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13 March 2024 Phytochemical profiling of plants using optical spectroscopy
Valerie Teo, Mark Teo Ju Teng, Randall Ang Jie, Javier Tan Jingheng, Sally Koh Shuxian, Dinish U.S., Daisuke Urano, Malini Olivo
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Proceedings Volume PC12879, Photonic Technologies in Plant and Agricultural Science; PC1287901 (2024) https://doi.org/10.1117/12.3002161
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
The growing demand for innovative agricultural technologies drives our research on photonics-based solutions for non-destructive plant analysis. Our work introduces two techniques to overcome the limitations of conventional methods. The first part presents a portable VIS-NIR handheld spectrometer, showcasing strong correlations (0.84 and 0.77) for quantifying anthocyanin and chlorophyll content. In the second part, a customized fiber optic probe using ATR-FTIR enables measurements of plant parameters (water content, antioxidant activity, lignin, and cellulose). Statistical analysis of high-resolution spectra introduces the novel index NDMRI for effective phytochemical differentiation. These non-destructive, rapid, and objective methods promise to optimize agriculture and drive advancements in this field.
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Valerie Teo, Mark Teo Ju Teng, Randall Ang Jie, Javier Tan Jingheng, Sally Koh Shuxian, Dinish U.S., Daisuke Urano, and Malini Olivo "Phytochemical profiling of plants using optical spectroscopy", Proc. SPIE PC12879, Photonic Technologies in Plant and Agricultural Science, PC1287901 (13 March 2024); https://doi.org/10.1117/12.3002161
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KEYWORDS
Optical spectroscopy
Profiling
Nondestructive evaluation
Spectroscopy
Agriculture
Reflection
Reflectivity
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