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甜菊(Stevia rebaudiana Bertoni)又名甜叶菊,属菊科多年生草本,原产于中南美洲。当地的瓜拉尼人(Guarani)大约从十六世纪起己开始用爽口味甜的甜菊叶作为甜味剂。他们把甜菊称为甜草或巴拉圭甜茶。
Stevia rebaudiana Bertoni, also known as stevia, is a perennial herb of the Asteraceae family and is native to Central and South America. The local Guarani began using sweet and cool stevia leaves as a sweetener since about the 16th century. They refer to stevia as sweet straw or Paraguay sweet tea.