Zedoary Turmeric Oil (ZTO), a volatile oil, was extracted from the dry rhizome of Curcuma phacocaulis Valeton, Curcuma kwangsiensis or Curcuma phaeocaulis Valeton.
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- 莪術(shù)油（Zedoary Turmeric oil）為莪術(shù)中提取的揮發(fā)油，莪術(shù)是姜科植物蓬莪術(shù)（Curcuma phacocaulis Valeton）、 廣西莪術(shù)(Curcurma kwangsiensis ）和溫郁金（Curcuma wenyujin）的干燥根莖。
