The estimation of tryptophan.
D003124:Colorimetry; D005396:Fish Products / Q000032:analysis; D005504:Food Analysis; D008460:Meat / Q000032:analysis; D009754:Nuts / Q000032:analysis; D014364:Tryptophan / Q000032:analysis*; D015003:Yeasts / Q000032:analysis
D014364:Tryptophan