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Plant tissues may show chemical changes following damage. This possibility was analyzed for Minthostachys mollis, a Lamiaceae native to Central Argentina with medicinal and aromatic uses in the region. Effects of mechanical damage on its two dominant monoterpenes, pulegone and menthone, were analyzed by perforating M. mollis leaves and then assessing essential oil composition at 24, 48, and 120 hr; emission of volatiles was also measured 24 and 48 hr after wounding. Mechanical damage resulted in an increase of pulegone and menthone concentration in M. mollis essential oil during the first 24 hr. These changes did not occur in the adjacent undamaged leaves, suggesting a lack of systemic response. Postwounding changes in the volatiles released from M. mollis damaged leaves were also detected, most noticeably showing an increase in the emission of pulegone. Inducible chemical changes in aromatic plants might be common and widespread, affecting the specific compounds on which commercial exploitation is based.

Titel:	Effects of mechanical wounding on essential oil composition and emission of volatiles from Minthostachys mollis.
Autor/in / Beteiligte Person:	Banchio, E ; Zygadlo, J ; Valladares, GR
Zeitschrift:	Journal of chemical ecology, Jg. 31 (2005-04-01), Heft 4, S. 719-27
Veröffentlichung:	New York, NY : Springer ; <i>Original Publication</i>: New York, Plenum Press., 2005
Medientyp:	academicJournal
ISSN:	0098-0331 (print)
DOI:	10.1007/s10886-005-3540-1
Schlagwort:	Animals Argentina Cyclohexane Monoterpenes Lamiaceae metabolism Menthol analysis Monoterpenes analysis Oils, Volatile chemistry Plant Leaves metabolism Plant Oils chemistry Insecta physiology Lamiaceae chemistry Oils, Volatile analysis Plant Leaves chemistry Plant Oils analysis
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article; Research Support, Non-U.S. Gov't Language: English [J Chem Ecol] 2005 Apr; Vol. 31 (4), pp. 719-27. MeSH Terms: Insecta / physiology ; Lamiaceae / chemistry ; Oils, Volatile / analysis ; Plant Leaves / chemistry ; Plant Oils / *analysis ; Animals ; Argentina ; Cyclohexane Monoterpenes ; Lamiaceae / metabolism ; Menthol / analysis ; Monoterpenes / analysis ; Oils, Volatile / chemistry ; Plant Leaves / metabolism ; Plant Oils / chemistry References: J Insect Physiol. 1997 Oct;43(10):885-895. (PMID: 12770458) ; Science. 1990 Nov 30;250(4985):1251-3. (PMID: 17829213) ; Plant Physiol. 1999 Oct;121(2):325-32. (PMID: 10517823) ; Plant Physiol. 2000 Jan;122(1):205-14. (PMID: 10631264) ; Phytochemistry. 2001 Jun;57(3):385-91. (PMID: 11393518) ; Plant Physiol. 1998 Nov;118(3):997-1004. (PMID: 9808744) ; J Agric Food Chem. 2002 Jul 3;50(14):4059-61. (PMID: 12083883) ; Novartis Found Symp. 1999;223:95-105; discussion 105-9, 160-5. (PMID: 10549550) ; J Ethnopharmacol. 2000 Sep;72 (1-2):185-9. (PMID: 10967471) ; J Agric Food Chem. 2001 Feb;49(2):715-20. (PMID: 11262018) ; J Ethnopharmacol. 1996 Jul 5;52(3):145-9. (PMID: 8771455) ; J Chem Ecol. 1994 Jun;20(6):1223-80. (PMID: 24242340) ; Plant Physiol. 1997 Aug;114(4):1161-1167. (PMID: 12223763) ; Pest Manag Sci. 2001 Jun;57(6):548-53. (PMID: 11407032) Substance Nomenclature: 0 (Cyclohexane Monoterpenes) ; 0 (Monoterpenes) ; 0 (Oils, Volatile) ; 0 (Plant Oils) ; 1490-04-6 (Menthol) ; 4LF2673R3G (pulegone) ; 9NH5J4V8FN (menthone) Entry Date(s): Date Created: 20050830 Date Completed: 20060103 Latest Revision: 20191210 Update Code: 20231215

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Effects of mechanical wounding on essential oil composition and emission of volatiles from Minthostachys mollis.