Document Detail

Antimite activity of essential oils and their constituents from Taiwania cryptomerioides.
MedLine Citation:
PMID:  11372974     Owner:  NLM     Status:  MEDLINE    
Antimite activity of essential oils and their components obtained from Taiwania cryptomerioides Hayata heartwood against Dermatophagoides pteronyssinus (Trouessart) and Dermatophagoides farinae Hughes was investigated in this study. Results from antimite tests demonstrated that the essential oil extracted from T. cryptomerioides heartwood had miticidal activity against D. pteronyssinus and D. farinae with a mortality of 67.0 and 36.7% at the dosage of 12.6 microg/cm2 after 48 h. Alpha-cadinol possessed the strongest antimite activity compared with other components of the T. cryptomeioides heartwood essential oil. The rectified mortalities of D. pteronyssinus and D. farinae were 100% for alpha-cadinol at the dosage of 6.3 microg/cm2. The order of antimite activity of four dominant constituents was alpha-cadinol > T-muurolol > ferruginol > T-cadinol. Paired Student's t-tests showed that there were significant differences between the rectified mortality of alpha-cadinol, T-muurolol, ferruginol and that of T-cadinol at the dosage of 6.3 microg/cm2 after 48 h.
S T Chang; P F Chen; S Y Wang; H H Wu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of medical entomology     Volume:  38     ISSN:  0022-2585     ISO Abbreviation:  J. Med. Entomol.     Publication Date:  2001 May 
Date Detail:
Created Date:  2001-05-24     Completed Date:  2001-07-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375400     Medline TA:  J Med Entomol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  455-7     Citation Subset:  IM    
Department of Forestry, National Taiwan University, Taipei.
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MeSH Terms
Molecular Structure
Oils, Volatile* / chemistry
Plant Oils* / chemistry
Tick Control / methods*
Trees / chemistry
Reg. No./Substance:
0/Oils, Volatile; 0/Plant Oils

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