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Context: It was found that the essential oil of Acorus calamus rhizomes showed insecticidal activity.

Aim: The aim of this study was to determine the chemical composition of the essential oil from A. calamus rhizomes, evaluate insecticidal and repellant activity against Lasioderma serricorne (LS) and Tribolium castaneum (TC), and to isolate any insecticidal constituents from the essential oil.

Materials and Methods: Essential oil from A. calamus was obtained by hydrodistillation and analyzed by gas chromatography (GC) flame ionization detector and GC-mass spectrometry. The insecticidal and repellant activity of the essential oil and isolated compounds was tested using a variety of methods.

Results: The main components of the essential oil were identified to be isoshyobunone (15.56%), β-asarone (10.03%), bicyclo[6.1.0]non-1-ene (9.67%), shyobunone (9.60%) and methylisoeugenol (6.69%). Among them, the two active constituents were isolated and identified as shyobunone and isoshyobunone. The essential oil showed contact toxicity against LS and TC with LD50 values of 14.40 and 32.55 μg/adult, respectively. The isolated compounds, shyobunone and isoshyobunone also exhibited strong contact toxicity against LS adults with LD50 values of 20.24 and 24.19 μg/adult, respectively, while the LD50 value of isoshyobunone was 61.90 μg/adult for TC adults. The essential oil, shyobunone and isoshyobunone were strongly repellent (98%, 90% and 94%, respectively, at 78.63 nL/cm(2), after 2 h treatment) against TC.

Conclusion: The essential oil, shyobunone and isoshyobunone possessed insecticidal and repellant activity against LS and TC.

Titel:	Repellant and insecticidal activities of shyobunone and isoshyobunone derived from the essential oil of Acorus calamus rhizomes.
Autor/in / Beteiligte Person:	Chen, HP ; Yang, K ; Zheng, LS ; You, CX ; Cai, Q ; Wang, CF
Zeitschrift:	Pharmacognosy magazine, Jg. 11 (2015-10-01), Heft 44, S. 675-81
Veröffentlichung:	2023- : [Thousand Oaks] : SAGE Publications ; <i>Original Publication</i>: 2005-<2009> : Bangalore : Phcog.Net, Al-Ameen College of Pharmacy, 2015
Medientyp:	academicJournal
ISSN:	0973-1296 (print)
DOI:	10.4103/0973-1296.165543
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article Language: English [Pharmacogn Mag] 2015 Oct-Dec; Vol. 11 (44), pp. 675-81. References: J Ethnopharmacol. 1990 Feb;28(1):53-62. (PMID: 2314110) ; Phytochemistry. 2005 Mar;66(5):507-14. (PMID: 15721942) ; Annu Rev Entomol. 2010;55:375-97. (PMID: 19737083) ; Annu Rev Entomol. 2006;51:45-66. (PMID: 16332203) ; J Ethnopharmacol. 2001 Jun;76(1):73-6. (PMID: 11378284) ; Phytomedicine. 2001 Jul;8(4):310-22. (PMID: 11515723) ; Molecules. 2010 Dec 20;15(12):9391-402. (PMID: 21173724) ; J Agric Food Chem. 2011 Sep 28;59(18):9910-5. (PMID: 21819085) ; J Ethnopharmacol. 2010 Sep 15;131(2):471-7. (PMID: 20643200) ; Fitoterapia. 2002 Oct;73(6):451-5. (PMID: 12385866) ; Molecules. 2013 May 15;18(5):5684-96. (PMID: 23676474) ; J Ethnopharmacol. 1995 Jul 7;47(2):75-84. (PMID: 7500639) ; Tetrahedron Lett. 1969 Sep;(42):3729-36. (PMID: 5344282) ; Phytomedicine. 2004 Sep;11(6):544-8. (PMID: 15500267) ; Pest Manag Sci. 2008 Jan;64(1):8-11. (PMID: 18022796) ; J Chem Ecol. 1990 Jun;16(6):1911-20. (PMID: 24263994) ; J Agric Food Chem. 2002 Nov 20;50(24):6993-6. (PMID: 12428949) ; Bioresour Technol. 2010 Jan;101(1):372-8. (PMID: 19729299) ; Micron. 2008 Jul;39(5):544-51. (PMID: 17826115) ; J Ethnopharmacol. 2009 Jun 22;123(2):288-92. (PMID: 19429374) ; J Ethnopharmacol. 2009 Feb 25;122(1):149-56. (PMID: 19146941) ; J Agric Food Chem. 2005 Oct 5;53(20):7939-43. (PMID: 16190653) Contributed Indexing: Keywords: Acorus calamus; Lasioderma serricorne; Tribolium castaneum; contact toxicity; repellency Entry Date(s): Date Created: 20151125 Date Completed: 20151125 Latest Revision: 20240324 Update Code: 20240324 PubMed Central ID: PMC4621634

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Repellant and insecticidal activities of shyobunone and isoshyobunone derived from the essential oil of Acorus calamus rhizomes.