9545
To avoid the traditional and time consuming hydrodistillation , the analyses of volatile components in aerial parts of Echinophora platyloba DC was carried out by a simple microwave distillation followed by headspace single drop microextraction ( MD - HS - SDME ) coupled to gas chromatography - mass spectrometry ( GC - MS ) .
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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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