However, only 29 samples were contaminated with ZEN at fairly low amount of 0.3-228ppb, and there were 3 samples over 100ppb, the allowable limit of China National Food and Drug Standard.

• 共有29个样品检测出ZEN；含量范围在0.；3-228 ppb；其中3个样品的ZEN含量超过国家限量标准100ppb。