25127
Under the optimal conditions , the limits of detection ( S / N = 3 ) of porcine , chicken and fish muscles were 0 . 1 , 0 . 3 , 0 . 1 mu g / kg for QCA and 0 . 2 , 0 . 3 , 0 . 1 mu g / kg for MQCA , respectively and good recoveries were obtained in the range from 60 . 0 to 119 . 4 % .
 Chemical: QCA; Chemical: MQCA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: QCA; Chemical: MQCA