The taste threshold for Phenylthiourea among 2034 cases (998 cases for Mongolian, 1036 cases for Han) in Inner Mongolia region were determined by means of Harris-Kalmus~1 modified threshold.

• 本文采用Harris和Kalmus改良阈值法测定了内蒙古地区2034例(蒙古族998例,汉族1036例)苯硫脲尝味阈值。