compounds are found widely in nature: in cereals, legumes, nuts, oilseeds, plant oils, fruits, vegetables, tea, coffee, cocoa, beer, wine, herbal products, such as Echinacea, ginseng, gingko biloba, St. John's wort, valerian, hawthorne, ginger, licorice, milk thistle, goldenseal, devil's claw, black cohosh, saw palmetto, and kava kava, for example.
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