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Article
2024
Non-destructive near-infrared technology for efficient cannabinoid analysis in cannabis inflorescences
Non-destructive near-infrared technology for efficient cannabinoid analysis in cannabis inflorescences
Abstract (English)
In the evolving field of cannabis research, scholars are exploring innovative methods to quantify cannabinoids rapidly and non-destructively. This study evaluates the effectiveness of a hand-held near-infrared (NIR) device for quantifying total cannabidiol (total CBD), total delta-9-tetrahydrocannabinol (total THC), and total cannabigerol (total CBG) in whole cannabis inflorescences. Employing pre-processing techniques, including standard normal variate (SNV) and Savitzky–Golay (SG) smoothing, we aim to optimize the portable NIR technology for rapid and non-destructive cannabinoid analysis. A partial least-squares regression (PLSR) model was utilized to predict cannabinoid concentration based on NIR spectra. The results indicated that SNV pre-processing exhibited superior performance in predicting total CBD concentration, yielding the lowest root mean square error of prediction (RMSEP) of 2.228 and the highest coefficient of determination for prediction (R2P) of 0.792. The ratio of performance to deviation (RPD) for total CBD was highest (2.195) with SNV. In contrast, raw data exhibited the least accurate predictions for total THC, with an R2P of 0.812, an RPD of 2.306, and an RMSEP of 1.651. Notably, total CBG prediction showed unique characteristics, with raw data yielding the highest R2P of 0.806. SNV pre-processing emerges as a robust method for precise total CBD quantification, offering valuable insights into the optimization of a hand-held NIR device for the rapid and non-destructive analysis of cannabinoid in whole inflorescence samples. These findings contribute to ongoing efforts in developing portable and efficient technologies for cannabinoid analysis, addressing the increasing demand for quick and accurate assessment methods in cannabis cultivation, pharmaceuticals, and regulatory compliance.
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Plants, 13 (2024), 6.
https://doi.org/10.3390/plants13060833, 833.
ISSN: 2223-7747
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660 Chemical engineerin
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@article{Rafiq2024,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16099},
doi = {10.3390/plants13060833},
author = {Rafiq, Hamza and Hartung, Jens and Schober, Torsten et al.},
title = {Non-destructive near-infrared technology for efficient cannabinoid analysis in cannabis inflorescences},
journal = {Plants},
year = {2024},
volume = {13},
number = {6},
}