“Suxiao Jiuxin Pill is a compound Chinese traditional medicine. The main components of Suxiao Jiuxin Pill include the major components extracted from Ligusticum Chuanxiong Hort, that is, tetramethylpyrazine (TMP, Ligustrazine, or Chuan-Xiong-Qin), and borneol (Borneolum Syntheticum or Bing Pian). The average recoveries of TMP and borneol were 87.38% and 97.32% [9]. In addition, five metal elements including calcium, magnesium, iron, copper, and zinc in Suxiao Jiuxin Pill are comparatively rich [10].”