It is one of the eight amino phenols necessary for human body which is absorbed for synthesis of protein in human body. It can be used safely in any food or beverage. In addition to its major use as the main material for aspartame, it is also used for the synthesis of anti-cancer and antivirus medicines, Vitamin B6, foods and feed additives, etc. It is not only an important biological nutriment, but also a material for the synthesis of many medicines. With its stable quality, it can be stored for long term under heat, air or light conditions.