26526
Impact of ( + ) - catechin and gallic acid on sensory perception and volatility of isoamyl acetate , ethyl isobutyrate , ethyl butyrate and ethyl octanoate was investigated in model solutions , by means of triangle tests , detection threshold determination and HS - GC - MS analyses .
 Chemical: ( + ) - catechin; Chemical: gallic acid; Chemical: isoamyl acetate; Chemical: ethyl isobutyrate; Chemical: ethyl butyrate; Chemical: ethyl octanoate
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: ( + ) - catechin; Chemical: gallic acid; Chemical: isoamyl acetate; Chemical: ethyl isobutyrate; Chemical: ethyl butyrate; Chemical: ethyl octanoate