Prediction of chemical content in patchouli oil (Pogostemon cablin Benth) by portable NIR spectroscopy

1st International Conference on Mechanical Electronic and Biosystem Engineering

Windawati, Vrita^1 ; Purwanto, Y.A.^1^2 ; Budiastra, I Wayan^1 ; Widodo, Slamet^1 ; Kuroki, Shinichiro^3

Department of Mechanical and Biosystem Engineering, Bogor Agricultural University, Indonesia^1

Center of Tropical Horticulture Studies, Bogor Agricultural University, Indonesia^2

Graduate School of Agricultural Science, Kobe University, Japan^3

关键词: Calibration model;    Chemical content;    Different origins;    NIR spectrometer;    NIR spectroscopy;    Partial least square regression;    Patchouli alcohol;    Pogostemon cablin benth;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/557/1/012087/pdf
DOI  :  10.1088/1757-899X/557/1/012087

来源: IOP

【 摘 要 】

The objective of this study was to develop the calibration model for predicting the patchouli alcohol in patchouli oil by portable Near Infrared (NIR) spectroscopy. Patchouli oil samples were obtained from different origin in Indonesia. Portable NIR spectrometer with wavelength of 760-1050nm was used to collect the spectra of the patchouli oils. The calibration model was developed by partial least square regression (PLS). The best model for predicting patchouli alcohol content is y = 0.7209x + 8.2804 with r = 0.86, SEC = 2.04%, SEP = 2.16%, CV = 7.6, RPD = 1.8.