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This study evaluated the larvicidal activity of Origanum majorana Linnaeus essential oil, identified the chemical composition, evaluated the antimicrobial, cytotoxic and antioxidant potential. The larvicidal activity was evaluated against larvae of the third stage of Aedes aegypti Linaeus, whereas the chemical composition was identified by gas chromatography coupled to mass spectrometer, the antimicrobial activity was carried out against the bacteria Pseudomonas aeruginosa, Escherichia coli and Staphylococcus auereus, the antioxidant activity was evaluated from of 2.2-diphenyl-1-picryl-hydrazila sequestration and Artemia salina Leach cytotoxicity. Regarding to the results, the larvicidal activity showed that O. majorana L. essential oil caused high mortality in A. aegypti L. larvae. In the chromatographic analysis, the main component found in O. majorana L. essential oil was pulegone (57.05%), followed by the other components verbenone (16.92%), trans-p-menthan-2-one (8.57%), iso-menthone (5.58%), piperitone (2.83%), 3-octanol (2.35%) and isopulegol (1.47%). The antimicrobial activity showed that E. coli and P. aeruginosa bacteria were more sensitive to oil than S. aureus, which was resistant at all concentrations. Essential oil did not present antioxidant activity, but it has high cytotoxic activity against A. salina L.

Competing Interests: The authors have declared that no competing interests exist.

