A survey on taste sensitivity to phenylthiocarbamide (PTC) in Xibe and Mongol nationalities was carried out in Yili district of Xinjiang, by using the threshold-method and totally 1800 persons (1121 Xibes and 679 Mongols) were investigated.

• 用阈值法对新疆伊犁的锡伯族1121人和蒙古族679人的苯硫脲尝味能力进行了测定；结果表明；锡伯族中味盲率为19.；98%25；味盲基因频率为0