25331
A method for determining regioisomer abundances of polyunsaturated triacylglycerols in omega - 3 enriched fish oils using reversed - phase liquid chromatography and triple - stage mass spectrometry .
 polyunsaturated triacylglycerols
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 polyunsaturated triacylglycerols