15650
A fully - automated and validated analytical method , based on Headspace Solid Phase Microextraction ( HS - SPME ) coupled with Gas Chromatography - Mass Spectrometric detection ( GC - MS ) , for effective off - line monitoring of changes in the volatile profile of high - quality hazelnuts was developed .
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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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