25067
A portable ultra - fast gas - chromatograph coupled with a surface acoustic wave sensor ( UFGC - SAW ) was also used to monitor aroma volatile concentrations during fruit ripening and evaluated for its ability to predict the sensory perception of melon flavour .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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