由于近年来人工甜味剂的安全性引起了人们普遍的怀疑,所以,食品研究人员把注意力从试验室移向大自然,希望能找到一种合适的天然甜味剂.虽然陆续找到了一些像甘草、罗汉果、非州浆果等一些含有天然甜味剂的植物,但品质、种植、提取等方面都不够理想.永不满足自己成绩的科学家们,在七十年代初,又发现了南美土著民族印第安人自古以来就食用的一种—— Due to the widespread suspicion of the safety of artificial sweeteners in recent years, food researchers have shifted their attention from the lab to nature in the hope of finding a suitable natural sweetener. Some plants that contain natural sweeteners such as licorice, Luo Han Guo, non-state berries are not ideal for quality, cultivation, extraction, etc. Scientists who never meet their own accomplishments discovered the indigenous people of South America in the early 1970s Ethnic Indians have eaten since ancient times -