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The volatile components of Eucommiae foliums were extracted by simultaneous steam distillation-extraction apparatus, and analyzed by combined gas chromatography (GC) and gas chromatography-mass spectrometry(GC-MS). Thirty five components, including 7 alcohols, 3 aldehydes, 4 ketones, 2 esters, 18 hydrocarbons and I phenol were confirmed in Eucommiae foliums. Among total volatiles the main component it appeared to be 2-ethyl furyl acrolein, comprising about 31.4%.
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