![]() ![]() ![]() ![]() The change in essential oil yield, and the concentrations of cineole, fenchol and linalool acetate as DT changes were modeled very well by the asymptotic nonlinear regression model. Results suggest that lavender essential oil yield may not increase after 60 min DT. The concentration of camphor (range 6.6-9.2%) reached a maximum at 7.5-15 min DT, while the concentration of linalool acetate (range 15-38%) reached a maximum at 30 min DT. The concentrations of cineole (range 6.4-35%) and fenchol (range 1.7-2.9%) were highest at the 1.5 min DT and decreased with increasing length of the DT. The essential oil yield (range 0.5-6.8%) reached a maximum at 60 min DT. Therefore, the following distillation times (DT) were tested in this experiment: 1.5 min, 3 min, 3.75 min, 7.5 min, 15 min, 30 min, 60 min, 90 min, 120 min, 150 min, 180 min, and 240 min. The objective of this study was to evaluate the effect of the length of the distillation time (DT) on lavender essential oil yield and composition when extracted from dried flowers. Commercial extraction of lavender oil is done using steam distillation. Lavender (Lavandula angustifolia Mill.) is one of the most widely grown essential oil crops in the world. Zheljazkov, Valtcho D Cantrell, Charles L Astatkie, Tess Jeliazkova, Ekaterina Distillation time effect on lavender essential oil yield and composition. ![]()
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