Volatile components were identified on the basis of gas chromatographic
retention indices, mass spectra from Wiley MS Chemstation Libraries (6th edition, G1034, Rev. C.00.00, Hewlette Packard) and the literature (Adams, 1995; Jennings & Shibamoto, 1980). Some components were further identified using authentic compounds, which were commercially available (SigmaeAldrich). The relative amount of each individual component of the essential oilwas expressed as the percentage of the peak area relative to total
peak area
Volatile components were identified on the basis of gas chromatographic
retention indices, mass spectra from Wiley MS Chemstation Libraries (6th edition, G1034, Rev. C.00.00, Hewlette Packard) and the literature (Adams, 1995; Jennings & Shibamoto, 1980). Some components were further identified using authentic compounds, which were commercially available (SigmaeAldrich). The relative amount of each individual component of the essential oilwas expressed as the percentage of the peak area relative to total
peak area
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