Research Article

Extraction of Essential Oils of Rosmarinus officinalis L. by Two Different Methods: Hydrodistillation and Microwave Assisted Hydrodistillation

Table 2

Chemical composition of rosemary essential oils obtained by CH and MAH.

No.CompoundsKovat’s indexMAH (%) CH (%)

Monoterpene hydrocarbons35,8437,19
1α-Pinene93915,415,82
2Camphene9549,169,77
3β-Pinene9793,723,56
4α-Terpinene10172,492,44
5para-Cymene10254,154,79
6Limonene10280,920,81
Oxygenated monoterpenes63,0361,76
7Cineole103032,1831,2
8β-myrcene104843,75
9Linalool10971,371,49
10Camphor114616,216,54
11Borneol11691,641,47
12α-Terpineol11997,367,16
13Verbenone12050,280,15
Sesquiterpene hydrocarbons0,270,11
14β-Caryophyllene14190,120,08
15α-Caryophyllene14230,150,03
Other oxygenated compounds0,610,74
16Bornyl acetate12890,610,74
Total oxygenated compounds63,6462,5
Total nonoxygenated compounds36,1137,3
Total 99,7599,8