Titel:	Evaluation of larvicidal potential against larvae of Aedes aegypti (Linnaeus, 1762) and of the antimicrobial activity of essential oil obtained from the leaves of Origanum majorana L.
Autor/in / Beteiligte Person:	Chaves, RDSB ; Martins, RL ; Rodrigues, ABL ; Rabelo, ÉM ; Farias, ALF ; Brandão, LB ; Santos, LL ; Galardo, AKR ; de Almeida SSMDS
Link:	Full Text Finder (Volltext)
Zeitschrift:	PloS one, Jg. 15 (2020-07-17), Heft 7, S. e0235740
Veröffentlichung:	San Francisco, CA : Public Library of Science, 2020
Medientyp:	academicJournal
ISSN:	1932-6203 (electronic)
DOI:	10.1371/journal.pone.0235740
Schlagwort:	Animals Anti-Bacterial Agents chemistry Antioxidants pharmacology Bacteria growth & development Escherichia coli drug effects Escherichia coli growth & development Plant Leaves chemistry Pseudomonas aeruginosa drug effects Pseudomonas aeruginosa growth & development Staphylococcus aureus drug effects Staphylococcus aureus growth & development Aedes drug effects Anti-Bacterial Agents pharmacology Bacteria drug effects Insecticides pharmacology Larva drug effects Oils, Volatile pharmacology Origanum chemistry
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Evaluation Study; Journal Article; Research Support, Non-U.S. Gov't Language: English [PLoS One] 2020 Jul 17; Vol. 15 (7), pp. e0235740. <i>Date of Electronic Publication: </i>2020 Jul 17 (<i>Print Publication: </i>2020). MeSH Terms: Aedes / drug effects ; Anti-Bacterial Agents / pharmacology ; Bacteria / drug effects ; Insecticides / pharmacology ; Larva / drug effects ; Oils, Volatile / pharmacology ; Origanum / *chemistry ; Animals ; Anti-Bacterial Agents / chemistry ; Antioxidants / pharmacology ; Bacteria / growth & development ; Escherichia coli / drug effects ; Escherichia coli / growth & development ; Plant Leaves / chemistry ; Pseudomonas aeruginosa / drug effects ; Pseudomonas aeruginosa / growth & development ; Staphylococcus aureus / drug effects ; Staphylococcus aureus / growth & development References: Pest Manag Sci. 2012 Oct;68(10):1380-4. (PMID: 22689540) ; Parasitol Res. 2013 Dec;112(12):4267-72. (PMID: 24100604) ; Chemosphere. 2014 Jun;104:37-43. (PMID: 24275151) ; J Econ Entomol. 2009 Jun;102(3):1197-202. (PMID: 19610438) ; Nature. 2013 Apr 25;496(7446):504-7. (PMID: 23563266) ; Environ Sci Pollut Res Int. 2016 Apr;23(8):7324-37. (PMID: 26681329) ; Parasitol Res. 2014 Feb;113(2):565-92. (PMID: 24265058) ; Rev Bras Epidemiol. 2017 May;20Suppl 01(Suppl 01):205-216. (PMID: 28658384) ; PeerJ. 2018 Nov 1;6:e5476. (PMID: 30402343) ; Med Trop (Mars). 2009 Apr;69(2):160-4. (PMID: 19545042) ; Food Microbiol. 2008 Feb;25(1):207-11. (PMID: 17993397) ; Science. 2001 Mar 16;291(5511):2141-4. (PMID: 11251117) ; Phytomedicine. 2005 Mar;12(3):241-6. (PMID: 15830848) ; Mem Inst Oswaldo Cruz. 2004 Aug;99(5):541-4. (PMID: 15543421) ; Rev Saude Publica. 2016 Jun 27;50:. (PMID: 27355468) ; Microb Ecol Health Dis. 2015 May 06;26:26543. (PMID: 25952773) ; Molecules. 2012 Apr 02;17(4):3989-4006. (PMID: 22469594) ; Nat Prod Res. 2018 Mar;32(6):682-688. (PMID: 28595460) ; PLoS One. 2018 Aug 1;13(8):e0200902. (PMID: 30067803) ; J Evid Based Complementary Altern Med. 2017 Jan;22(1):175-185. (PMID: 27231340) ; J Microbiol Methods. 2010 May;81(2):187-93. (PMID: 20302890) ; J Ethnopharmacol. 2004 Sep;94(1):43-8. (PMID: 15261961) ; Phytochemistry. 2008 May;69(8):1732-8. (PMID: 18417176) ; Bull Soc Pathol Exot. 2014 Aug;107(3):194-8. (PMID: 24827876) ; Parasitol Res. 2010 Jul;107(2):327-35. (PMID: 20405142) ; Cad Saude Publica. 2004 Sep-Oct;20(5):1424-31. (PMID: 15486688) ; Toxicol Ind Health. 2013 Mar;29(2):142-8. (PMID: 22173956) ; Food Addit Contam. 2005 Mar;22(3):197-203. (PMID: 16019787) ; Chem Biodivers. 2010 Jul;7(7):1681-97. (PMID: 20658657) ; Food Chem. 2018 Sep 30;261:75-86. (PMID: 29739608) ; Molecules. 2010 Aug 19;15(8):5734-41. (PMID: 20724962) ; PLoS One. 2013 Jul 10;8(7):e68808. (PMID: 23874773) ; Molecules. 2010 Nov 03;15(11):7792-814. (PMID: 21060289) ; Southeast Asian J Trop Med Public Health. 2005 Nov;36(6):1412-22. (PMID: 16610643) ; Epidemiol Serv Saude. 2016 Apr-Jun;25(2):391-404. (PMID: 27869956) ; Int J Food Microbiol. 2015 Nov 20;213:99-109. (PMID: 26116419) ; Br J Nutr. 2012 Sep 28;108(6):1059-68. (PMID: 22172207) ; Eur J Dent. 2013 Sep;7(Suppl 1):S071-S077. (PMID: 24966732) ; Molecules. 2018 Sep 27;23(10):. (PMID: 30262744) ; Int J Food Microbiol. 2004 Aug 1;94(3):223-53. (PMID: 15246235) ; Meat Sci. 2014 Jan;96(1):514-20. (PMID: 24012976) Substance Nomenclature: 0 (Anti-Bacterial Agents) ; 0 (Antioxidants) ; 0 (Insecticides) ; 0 (Oils, Volatile) Entry Date(s): Date Created: 20200718 Date Completed: 20200910 Latest Revision: 20231111 Update Code: 20240513 PubMed Central ID: PMC7367459

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Evaluation of larvicidal potential against larvae of Aedes aegypti (Linnaeus, 1762) and of the antimicrobial activity of essential oil obtained from the leaves of Origanum majorana L.