22264
After 15days at 0 and 3 degrees C , trans - UCA content increased to 52 . 83 and 189 . 51mg / kg , respectively , and decreased to < 2mg / kg at the other two temperatures .
 Chemical: trans - UCA
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: trans - UCA