Chemical Composition and In Vitro Antioxidant, Cytotoxic, Antimicrobial, and Larvicidal Activities of the Essential Oil of Mentha piperita L. (Lamiaceae)

Table 1

Major constituents of the essential oils of M. piperita.

Number	tR (min)	KI	Components	Peak Area (%)
1	8.88	960	Thuja-2,4(10)-diene	0.3
2	9.08	967	Verbenene	2.6
3	9.96	979	β-Pinene	3.8
4	10.30	983	Mentha-2,8-diene	0.4
5	13.20	1177	β-Ocimene	0.4
6	16.12	1096	Linalool	51.8
7	18.31	1501	Epizonarene	0.6
8	18.50	1142	Epoxyocimene	19.3
9	19.07	1522	Sesquiphellandrene	9.4
10	19.30	1538	Cadinene	4.0
11	19.85	1561	Germacrene B	2.3
			Monoterpene hydrocarbons	7.5
			Oxygenated monoterpenes	71.1
			Sesquiterpene hydrocarbons	16.3
Total				94.9

tR: retention time; KI: Kovats Index [13].