Journal
JOURNAL OF SEPARATION SCIENCE
Volume 38, Issue 22, Pages 3825-3831Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201500739
Keywords
Gastrodia Rhizoma; Fingerprint; Multivariate statistical analysis; Quality evaluation; Sulfur fumigation
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Funding
- National Science and Technology Major Project of China [201307008]
- State Commission of Science Technology of China [2012ZX09304005-002]
- priority Academic Program Development of Jiangsu Higher Education Institution [2011ZYX2-003]
- National Natural Science Foundation of China [81303223]
- Natural Science Research Project of Jiangsu Higher Education Institution [13KJB360012]
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Gastrodia Rhizoma is a Traditional Chinese Medicine applied in the treatment of stroke, numbness of limb, headache and dizziness. However, its clinical effect is threatened by sulfur-fumigation used in the process of storage. This article employs content determination coupled with high-performance liquid chromatography fingerprint to investigate the effect of sulfur-fumigation on Gastrodia Rhizoma so as to evaluate the quality of Gastrodia Rhizoma. The result was that most active ingredient in Gastrodia Rhizoma decreased after sulfur-fumigation and the fingerprints analyzed by mathematical statistics between sulfur-fumigated Gastrodia Rhizoma and unfumigated Gastrodia Rhizoma have substantial differences, which reveals that sulfur-fumigation has a significant influence on the quality of Gastrodia Rhizoma. The conclusion of hierarchical clustering analysis, principal component analysis and partial least squares could validate each other, which implies that the method of mathematical statistics applied for assessing the quality of Gastrodia Rhizoma is effective and stable. The method not only affords a viable strategy for distinguishing Gastrodia Rhizoma whether sulfur-fumigated or not and assessment of the quality of Gastrodia Rhizoma, but also provides a reference for other herbal medicine that suffers from sulfur-fumigation.
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