Fig. 2. Chromatograms of mixed amino acid STD and pharmacopuncture extracted from centipedes by using derivatization methods.

STD, standard; ASP, aspartate; GLU, glutamate; ASN, asparagine; HIS, histidine; GLY, glycine; THR, threonine; ARG, arginine; ALA, alanine; TYR, tyrosine; CY2, cystine; VAL, valine; MET, methionine; PHE, phenylalanine; ILE, isoleucine; LEU, leucine; LYS, lysine.