The separation of the Taurine and Determintion of the free amino acids content in BaFeng Amino Acids Oral Liquid with AccQ.Tag mothod was described. The total amino acids contents are more than 8500 mg/100 ml. There were thirteen sorts of free amino acids in this product indicating that the product was made of crystal free amino acids. The ratio of essential amino acids and other amino acids was between 2.20:1and 2.50∶1, the ratio of brench-chain amino acids and sweet-scented amino acids was 2.30--2.55∶1....