One sweetener approved for use in the US, advantame, is 20,000 times sweeter than sugar.
美国批准使用的一种甜味剂——安芳糖,比糖甜 2 万倍。
英语百科
Advantame
Advantame is a non-caloric sweetener from Japan's Ajinomoto Co. The U.S. Food and Drug Administration has approved advantame for general use in foods and beverages except meat and poultry as a food additive. It is synthesized from isovanillin and aspartame.