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Maté is also known as yerba mate, erva mate, Paraguay tea, St. Bartholomew’s tea or Jesuits tea. The terms refer to the leaves of Ilex paraguarensis St. Hilaire, an evergreen member of the Aquifoliaceae family. The leaves of maté are important natural products from which a tisane (tealike beverage) is made. This beverage is widely consumed throughout South America, particularly Paraguay, Argentina and