Preprint Article Version 1 This version is not peer-reviewed

Rapid Determination of the Oil and Moisture Contents in Camellia Gauchowensis Chang and Camellia Semiserrata Chi Seeds Kernels by Near-Infrared Reflectance Spectroscopy

Version 1 : Received: 20 July 2018 / Approved: 23 July 2018 / Online: 23 July 2018 (21:12:39 CEST)

How to cite: Zhang, Y.; Zhang, L.; Wang, J.; Tang, X.; Wu, H.; Wang, M.; Zeng, W.; Mo, Q.; Li, Y.; Li, J.; Huang, Y.; Xu, B.; Zhang, M. Rapid Determination of the Oil and Moisture Contents in Camellia Gauchowensis Chang and Camellia Semiserrata Chi Seeds Kernels by Near-Infrared Reflectance Spectroscopy. Preprints 2018, 2018070433 (doi: 10.20944/preprints201807.0433.v1). Zhang, Y.; Zhang, L.; Wang, J.; Tang, X.; Wu, H.; Wang, M.; Zeng, W.; Mo, Q.; Li, Y.; Li, J.; Huang, Y.; Xu, B.; Zhang, M. Rapid Determination of the Oil and Moisture Contents in Camellia Gauchowensis Chang and Camellia Semiserrata Chi Seeds Kernels by Near-Infrared Reflectance Spectroscopy. Preprints 2018, 2018070433 (doi: 10.20944/preprints201807.0433.v1).

Abstract

A fast and effective determination method of different species of vegetable seeds oil is vital in the plant oil industry. The near-infrared reflectance spectroscopy (NIRS) method was developed in this study to massively analyze the oil and moisture contents of Camellia gauchowensis Chang and C. semiserrata Chi seeds kernels. In the prediction models of NIRS, the levels of accuracy obtained were sufficient for C. gauchowensis Chang and C. semiserrata Chi, the correlation coefficient of which oil were 0.983 and 0.962, respectively, while which of moisture were 0.937 and 0.907, respectively. The near infrared spectrum of crush seeds kernels was more precise compared to intact kernels. Based on the calibration models of the two Camellia species, the NIRS predictive oil contents of C. gauchowensis Chang and C. semiserrata Chi seeds kernels were 48.71 ± 8.94% and 31.71 ± 7.39%, respectively, and the NIRS predictive moisture contents were 4.39 ± 1.08% and 3.49 ± 0.71%, respectively. Compared with the traditional chemical measurement, the rapid, precise measurement of oil and moisture of C. gauchowensis Chang and C. semiserrata Chi seeds kernels can be actualized by NIRS method.

Subject Areas

Near infrared reflectance spectroscopy; Camellia seeds kernel; Oil content; Moisture content

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