PRODUCT FUNCTION 1.L - phenylalanine are important food additives - sweetener Aspartame (Aspartame) of the main raw material, the human body essential amino acids in one of the pharmaceutical industry is mainly used for amino acid transfusion and amino acid drugs. 2.L - phenylalanine is human body can't synthesized a kind of essential amino acids. Food industry mainly for Food sweetener aspartame synthesis raw material Whatsapp：+44 7513625534 Threema:4MUUJRH2 Telegram:@iris32157 I’ll reply you as soon as possible!