ESSENTIAL OILS AND THEIR CONSTITUENTS. XXV. 161 5X -- OIL of BOlS DE ROSE CAYENNE -- Authent,c _ o J o -- -- •c [ • OIL of 801S DE ROSE CAYENNE _ Adulterated i _ , - 2O 4 2O 4 uJ 8 2 4 6 8 I0 12 14 [6 lB 20 TiME (MINUTES) Figure 2. Gas chromatograms of oil of Bois de Rose Cayenne: A. Authentic B. Adulterated. Column: Reoplex 400 (10%) on Chromosorb W (acid-washed). Temp.: 150øC. Helium 75 nil./min. Sample volume: 2X
162 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS - cis-CARVEYL ACETATE '-UNKNOWN B Fioeure 3. Thin layer chromatogram of spearmint oils: a, spicata c. M. viridis. Sample volume: lX. Developing (10:•) :• CARVONE •:. - UNKNOWN A :•: - LI NALOOL cis-CARVEOL g,lentha cardiaca b. M. solvent: n-hexane-ether
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