12798
Its head - space aroma displayed new volatile phytomolecules and also had higher levels of green volatiles from the lipoxygenase ( LOX ) - pathway ( one having as precursors the polyunsaturated fatty acids containing a cis - cis - 1 , 4 - pentadiene system ) .
 Chemical: polyunsaturated fatty acids; Chemical: cis - cis - 1 , 4 - pentadiene
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: polyunsaturated fatty acids; Chemical: cis - cis - 1 , 4 - pentadiene