Journal
JOURNAL OF SEPARATION SCIENCE
Volume 39, Issue 24, Pages 4773-4780Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201600574
Keywords
Atractylodes rhizome; Essential oils; Multicomponent analysis; Principal component analysis; Traditional Chinese medicine
Categories
Funding
- National Science Foundation of China [81274072, 81473346, 81673593]
- Important New Drug Research Project of the Ministry of Science and Technology of China [2014ZX09304307-002]
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Atractylodes rhizome is a valuable traditional Chinese medicinal herb that comprises complex several species whose essential oils are the primary pharmacologically active component. Essential oils of Atractylodes lancea and Atractylodes koreana were extracted by hydrodistillation, and the yield was determined. The average yield of essential oil obtained from A. lancea (2.91%) was higher than that from A. koreana (2.42%). The volatile components of the essential oils were then identified by a gas chromatography with mass spectrometry method that demonstrated good precision. The method showed clear differences in the numbers and contents of volatile components between the two species. 41 and 45 volatile components were identified in A. lancea and A. koreana, respectively. Atractylon (48.68%) was the primary volatile component in A. lancea, while eudesma-4(14)-en-11-ol (11.81%) was major in A. koreana. However, the most significant difference between A. lancea and A. koreana was the major component of atractylon and atractydin. Principal component analysis was utilized to reveal the correlation between volatile components and species, and the analysis was used to successfully discriminate between A. lancea and A. koreana samples. These results suggest that different species of Atractylodes rhizome may yield essential oils that differ significantly in content and composition.
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