Study on ingredients of essential oils of Curcuma wenyujin extracted by supercritical-CO2 fluid extraction and steam distillation / 中国中药杂志

<p><b>OBJECTIVE</b>To compare the ingredients of essential oils of Curcuma wenyujin extracted by supercritical-CO2 fluid extraction and by steam distillation.</p><p><b>METHOD</b>GC-MS was applied in this experiment.</p><p><b>RESULT</b>The ingredients and physical and chemical properties of essential oils of C. wenyujin extracted by supercritical-CO2 fluid extraction and by steam distillation are similar.</p><p><b>CONCLUSION</b>Supercritical-CO2 fluid extraction is better than steam distillation in extraction time, power consumption, recovery and purity.</p>