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. 2019 Nov 8;24(22):4047. doi: 10.3390/molecules24224047

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Plot of Distillation Time (DT) vs. the concentrations of six constituents of R. graveolens fruit along with the fitted second-order polynomial and Exponential regression models. Adjusted R² is given only for the second-order polynomial model, which is linear. The fitted models are: $\hat{Y} = 0.15 - 0.02 D T + 0.0004 D T^{2}$ (2-undecanol), $\hat{Y} = 0.087 - 0.012 D T + 0.0003 D T^{2}$ (2-dodecanone), $\hat{Y} = 6.97 E x p (- 0.016 D T)$ (β-caryophyllene), $\hat{Y} = 1.79 E x p (- 0.025 D T)$ (methyl undecanoate), $\hat{Y} = 5.11 E x p (- 0.03 D T)$ (α-caryophyllene), $\hat{Y} = 6.34 E x p (- 0.026 D T)$ (caryophyllene oxide), and $\hat{Y} = 21.4 E x p (- 0.038 D T)$ (eucalyptol).